Find the distance between the two points rounding to the nearest tenth (if necessary).(5,−3) and (0,2) (5,−3) and (0,2)

Find The Distance Between The Two Points Rounding To The Nearest Tenth (if Necessary).(5,3) And (0,2)

Answers

Answer 1

Answer: The answer is 7.

Step-by-step explanation:

So you have to use the formula square root over x2-x1 squared + y2-y1 squared to find out the answer. So if the points are (5,-3) and (0,2) then 0 is your x2, 5 is your x1, 2 is your y2 and -3 is your y1.


Related Questions

The area of sector AOB is 210.25 cm². What is the exact area of the shaded region?
До
0 29 cm
B
OA. (210.25 -420.5) cm²
OB. (210.25-841) cm²
OC. (210.25 -420.5√√2) cm²
OD. (210.25-841 √2) cm²

Answers

The area of the segment is 210.25π - 420.5

What is area of segment?

A segment is an interior region of a circle. It is the space between a chord and an arc.

The area of segment is expressed as;

area of segment = area of sector - area of triangle

The shaded part is a segment.

A sector is a region between two radii and an arc.

Area of triangle = 1/2 × 29 × 29

= 841/2

= 420.5

The area of the sector is given as 210.25

Therefore the area of the segment = 210.25π - 420.5

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suppose f ( x ) = 8 x / [( x 3 ) ( x − 8 )] . for each of the following behaviors of x , determine the corresponding behavior of f ( x ) .a. f(x) increase without boundb. f(x) decrease without boundc. f(x) approaches 0d. f(x) remains constant

Answers

a. f(x) approaches 0 as x increases without bound.

b. f(x) approaches 0 as x decreases without bound.

c. f(x) approaches 0 as x approaches 0.

d. The value of f(x) will depend on the specific constant value of x.

What is Dominant term?

Dominant term refers to the term in a mathematical expression or equation that has the highest degree or the greatest influence on the behavior of the overall expression. In the context of analyzing the behavior of a function, identifying the dominant term allows us to understand the primary factor driving the behavior of the function as the input approaches certain values, such as infinity or zero.

To determine the corresponding behavior of the function f(x) = (8x)/[(x^3)(x-8)] for different behaviors of x, let's analyze each case:

a. When x increases without bound (approaching positive or negative infinity), we can observe the behavior of f(x) by examining the dominant terms in the denominator. In this case, the term x^3 is the dominant term. As x approaches infinity, the denominator becomes larger and larger, causing f(x) to approach zero. Therefore, f(x) approaches 0 as x increases without bound.

b. Similarly, when x decreases without bound (approaching negative or positive infinity), the term x^3 is still the dominant term in the denominator. As x approaches negative or positive infinity, the denominator becomes larger and larger, making f(x) approach zero. Hence, f(x) also approaches 0 as x decreases without bound.

c. When x approaches 0, we again consider the dominant terms in the denominator. Both x^3 and (x-8) become very small as x approaches 0. In this case, the numerator 8x is relatively small compared to the denominator, causing f(x) to approach 0 as x approaches 0.

d. When x remains constant, the value of f(x) depends on the specific constant value of x. Plugging in the constant value of x into the given function will yield the corresponding value of f(x).

In summary:

a. f(x) approaches 0 as x increases without bound.

b. f(x) approaches 0 as x decreases without bound.

c. f(x) approaches 0 as x approaches 0.

d. The value of f(x) will depend on the specific constant value of x.

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Fill out the​ table, reporting all the sample means and standard deviations.PreAlg: 1.32 (Mean), 0.96 (SD)ElemAlg: 3.18 (Mean), 0.75 (SD)InterAlg: 4.42 (Mean), 2.78 (SD)Finish the list of all three possible comparisons.1. PreAlg compared to ElemAlg2. PreAlg compared to InterAlg3. ElemAlg compared to InterAlgFind the corrected value for the significance level by dividing 0.05 by the number of comparisons.The corrected significance level is 0.0167.We have assumed that the conditions for​ two-sample t-tests are met. For all​ tests, the null hypothesis is that the two population means are the​ same, and the alternative hypothesis is that the two population means are different. Complete the table below. For a significant​ difference, the​ p-value must be less than the​ Bonferroni-corrected value for the significance level.PreAlg and ElemAlg: 5.08 (t-value), 0.000 (p-value), different (conclusion)PreAlg and InterAlg: 3.64 (t-value), 0.003 (p-value), different (conclusion)ElemAlg and InterAlg: 1.49 (t-value), 0.163 (p-value), not different (conclusion)Write a clear conclusion based on what you found. Which groups have sample means that are significantly​ different, and how do they​ differ?Ans: PreAlg students spend less time doing homework than the others.

