PLSSSS HELP DUE TMR !!!!!

Answer:

[tex]x=[/tex] ±[tex]\sqrt{10wy} - t[/tex]

Step-by-step explanation:

[tex](x+t)^2=10wy[/tex]

[tex]x+t=[/tex] ±[tex]\sqrt{10wy}[/tex]

[tex]x=[/tex] ±[tex]\sqrt{10wy} - t[/tex]

Answer:

This is a linear equation.

Graph the points (-10, -2), (0, 0), and (10, 2). Then draw a line through all three points.

Answer:

40.8°

Step-by-step explanation:

SohCahToa

use tan

tan^-1(19/22)

=40.81508387

=40.8

Answer:

Step-by-step explanation:

Here,

Opposite side is 19

Adjacent side is 22

To find : The value of Angle A, that is X°.

Formula

Tan X° = Opposite side/Adjacent side

Tan X° = 19/22 = 0.863 ( approximately )

X° = Tan inverse (0.863)

X° = 40.79° ~ 40.8°

Rounding off this to nearest tenth is 41°.

Hence,

X° = 41°

That is,

Angle A is 45°.

To form a suitable quadratic equation using the values from the table given in the question also  considering the event of forming a equation that represents f(x) is Option A.
In order to find the equation that is  represented by f(x), we have to implement the standard form of a quadratic function
f(x) = ax² + bx + c
here a, b and c = constants.
We can utilize the given table of values to evaluate these constants.

Now, we have to  place each x value into f(x) to get the concerning y value. Then we can utilize these points to create three equations with three undetermined (a, b and c).
Evaluating these equations will give us the values of a, b and c.

Now, the table of values given in the question is

f(-2) = 48 = 4a - 4b + c
f(-1) = 50 = a - b + c
f(0) = 48 = c
f(1) = 42 = a + b + c
f(2) = 32 = 4a + 4b + c
f(3) = 18 = 9a + 3b + c
f(4) = 0 = 16a + 4b + c


Calculating these equations

a = -2
b = -4
c = 48

Hence, the equation that represents f(x) is f(x) = -2x² - 4x + 48.

The correct option for the given question after considering the given conditions is Option A.

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The complete question is
The table of values forms a quadratic function f(x). X f(x)−2 48
f(−1) = 50
f(0) = 48
f(1) = 42
f(2) = 32
f(3) = 18
f(4) = 0

What is the equation that represents f(x)?
a) f(x) = –2x² – 4x + 48
b) f(x) = 2x² + 4x – 48
c) f(x) = x² + 2x – 24
d) f(x) = –x² – 2x + 24

Answer:

p < -2

Step-by-step explanation:

Answer:

The answer is -2

Step-by-step explanation:

4/5-1/2p>9/5

C.L.T

-1/2p>9/5-4/5

-1/2p>5/5

-1/2p=1

-p/2>1

-p=2

p= -2

This data would be considered "paired" data.

The population of ferrets from which our sample was drawn, represented as μd, where μd = μend - μstart, and μ represents the population mean.

       We are dealing with "paired" data since we are comparing the weights of the same ferrets at two different points in time.

      The parameter we are trying to estimate is the mean difference in weight between the start and end of the study for the population of ferrets from which our sample was drawn.

This mean difference in weight can be represented as μd, where μd = μend - μstart, and μ represents the population mean. To estimate this parameter, we would need to calculate the difference in weight for each ferret and then take the average of these differences. This estimate would then provide us with an understanding of how much, on average, the ferrets in the population have gained or lost weight over the course of the study.  

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Exponential smoothing uses a weighted average of past time-series values to forecast the value of the time series in the next period.

Exponential smoothing is a forecasting method that assigns exponentially decreasing weights to past observations. The weights decrease exponentially as the observations get older, giving more weight to recent observations and less weight to older observations.

The formula for exponential smoothing is as follows:

F(t+1) = α * Y(t) + (1-α) * F(t)

where F(t+1) is the forecasted value for the next period, Y(t) is the actual value for the current period, F(t) is the forecasted value for the current period, and α is the smoothing parameter (0 < α < 1) that determines the weight given to the current observation.