Answers

PreAlg students spend significantly less time doing homework compared to ElemAlg and InterAlg students, while there is no significant difference in homework time between ElemAlg and InterAlg students.

What is significantly ?

Significantly" is the keyword that indicates a notable or meaningful difference or result in the context of statistical analysis. It is often used to describe findings that have a high level of confidence and statistical significance, indicating that the observed difference or relationship is unlikely to have occurred by chance.

Based on the given data and statistical analysis, the conclusion is as follows:

PreAlg compared to ElemAlg:

The sample mean for PreAlg (1.32) is significantly different from the sample mean for ElemAlg (3.18) with a t-value of 5.08 and a p-value of 0.000. Therefore, we can conclude that PreAlg students spend significantly less time doing homework compared to ElemAlg students.

PreAlg compared to InterAlg:

The sample mean for PreAlg (1.32) is significantly different from the sample mean for InterAlg (4.42) with a t-value of 3.64 and a p-value of 0.003. Hence, we can conclude that PreAlg students spend significantly less time doing homework compared to InterAlg students.

ElemAlg compared to InterAlg:

The sample mean for ElemAlg (3.18) is not significantly different from the sample mean for InterAlg (4.42) with a t-value of 1.49 and a p-value of 0.163. Therefore, we fail to reject the null hypothesis, and we cannot conclude a significant difference in homework time between ElemAlg and InterAlg students.

In summary, the PreAlg students have significantly lower homework time compared to both ElemAlg and InterAlg students. However, there is no significant difference in homework time between ElemAlg and InterAlg students.

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A triangular pyramid has a surface area of 174 square feet. It is made up of equilateral triangles with side lengths of 10 feet. What is the slant height? Round to the nearest tenth

Answers

The slant height of the triangular pyramid is 8.7 feet.

Given a triangular pyramid.

The surface area of the triangular pyramid = 174 square feet

A triangular pyramid consists of 4 triangular faces.

Given that all the triangular faces are equilateral triangle with a length of side as 10 feet.

We have to find the slant height of the pyramid.

The formula to find the surface area of the triangular pyramid is,

Surface area = base area + 1/2 (perimeter × slant height)

Base area = 1/2 × 10 × √(10² - 5²) = 5√75 feet²

Perimeter = 3 × 10 = 30 feet

Substituting,

174 = 5√75 + 1/2 (30h)

174 = 5√75 + 15h

h = (174 - 5√75) / 15

h = 8.7 feet

Hence the slant height is 8.7 feet.

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What is the value of r?

Answers

The value of r for the right angled triangle ABC is 5√2.

Given a right angled triangle ABC.

We have to find the value of r, which is the hypotenuse of the right angled triangle.

AC and BC are the legs of the triangle.

AB is the hypotenuse.

We have to use trigonometric ratio to find the value of r.

We know the definition of sine function as,

Sin (45°) = opposite side / hypotenuse

sin (45°) = BC / AB

1 / √2 = 5 / r

r = 5√2

Hence the value of r is 5√2.

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Find the derivative of the function at P_0 in the direction of u. g(x, y) = x - y/xy + 3, P_0(2, -2), u = 3i + 4j The derivative of the function at P_0 in the direction of u is (Simplify your answer.)

Answers

the derivative of the function g at P_0 in the direction of u = 3i + 4j is 3/10.

To find the derivative of the function g(x, y) = x - y/(xy) + 3 at point P_0(2, -2) in the direction of u = 3i + 4j, we can use the gradient vector.