Exponential smoothing is simple and easy to use, and it can provide accurate forecasts when the time series is relatively stable and does not have a trend or seasonality. However, it may not perform well when the time series has a trend or seasonality, in which case other methods such as moving average, weighted moving average, or regression may be more appropriate.

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Complete Question:

What uses a weighted average of past time-series values to forecast the value of the time series in the next period?

a. moving average

b. exponential smoothing

c. weighted moving average

d. regression

the fraction that rounds to 5 is option B, 5 1/2.

What is a fraction?

If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.

Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.

To round a fraction to 5, we need to find the fraction that is closest to 5. Therefore, we need to look at the fractional parts of each option and find which one is closest to 1/2.

A. 5 2/3 = 17/3, which is closer to 6 than to 5.

B. 5 1/2 = 11/2, which is exactly halfway between 5 and 6, so it rounds to 5.

C. 5 9/20 = 259/20, which is closer to 6 than to 5.

D. 4 9/20 = 209/50, which is closer to 4 than to 5.

Therefore, the fraction that rounds to 5 is option B, 5 1/2.

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The average value of the function f(x,y) = sin(x+y) over the rectangle 0 ≤ x ≤ π/3, 0 ≤ y ≤ 5π/3 is -27√(3) / (40π^2).

To find the average value of the function ​f(x,y)=sin(x+y) over the given rectangle, we need to integrate the function over the rectangle and then divide by the area of the rectangle.

So, we have:

average value of f(x,y) = (1/Area of rectangle) × double integral of f(x,y) over the rectangle

where the limits of integration are

0 ≤ x ≤ π/3

0 ≤ y ≤ 5π/3

The area of the rectangle is

Area = (π/3 - 0) × (5π/3 - 0) = 5π^2 / 9

Now, we can integrate the function f(x,y) over the rectangle

double integral of f(x,y) over the rectangle = integral from 0 to π/3 of integral from 0 to 5π/3 of sin(x+y) dy dx

= [tex]\int\limits^{\pi /3}_0[/tex] [-cos(x+y)] evaluated from y=0 to y=5π/3 dx

= [tex]\int\limits^{\pi /3}_0[/tex] [-cos(x+5π/3) + cos(x)] dx

= [tex]\int\limits^{\pi /3}_0[/tex]  [-1/2cos(x) - 1/2cos(x+π/3)] dx

= [-1/2sin(x) - 1/4sin(x+π/3)] evaluated from x=0 to x=π/3

= [-1/2sin(π/3) - 1/4sin(2π/3)] - [-1/2sin(0) - 1/4sin(π/3)]

= (-√(3)/4) - (1/4 × √(3)/2) = -3sqrt(3)/8

Therefore, the average value of f(x,y) over the rectangle is

average value of f(x,y) = (1/Area of rectangle) × double integral of f(x,y) over the rectangle

= (-3sqrt(3)/8) / (5π^2 / 9)

= -27sqrt(3) / (40π^2)

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The given question is incomplete, the complete question is:

Find the average value of ​f(x,y)=sin(x+y) over the rectangle 0≤x≤π/3​, 0≤y≤5π/3.

1. x = 4.7 for f(x) and x = 25 for g(x), f(x) reaches 50 first.

2. x = 9.7 for f(x) and x = 50 for g(x), f(x) reaches 100 first.

1. Which function reaches 50 first?

To answer this, we need to solve for x in each function when the output is 50:

For f(x): 50 = 10x + 3

47 = 10x

x = 4.7

For g(x): 50 = 2x

x = 25

Since x = 4.7 for f(x) and x = 25 for g(x), f(x) reaches 50 first.

2. Which function reaches 100 first?

Similarly, we'll solve for x in each function when the output is 100:

For f(x): 100 = 10x + 3

97 = 10x

x = 9.7

For g(x): 100 = 2x
x = 50

Since x = 9.7 for f(x) and x = 50 for g(x), f(x) reaches 100 first.

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The triangle with side lengths 11, 12, and 13 is not a right triangle

We can use the Pythagorean theorem to determine whether the given triangle is a right triangle.