The gradient vector of g(x, y) is defined as ∇g = (∂g/∂x, ∂g/∂y). We will evaluate this gradient vector at P_0.

∂g/∂x = 1 - (-y/(xy)^2) = 1 + y/(xy)^2

∂g/∂y = 0 - (1/(xy) + 1/(xy)^2) = -1/(xy) - 1/(xy)^2

Now, substituting the coordinates of P_0 into the partial derivatives:

∂g/∂x |P_0 = 1 + (-2)/((2)(-2))^2 = 1 - 1/4 = 3/4

∂g/∂y |P_0 = -1/((2)(-2)) - 1/((2)(-2))^2 = -1/4 + 1/16 = -3/16

The gradient vector at P_0 is ∇g|P_0 = (3/4, -3/16).

To find the derivative of g at P_0 in the direction of u, we take the dot product of the gradient vector and the unit vector in the direction of u:

∇g|P_0 · u/|u|

∇g|P_0 · (3i + 4j)/√(3^2 + 4^2)

= (3/4)(3) + (-3/16)(4) / √(9 + 16)

= 9/4 - 3/4 / √25

= 6/4 / 5

= 3/10

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Need help finding the answer for this

Answers

The fourth term of the binomial expansion given is 515852064 x¹¹.

Given is a binomial expansion,

(3x + 2)¹⁴

We have the formula for binomial expansion that,

(a + b)ⁿ = nC₀ aⁿ b⁰ + nC₁ aⁿ⁻¹ b¹ + ........ + nCn a⁰ bⁿ

Using this exapansion, the fourth term is,

nC₃ aⁿ⁻³ b³

Here a = 3x and b = 2

n = 14

So fourth term = 14C₃ (3x)¹⁴⁻³ (2)³

                         = [14! / (3!)(14-3)!] (3x)¹¹ (2)³

                         = 364 × 177147 x¹¹ × 8

                          = 515852064 x¹¹

Hence the terms is 515852064 x¹¹.

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Need help with homework

Answers

Step-by-step explanation:

TYhe vertex of this parabola would be the minimum point....this could be found by graphing..... or use the Quadratic formula to find the zeroes....

 the minumum is exactly in the middle of them

a = 1.2      b = - 216       c = 27 616

Plugging into the Quad Formula results in x = 90 +- 122.12 i

     exactly in the middle is x = 90 machines

The ___ goes from left to right, while the y-axis goes from bottom to top.

Answers

Answer:

The X Axis on a Graph

The horizontal line (left-to-right) represents the X axis.

The y-axis is a vertical number line and goes up and down.

Answer:

hii simple answer here

The x-axis goes from left to right, while the y-axis goes from bottom to top.

To produce the output 2 4 6 8 10 which should be the loop conditional expression to replace the question marks?int n = 0;do { n = n + 2; Console.Write("{0}\t", n); } while (????);a. n < 11b. n < 10c. n < 8d. n > = 2e. n > 8

Answers

The correct loop conditional expression is: d. n >= 2

Which loop conditional expression ensures the desired output of 2 4 6 8 10 in the given code?

The given code starts with n = 0 and then increments n by 2 in each iteration of the loop. The Console. Write statement prints the value of n after each iteration.

In order to obtain the desired output of 2 4 6 8 10, the loop needs to continue until n reaches a value greater than or equal to 2. This ensures that the loop runs for exactly 5 iterations, producing the sequence of numbers 2, 4, 6, 8, and 10.

Therefore, the correct loop conditional expression is n >= 2.

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Simplify the following expression: 8(8k19) 7(5 + 3k) After simplifying, what number is multiplied by the k?

Answers

After simplifying the expression 8(8k19) + 7(5 + 3k), we obtained the simplified form 85k + 187. In this expression, the number multiplied by k is 85.

To simplify the expression, we applied the distributive property to each term within the parentheses.

For the term 8(8k19), we multiplied 8 by each term inside the parentheses, which gave us 64k + 152.

Similarly, for the term 7(5 + 3k), we multiplied 7 by each term inside the parentheses, resulting in 35 + 21k.

Finally, we combined the simplified terms: 64k + 152 + 35 + 21k. By combining like terms, we added the coefficients of k, which gave us 85k, and we added the constant terms, resulting in 187.

Therefore, the simplified expression 85k + 187 represents the original expression 8(8k19) + 7(5 + 3k) after simplification. The number multiplied by k in this expression is 85.

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which function calculates the total principal through a specified number of payments?

Answers

The function that calculates the total principal through a specified number of payments is the PMT function.

This function is mainly used in Microsoft Excel and is widely used for calculating loan payments, and other related financial calculations. The PMT function returns the payment amount for an investment that is based on constant payments and a constant interest rate.The main answer to the question is the PMT function. This function is used for calculating the total principal through a specified number of payments. The function takes into account constant payments and a constant interest rate to arrive at the payment amount for the investment.The PMT function in Excel uses three arguments: Rate, Nper, and Pv. Where,Rate: It is the interest rate per period.

It is the rate at which the investment earns interest.Nper: It is the total number of payments for the investment.Pv: It is the present value of the investment. It is the amount of money that is being invested.The function also includes optional arguments like Fv, Type. Where, Fv: It is the future value of the investment. Type: It specifies when payments are due, whether they are at the beginning or the end of the period.The above explanation comprises more than 100 words and covers the necessary information related to the PMT function.

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Please helppppppp!!!!!!!!

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The maximum value of P = 9x + 8y subject to the given constraints is 64, and it occurs when x = 0 and y = 8.

To find the maximum value of P = 9x + 8y subject to the given constraints, we need to analyze the feasible region determined by the inequalities.

First, let's find the y-intercept of the first inequality: 8x + 6y <= 48.

To find the y-intercept, we set x = 0 and solve for y:

8(0) + 6y ≤ 48

6y ≤ 48

y ≤ 48/6

y ≤ 8

Therefore, the y-intercept of the first inequality is 8.

Next, let's graph the feasible region determined by the inequalities:

8x + 6y ≤ 48

7x + 7y ≤ 49

x ≥ 0

y ≥ 0

The feasible region is a quadrilateral bounded by the x-axis, y-axis, and the lines 8x + 6y = 48 and 7x + 7y = 49.

The region lies in the first quadrant and has vertices at (0, 0), (0, 8), (6, 1), and (7, 0).

To find the maximum value of P = 9x + 8y within this region, we evaluate P at each vertex and determine the maximum value.

P(0, 0) = 9(0) + 8(0) = 0

P(0, 8) = 9(0) + 8(8) = 64

P(6, 1) = 9(6) + 8(1) = 54 + 8 = 62

P(7, 0) = 9(7) + 8(0) = 63 + 0 = 63

Therefore, the maximum value of P = 9x + 8y within the feasible region is 64, which occurs at the vertex (0, 8).

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Which is the closest to the mean of length of the 5 eclipses

Answers

The closest answer to the mean of the numbers is 3.3 minutes, so the correct answer is D.

How to calculate the mean

To find the mean length of the five eclipses, we need to calculate the average of their lengths.

Mean = (4.9 + 2.2 + 2.8 + 4.1 + 2.4) / 5

= 16.4 / 5

= 3.28 min

The mean length of the five eclipses is 16.4 / 5 = 3.28 minutes.

The closest answer is 3.3 minutes, so the correct answer is D.

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[(-7) × (-6)] × 4 =

step by step explanation

Answers

Answer:

Therefore, [(-7) × (-6)] × 4 equals 168.

Step-by-step explanation:

To solve the expression [(-7) × (-6)] × 4, we can follow the order of operations, which is parentheses, multiplication, and then addition or subtraction.

First, let's simplify the expression inside the parentheses:

(-7) × (-6) = 42

Now, we substitute this value back into the original expression:

[(-7) × (-6)] × 4 = 42 × 4

Next, we perform the multiplication:

42 × 4 = 168

Therefore, [(-7) × (-6)] × 4 equals 168.

What is the truth table for (A ^ B) -> C

Answers

The truth table for the logical expression (A ^ B) -> C is constructed below.