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

That is, for a right triangle with sides of lengths a, b, and c (where c is the hypotenuse), we have:

a^2 + b^2 = c^2

Let's apply this to the given triangle with side lengths 11, 12, and 13. We need to check whether 13 is the hypotenuse (the longest side) and whether 11 and 12 are the other two sides:

11^2 + 12^2 = 121 + 144 = 265

13^2 = 169

Since 169 is not equal to 265, we can see that the Pythagorean theorem does not hold for this triangle. Therefore, the given triangle is not a right triangle.

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Since we know that the distance between the origin and A' should be d, which is 7/3 times the distance between the origin and A.

Therefore, the correct answer is D.

What is Pentagon?

A pentagon is a geometric shape that has five sides and five angles. It is a two-dimensional polygon, which means it is a flat shape with straight sides.

To find the coordinates of the dilated pentagon A'B'C'D'E', we need to multiply the coordinates of each vertex of pentagon ABCDE by the scale factor. Since the origin is the center of dilation, we can use the formula:

(x', y') = k(x, y)

where (x, y) are the original coordinates of a vertex, k is the scale factor, and (x', y') are the new coordinates of the corresponding vertex.

To find the scale factor, we can use the distance formula to find the distance between the origin and any one of the vertices. Let's use vertex A for convenience:

Distance OA = sqrt((-1-0)² + (1-0)²) = sqrt(2)

Distance OA' = k * Distance OA

We want to find the scale factor that will result in a dilation centered at the origin, so we want OA' to be the desired distance between the origin and A'. Let's say that distance is d. Then:

d = k * sqrt(2)

Solving for k, we get:

k = d / sqrt(2)

We are not given the desired distance between the origin and A', so we cannot determine the exact value of k. However, we can still determine which answer choice represents the correct dilation.

Let's try answer choice A:

(x', y') = (3/7x, 3/7y)

This represents a dilation with a scale factor of 3/7. But we already know that the scale factor should be d / sqrt(2). Since d could be any value, we cannot say for sure whether 3/7 is the correct scale factor.

Answer choice B:

(x', y') = (x + 3/7, y + 3/7)

This represents a translation, not a dilation. Therefore, it cannot be the correct answer.

Answer choice C:

(x', y') = (x + 7/3, y + 7/3)

This represents a dilation with a scale factor of 1. This is not the correct scale factor, since we know that the distance between the origin and A' should be greater than the distance between the origin and A.

Answer choice D:

(x', y') = (7/3x, 7/3y)

This represents a dilation with a scale factor of 7/3. This is the correct scale factor, since we know that the distance between the origin and A' should be d, which is 7/3 times the distance between the origin and A.

Therefore, the correct answer is D.

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* Kendra and her family used:

** 4 liters of fuel on day 1

*** 3 liters of fuel on day 2

**** 2 liters of fuel on day 3

***** 4 liters of fuel on day 4

So in total they used:

4 + 3 + 2 + 4 = 13 liters of fuel

Therefore, the amount of fuel they used in all is:

13 liters

The statement that is equivalent to each other would be =

2×(4+2)-6 = 14÷(3.5×2)+4. That is option A.

An equivalent equation is the type of equation that appears different but has the same answer when simplified or solved.

The first part;

=2×(4+2)-6

= 2×(6)-6

= 12-6 = 6

The second part;

= 14÷(3.5×2)+4

= 14÷7+4

= 2+4

= 6

Therefore, 2×(4+2)-6 = 14÷(3.5×2)+4. is a true statement.

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Therefore , the solution of the given problem of coordinates comes out to be  (1, -4) are the coordinates of the vertex of the function  F(x) = x² - 2x - 3.

When used in connection with particular other algebraic components on this place, such as Euclidean space, a parameter can reliably detect placement using a number of qualities or coordinates. Coordinates, which appear as collections of numbers when traversing in reflected space, can be utilised to identify particular places or things. Using the two y & x measurements, one can find something over both sides.

Here,

The formula x = -b/2a can be used to determine the vertex of a quadratic function with the form

F(x) = ax² + bx + c. A and B are equal in the given function

=>  F(x) = x² - 2x - 3.

With these values entered into the formula, we obtain:

=> x = -b/2a x = -(-2)/(2*1)

=> x = 2/2 x = 1

Consequently, the vertex's x-coordinate is 1.

Now, we can enter the value of x into the following function, F(x), to determine the vertex's y-coordinate:

=> F(1) = 1² - 2(1) - 3

=> F(1) = 1 - 2 - 3

=> F(1) = -4

Therefore, the vertex's y-coordinate is -4.

As a result, (1, -4) are the coordinates of the vertex of the function

=> F(x) = x² - 2x - 3.

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To estimate the difference 10 1/9 - 5 14/15, we can round both numbers to the nearest whole number and it gives (c) 4

From the question, we have the following parameters that can be used in our computation:

10 1/9 - 5 14/15

Using the above as a guide, we have the following:

The estimated difference is: 10 - 6

Evaluate

The estimated difference is: 4

Therefore, the Estimated  difference is 5

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1. Elizabeth's statement is incorrect because not only values less than 36, but also values equal to or greater than 36 make the inequality true.

2. All values of x less than 7 make the inequality true.

In mathematics, inequality is a relationship or a statement that compares two numbers or expressions that are not equal. It is expressed by symbols such as, >,,, or, which indicate which value is lower, greater, or simply different.

1. Elizabeth's statement is incorrect because not only values less than 36, but also values equal to or greater than 36 make the inequality true. For example, when x is 35, 6x is 210, which is not less than 42. On the other hand, when x is 36, 6x is 216, which is greater than 42, but when x is any value greater than 6, 6x will still be greater than 42.

2. In words, all values of x that make the inequality true are x such that 6 times x is less than 42. We can simplify this inequality by dividing both sides by 6 to get:

x < 7

Therefore, all values of x less than 7 make the inequality true.

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The number of bacteria after 5 hours is approximately 1013.8.

We can use the formula for exponential growth to solve this problem. If a population grows at a rate proportional to its size, then we can writ

N(t) = N₀ × e^(rt),

where N(t) is the size of the population at time t, N₀ is the initial size of the population, r is the growth rate, and e is the mathematical constant approximately equal to 2.71828.

We know that the culture starts with 40 bacteria, so N₀ = 40. We also know that after 2 hours, the size of the population is 180. We can use this information to solve for r:

180 = 40 × e^(2r)

180/40 = e^(2r)

ln(180/40) = 2r

r = ln(180/40)/2

r ≈ 0.6931

Now we can use the formula to find the size of the population after 5 hours:

N(5) = 40 × e^(0.6931×5)

N(5) ≈ 1013.8

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In this case, both triangles have a side length of 5 units and a side length of 7 units, and they share an angle of 117 degrees. Therefore, they satisfy the ASA criterion, and we can conclude that they are congruent.

Congruent is a mathematical term used to describe two figures or shapes that have the same size and shape. In other words, two figures are congruent if they have exactly the same dimensions and the same angles. When two figures are congruent, they can be superimposed on each other without any overlap or gap between them. Congruent figures are often denoted by the symbol ≅. For example, if two triangles have the same size and shape, we can write them as ∆ABC ≅ ∆DEF, which means that triangle ABC is congruent to triangle DEF. Congruent figures play an important role in geometry and other branches of mathematics.

Yes, the two triangles are congruent.

In Euclidean geometry, if two angles and a side of one triangle are equal to two angles and a side of another triangle, then the two triangles are congruent. This is known as the angle-side-angle (ASA) congruence criterion.

In this case, both triangles have a side length of 5 units and a side length of 7 units, and they share an angle of 117 degrees. Therefore, they satisfy the ASA criterion, and we can conclude that they are congruent.

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No, a triangle cannot have the given angle measures, 115. 1∘, 47. 5∘, 93∘, as sum of these is greater than 180°.

The angle sum of a triangle will always be equal to 180°. The angle sum of a quadrilateral is equal to 360°, and a triangle can be created by slicing a quadrilateral in half from corner to corner. Since a triangle is essentially half of a quadrilateral, its angle measures should be half as well.

The sum of the angles in a triangle is always 180°, and 115.1° + 47.5° + 93° = 255.6°, which is greater than 180°.

Therefore, it is not possible for a triangle to have these angle measures.

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Answer:

The formula for the area of a trapezoid is:

Area = (b1 + b2) / 2 x h

where b1 and b2 are the lengths of the two parallel bases, and h is the height.

We are given that the area of the trapezoid is 96 ft, the height is 8 ft, and one of the bases (b1) is 11 ft. We can use this information to find the length of the other base (b2).