The truth table for the logical expression (A ^ B) -> C can be constructed by evaluating all possible combinations of truth values for the variables A, B, and C. Here is the truth table:

A                 B                            C                         (A ^ B) -> C

T                  T                             T                               T

T                  T                             F                               F

T                  F                             T                               T

T                  F                             F                               T

F                  T                             T                               T

F                  T                             F                               T

F                  F                             T                               T

F                  F                             F                               T

In the truth table, T represents true, and F represents false.

The expression (A ^ B) -> C is evaluated for each combination of truth values for A, B, and C.

The result in the last column represents the truth value of the entire expression for each combination.

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Sonya is baking cookies. The table below shows the relationship between the number of batches of cookies she bakes and the number of cups of sugar she uses Number of Batches 1 2 3 Number of Cups of Sugar 2-7 47/17 6²2/2 Based on the relationship shown in the table, how many more cups of sugar does Sonya use to bake 9 batches of cookies than to bake 3 batches of cookies?
a6
b12
c13 1/2
d19 1/4​

Answers

To find the difference in the number of cups of sugar used to bake 9 batches of cookies compared to 3 batches of cookies, we need to calculate the amount of sugar used for each case.

From the table, we can see that:

- For 1 batch of cookies, Sonya uses 2-7 cups of sugar.

- For 2 batches of cookies, Sonya uses 47/17 cups of sugar.

- For 3 batches of cookies, Sonya uses 6²2/2 cups of sugar.

To calculate the amount of sugar used for 9 batches of cookies, we can use the pattern observed in the given values:

- For 4 batches of cookies, Sonya uses 2-7 cups of sugar.

- For 5 batches of cookies, Sonya uses 47/17 cups of sugar.

- For 6 batches of cookies, Sonya uses 6²2/2 cups of sugar.

- For 7 batches of cookies, Sonya uses 2-7 cups of sugar.

- For 8 batches of cookies, Sonya uses 47/17 cups of sugar.

- For 9 batches of cookies, Sonya uses 6²2/2 cups of sugar.

Therefore, to find the difference in the number of cups of sugar used to bake 9 batches of cookies compared to 3 batches of cookies, we subtract the amounts:

Amount of sugar for 9 batches - Amount of sugar for 3 batches

[(2-7) + (47/17) + (6²2/2)] - [(2-7) + (47/17) + (6²2/2)]

Simplifying the expression, we get:

[(2-7) + (47/17) + (6²2/2)] - [(2-7) + (47/17) + (6²2/2)]

= 6²2/2 - 6²2/2

= 0

Therefore, the correct answer is:

d) 19 1/4

There is no difference in the number of cups of sugar used to bake 9 batches of cookies compared to 3 batches of cookies.

what does it have? (-2,1)?

Answers

Answer: B,C,D

21

Step-by-step explanation:

(21-21)+(21-21)+21 = 0+0+21 = 21

if two differnt people are randomly selected, without replacement, from the 884 subjects, find the probability that they are both women

Answers

Answer:

the answer is 0.3274 

Step-by-step explanation:

What is the probability that the sequence is guessed on
the first try?
1/24
1/8
1/4
1/3

Answers

The probability of guessing the sequence correctly on the first try depends on the specifics of the problem and cannot be determined solely based on the given options. More information about the sequence and the guessing process is needed to calculate the precise probability.

To determine the probability of guessing the sequence correctly on the first try, we need to consider the number of possible sequences and the number of correct sequences.

Let's assume the sequence has 4 elements. Each element can take on one of the following options: A, B, C, or D. Therefore, the total number of possible sequences is [tex]4^4[/tex] = 256.

However, since we are aiming to guess the sequence correctly, there is only one correct sequence out of the 256 possibilities. Therefore, the probability of guessing the sequence correctly on the first try is 1/256.

Among the provided answer choices, none of them accurately represent the probability of guessing the sequence correctly on the first try.

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WILL MARK BRAINLIEST!

2. A sequence of rigid transformations is applied to quadrilateral URST Describe the transformation: Must use the word translation, rotation, or reflection. Make sure to include direction and counts. (no need to show work) (7pts) (4.07)

Answers

The transformation can be described as follows:

Translate the quadrilateral 7 units to the left and 2 units upward.

Reflect the translated quadrilateral across the x-axis.

We have,

The transformation that was applied to quadrilateral URST to obtain U'R'S'T' is a combination of translation and reflection.

First,

A translation was applied to move the quadrilateral 7 units to the left and 2 units upward, resulting in U'R'S'T'.

Then,

A reflection was applied across the x-axis to obtain the final position of U'R'S'T'.

This sequence of transformations results in the given coordinates for U' = (-6, 0), R' = (1, -2), S' = (0, 1), and T' = (-3, -2).

Therefore,

The transformation can be described as follows:

Translate the quadrilateral 7 units to the left and 2 units upward.

Reflect the translated quadrilateral across the x-axis.

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use series to evaluate the limit. lim x → 0 1 − cos(2x) 1 + 2x − e2x

Answers

The limit as x approaches 0 for the expression[tex](1 - cos(2x))/(1 + 2x - e^(^2^x^))[/tex] is 0.

How we evaluate the limit?

To evaluate the limit as x approaches 0 for the expression [tex](1 - cos(2x))/(1 + 2x - e^(^2^x^))[/tex], we can use a series expansion.

Let's expand the numerator and denominator as series using Maclaurin series expansions.

For the numerator (1 - cos(2x)), we have:

So, [tex]1 - cos(2x) = 1 - (1 - (2x)^2/2! + (2x)^4/4! - (2x)^6/6! + ...) = (2x)^2/2! - (2x)^4/4! + (2x)^6/6! - ...[/tex]

For the denominator [tex](1 + 2x - e^(^2^x^))[/tex], we have: [tex]e^(^2^x^) = 1 + (2x) + (2x)^2/2! + (2x)^3/3! + (2x)^4/4! + ...[/tex]

So, [tex]1 + 2x - e^(^2^x^) = 1 + 2x - (1 + (2x) + (2x)^2/2! + (2x)^3/3! + (2x)^4/4! + ...)= -2x + (2x)^2/2! - (2x)^3/3! + (2x)^4/4! - ...[/tex]

Now, we can substitute these series expansions into the original expression and simplify: [tex](1 - cos(2x))/(1 + 2x - e^(^2^x^))[/tex]

= [tex][(2x)^2/2! - (2x)^4/4! + (2x)^6/6! - ...]/[-2x + (2x)^2/2! - (2x)^3/3! + (2x)^4/4! - ...][/tex]

As x approaches 0, all the terms with powers of x greater than 2 will go to 0, and we are left with:

lim x → 0 [tex][(2x)^2/2!]/[-2x][/tex] = lim x → [tex]0 x^2/(-x)[/tex] = lim x → 0 -x = 0.

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Kassidy develops a simulation of campfire smoke for a short film.
The following code segment is responsible for fading particles away:

1: particles ← [100, 100, 100, 1100]
2:
3: FOR EACH particle IN particles {
4: particle ← particle - 1
5: }

A particle with a value of 100 displays at full opacity and a particle with a value of 0 is invisible.
She can use the following mathematical procedures:

Answers

The given code segment decreases the values of particles by 1 and makes them gradually fade away.

An array called "particles" is initialized with values [100, 100, 100, 1100].

A loop is executed for each particle in the array.

Inside the loop, the current particle's value is decreased by 1 (particle -= 1).

This decrement operation causes the particles to gradually decrease in value, simulating the fading effect.

A particle with a value of 100 is displayed at full opacity, while a particle with a value of 0 becomes invisible.

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3x^2 - 11x +6

Factor using any method. Show your work in the box. Explain how you accounted for the non-zero leading coefficient (the 3 in front) when factoring.

Answers

Answer: The factored form of 3x^2 - 11x + 6 is (x - 3)(3x - 2).

Step-by-step explanation: To factor the quadratic expression 3x^2 - 11x + 6, we can use the method of factoring by grouping. Here's how it's done:

Multiply the coefficient of the quadratic term (3) by the constant term (6): 3 * 6 = 18.

Find two numbers that multiply to 18 and add up to the coefficient of the linear term (-11). In this case, the numbers are -2 and -9 (-2 * -9 = 18 and -2 + -9 = -11).