Substituting the given values into the formula for the area of a trapezoid, we get:

96 = (11 + b2) / 2 x 8

Multiplying both sides by 2 and dividing by 8, we get:

24 = 11 + b2

Subtracting 11 from both sides, we get:

b2 = 13

Therefore, the length of the other base is 13 ft.

Answer:osse is collecting signatures for a petition.

He currently has 520signatures.

He has 6 more weeks to collect the signatures he needs.

He needs at least 1000 signatures before he can submit his petition

Step-by-step explanation:

The terms arranged in order from smallest to biggest are: (-2)³, -√25, √11, 10, and 4² after comparing the values of the final numbers.

We shall first simplify the numbers to get their final values and then compare to which is smaller as follows:

4² = 4 × 4 = 16

-√25 = -5

10 = 10

√11 = 3.3166

(-2)³ = -2 × -2 × -2 = -8

In conclusion, we have by comparing the final values of the numbers the terms arranged from smallest to the biggest as: (-2)³, -√25, √11, 10, and 4².

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The composite functions are given as follows:

The composite function of f(x) and g(x) is given by the function rule presented as follows:

(f ∘ g)(x) = f(g(x)).

For the composition of two functions, we have that the output of the inner function, which in this example is given by g(x), serves as the input of the outer function, which in this example is given by f(x).

The composite functions for this problem are given as follows:

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Answer:

12 bowls

Step-by-step explanation:

If marry had nine pounds of salad, and each salad bowl holds 3/4 pounds each, then the equation is 9 divided by 3/4, which equals twelve.

The probability that the dog is still lost at the end of the second day is 0.35

To solve this problem, we can use Bayes' theorem to calculate the probability of the dog being lost at the end of the second day given the information we have.

Let's define some events

A: the dog is in forest A

B: the dog is in forest B

F: Oscar finds the dog in the forest he searches

We want to calculate P(dog is still lost at the end of day 2) = P(not F_A and not F_B), where not F_A is the event that Oscar doesn't find the dog in forest A and not F_B is the event that Oscar doesn't find the dog in forest B.

Using Bayes' theorem, we can write

P(not F_A and not F_B) = P(not F_A | B) * P(B) + P(not F_A | A) * P(A)

where P(not F_A | B) is the probability that Oscar doesn't find the dog in forest A given that the dog is in forest B, and P(not F_A | A) is the probability that Oscar doesn't find the dog in forest A given that the dog is in forest A.

We know that P(A) = 0.7 and P(B) = 0.3, and we are given that:

P(not F_A | A) = 0.5 (the probability of not finding the dog in forest A given the dog is in forest A)

P(F_A | A) = 0.5 (the probability of finding the dog in forest A given the dog is in forest A)

P(not F_B | B) = 0.2 (the probability of not finding the dog in forest B given the dog is in forest B)

P(F_B | B) = 0.8 (the probability of finding the dog in forest B given the dog is in forest B)

Using these values, we can calculate

P(not F_A and not F_B) = P(not F_A | B) × P(B) + P(not F_A | A) × P(A)

= 0.2 × 0.3 + 0.5 × 0.7

= 0.35

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The given question is incomplete, the complete question is:

Oscar has lost his dog; there is a 70% probability it is in forest A and a 30% chance it is forest B. If the dog is in forest A and Oscar looks there for a day, he has a 50% change of finding the dog. If the dog is in forest B and Oscar looks there for a day, he has an 80% chance of finding the dog. what is the probability that the dog is still lost at the end of the second day?

The number of hits would Rico get in 56 at-bats is 21 hits if he maintains the same rate of hits per at-bat.

To determine how many hits Rico would get in 56 at-bats, we can use a proportion based on the information given:

Hits / At-bats = Hits / At-bat

We know that Rico got 12 hits in 32 at-bats, so we can plug those values into the proportion:

12 / 32 = Hits / 56

We can then solve for Hits by cross-multiplying:

12 * 56 = 32 * Hits

672 = 32 * Hits

Hits = 672 / 32

Hits = 21

Therefore, if Rico maintains the same rate of hits per at-bat, he would be expected to get approximately 21 hits in 56 at-bats.

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