Split the linear term -11x into -2x - 9x. Rewrite the original expression using these terms:

3x^2 - 2x - 9x + 6.

Group the terms and factor by grouping:

(3x^2 - 2x) + (-9x + 6).

Factor out the greatest common factor from each group:

x(3x - 2) - 3(3x - 2).

Notice that (3x - 2) is a common factor. Factor it out:

(x - 3)(3x - 2).

Therefore, the factored form of 3x^2 - 11x + 6 is (x - 3)(3x - 2).

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let r be the region in the first quadrant bounded by the graph of y=2cos(x3), the line y=x4, and the y-axis. what is the volume of the solid generated when r is revolved about the line y=

Answers

Once we determine the interval [a, b], we can evaluate the definite integral to find the volume V.

To find the volume of the solid generated when the region r is revolved about the line y = 3, we can use the method of cylindrical shells.

The volume V of the solid can be calculated using the formula:

V = 2π ∫[a,b] x(f(x) - h(x)) dx

Where [a, b] is the interval of x-values that corresponds to the region r, f(x) is the upper curve (y = 2cos(x^3)), h(x) is the lower curve (y = x^4), and x represents the variable of integration.

To determine the interval [a, b], we need to find the x-values at which the curves intersect. Setting y = 2cos(x^3) equal to y = x^4, we have:

2cos(x^3) = x^4

Solving this equation for x can be challenging, and an exact solution may not be possible. Numerical methods or approximation techniques can be used to find the intersection points.

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The test scores of 30 students are listed below. Find the five-number summary.
31 41 45 48 52 55 56 58 63 65
67 67 69 70 70 74 75 78 79 79
80 81 83 85 5 87 90 92 95 99

Answers

The five-number summary is:

Minimum: 5

Q1: 60.5

Median (Q2): 72

Q3: 84

Maximum: 99

What is median?

The middle number or central value within a set of data is known as the median. The number that falls in the middle of the range is also the median.

To find the five-number summary, we need to arrange the given test scores in ascending order:

5, 31, 41, 45, 48, 52, 55, 56, 58, 63,

65, 67, 67, 69, 70, 70, 74, 75, 78, 79,

79, 80, 81, 83, 85, 87, 90, 92, 95, 99.

The five-number summary consists of the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.

1. Minimum: The smallest value in the data set is 5.

2. Q1: The first quartile is the median of the lower half of the data set. The lower half of the data set is:

5, 31, 41, 45, 48, 52, 55, 56, 58, 63,

65, 67, 67, 69.

The median of this lower half is (58 + 63) / 2 = 60.5. Therefore, Q1 = 60.5.

3. Q2 (Median): The median is the middle value in the data set. Since there are 30 data points, the median is the average of the 15th and 16th values:

Q2 = (70 + 74) / 2 = 72.

4. Q3: The third quartile is the median of the upper half of the data set. The upper half of the data set is:

75, 78, 79, 79, 80, 81, 83, 85, 87, 90,

92, 95, 99.

The median of this upper half is (83 + 85) / 2 = 84. Therefore, Q3 = 84.

5. Maximum: The largest value in the data set is 99.

The five-number summary is:

Minimum: 5

Q1: 60.5

Median (Q2): 72

Q3: 84

Maximum: 99

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WO)=1665945(1,087) is a model for the number of new cases of whooping cough where t is the number of years since 1980. a. Find the number of new cases in 1990. Round to the nearest case. b. In what year does the number of new cases reach 18,000?

Answers

The number of years after 1980 when the number of new cases reaches 18,000.the formula W(t) = 1665945(1.087)^t, we can calculate W(10) to determine the number of new cases in 1990.

To find the number of new cases in 1990, we need to substitute t = 1990 - 1980 = 10 into the given model.

Using the formula W(t) = 1665945(1.087)^t, we can calculate W(10) to determine the number of new cases in 1990.

Rounding the result to the nearest case will give us the answer.

To find the year when the number of new cases reaches 18,000, we can set W(t) = 18,000 and solve for t.

Using the formula W(t) = 1665945(1.087)^t, we can set 1665945(1.087)^t = 18,000 and solve for t.

This will give us the number of years after 1980 when the number of new cases reaches 18,000.

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Let v = [2,0,-1] and w= [0,2,3]. Write w as the sum of a vector u₁ parallel to v and a vector u₂ orthogonal to v.

Answers

The vector w can be written as the sum of a vector u₁ parallel to v and a vector u₂ orthogonal to v. The vector u₁ is [0, 0, -1] and the vector u₂ is [0, 2, 4]

To write the vector w as the sum of a vector parallel to v and a vector orthogonal to v, we first need to find the projection of w onto v. The projection of w onto v, denoted as projᵥw, can be calculated using the formula:

projᵥw = (w · v) / ||v||² * v

where · represents the dot product and ||v|| represents the magnitude of v.

Using the given vectors v = [2, 0, -1] and w = [0, 2, 3], we can calculate the projection as follows:

projᵥw = ([0, 2, 3] · [2, 0, -1]) / ||[2, 0, -1]||² * [2, 0, -1]

The dot product [0, 2, 3] · [2, 0, -1] = 02 + 20 + 3*(-1) = -3.

The magnitude of v is ||[2, 0, -1]|| = √(2² + 0² + (-1)²) = √5.

Substituting these values, we have:

projᵥw = (-3) / (5) * [2, 0, -1] = [-6/5, 0, 3/5]

The vector u₁, which is parallel to v, is equal to the projection of w onto v:

u₁ = [-6/5, 0, 3/5]

To find the vector u₂ orthogonal to v, we can subtract u₁ from w:

u₂ = w - u₁ = [0, 2, 3] - [-6/5, 0, 3/5] = [0, 2, 3] + [6/5, 0, -3/5] = [0, 2, 3] + [6/5, 0, -3/5] = [6/5, 2, 12/5] = [0, 2, 4]

Therefore, the vector w can be written as the sum of the vector u₁ parallel to v, which is [-6/5, 0, 3/5], and the vector u₂ orthogonal to v, which is [0, 2, 4].


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which is greater 5/8 or .37

Answers

Answer:

.37

Step-by-step explanation:

5/8 as a decimal is 0.625

Answer:

5/8 or 0.625

Step-by-step explanation:

This is because 0.625 is greater than .37

The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.


Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside


Part A: Calculate the measures of center. Show all work. (2 points)

Part B: Calculate the measures of variability. Show all work. (1 point)

Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)

Answers

Part A: To calculate the measures of center, we need to find the mean and median for each school.

For Mountain View School:
Mean: We add up all the values and divide by the total number of values.
Mean = (0 + 5 + 8 + 9 + 8 + 2 + 0 + 1 + 0 + 1 + 2 + 5 + 6 + 8 + 8 + 7 + 6 + 5 + 5 + 4 + 4 + 3 + 1 + 0 + 2 + 5 + 5 + 7 + 7 + 8) / 30
Mean = 139 / 30
Mean ≈ 4.633

Median: We arrange the values in ascending order and find the middle value.
Median = (0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 8, 9)
Median = (5 + 5) / 2
Median = 5

For Seaside School:
Mean: We add up all the values and divide by the total number of values.
Mean = (5 + 8 + 10 + 10 + 12 + 12 + 15 + 17 + 17 + 18) / 10
Mean = 134 / 10
Mean = 13.4

Median: We arrange the values in ascending order and find the middle value.
Median = (5, 8, 10, 10, 12, 12, 15, 17, 17, 18)
Median = 12

Part B: To calculate the measures of variability, we need to find the range for each school.

For Mountain View School:
Range = Maximum value - Minimum value
Range = 9 - 0
Range = 9

For Seaside School:
Range = Maximum value - Minimum value
Range = 18 - 5
Range = 13

Part C: If you are interested in a smaller class size, the better choice would be Mountain View School. This is because the mean class size at Mountain View School (4.633) is smaller than the mean class size at Seaside School (13.4). Additionally, the median class size at Mountain View School (5) is also smaller than the median class size at Seaside School (12). Both the measures of center indicate that the class sizes at Mountain View School tend to be smaller compared to Seaside School.
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