HELP!!! DUE BY TOMORROW!!

1. The table below shows values for y=3(2*). What value will replace the question mark in the table?

2. By what factor are the y-values in the table increasing?

The area of the triangle is 4.5 square unit.

We have, y= 4x/ (1 + x³)

Now, differentiating the above equation wrt to x we get

y' = 4(1 + x³)- 4x . 3x² / (1+ x³)²

y'= -8x³ + 4/ (1+x³)²

When x = 1 then y' = -4/4 = -1

so, y -2 = -1 (x-1)

y= -x+ 3

Here the x intercept is (3, 0) and y intercept is (0, 3).

so, Area of Triangle is

= 1/2 x 3 x 3

= 9/2

= 4.5 square unit

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diameter of the pizza is twice the radius, so the diameter is approximately 11 inches to the nearest inch.

Since the pizza is divided into eight equal slices, the central angle of each slice is 45 degrees (360 degrees divided by 8).

The length of the outer edge of one slice is equal to the circumference of the circle divided by 8. Let's call this length "x".

We can set up the equation x = (2πr)/8, where r is the radius of the pizza.

Simplifying the equation, we get x = (πr)/4.

We know that x = 5.5 inches, so we can plug this in to get 5.5 = (πr)/4.

Solving for r, we get r = (4 x 5.5) / π ≈ 5.54 inches.

diameter of the pizza is twice the radius, so the diameter is approximately 11 inches to the nearest inch.

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The value of the 6 in 4.601 is 0.1 times the value of the 6 in 95.96.

In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

To find the value of the 6 in 4.601 in relation to the value of the 6 in 95.96, we need to compare their place values.

In 4.601, the digit 6 is in the tenths place.

In 95.96, the digit 6 is in the ones place.

Since the tenths place is one position to the right of the ones place, the value of the 6 in 4.601 is 1/10th (or 0.1 times) the value of the 6 in 95.96.

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The probability that the next chew Jace removes from the bag will be a flavor other than peach is 0.46.

The total number of chews Jace removed from the bag is 35. Out of these 35 chews, 19 were peach chews.

Therefore, the number of chews that are not peach is:

35 - 19 = 16

To find the probability that the next chew Jace removes from the bag will be a flavor other than peach, we need to divide the number of chews that are not peach by the total number of chews removed:

P(flavor other than peach) = (number of chews that are not peach) / (total number of chews removed)

P(flavor other than peach) = 16 / 35

P(flavor other than peach) = 0.457

P(flavor other than peach) = 0.46

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Short-term goals can be accomplished with less planning than long-term ones. As a result, choice (2) is the right one.

We have,

Your immediate priority is to complete a short-term goal.

You can affect significant change by setting short-term goals.

Anything you desire to do soon is a short-term objective. Today, this week, this month, or even this year can all be considered as being in the near future. Something you desire to do quickly is a short-term aim. A long-term aim is something that will require a significant amount of time to complete.

You can advance your career by setting both long-term and immediate objectives. You can think of immediate actions to take by setting short-term goals. You may manage your time better by setting short-term goals. While short-term goals may appear insignificant, achieving them can result in significant achievements in both your personal and professional life.

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complete question:

How do long-term goals differ from short-term goals?

Long-term goals require more money than short-term goals.

Long-term goals require more preparation than short-term goals.

Long-term goals are less attainable than short-term goals.

Long-term goals take longer to plan than short-term goals.

The value(s) of λ such that the vectors v1 = (4, 1, 7), v2 = (0, 1, λ) and v3 = (λ, 0, 3) are linearly dependent is:

λ = -4/45 or λ = 21.

For the vectors to be linearly dependent, there must exist non-zero scalars a, b, and c such that:
a*v1 + b*v2 + c*v3 = 0

Substituting the given values for the vectors, we get:
a(4, 1, 7) + b(0, 1, λ) + c(λ, 0, 3) = (0, 0, 0)

This can be written as a system of three equations:
4a + λc = 0
a + b = 0
7a + λc + 3c = 0

Solving for a and c in terms of λ and substituting into the first equation, we get:
4(-b/7) + λc = 0
-4b/7 + λc = 0
λc = 4b/7

If λ = 0, then c = 0 and the vectors are linearly independent. So assume λ ≠ 0. Then we can divide both sides by λ to get:
c/b = 4/(7λ)

Substituting into the third equation and solving for a, we get:
a = -3c/(7λ)

Substituting these values for a and c into the second equation, we get:
-b/7 - 3c/(7λ) + b = 0

Multiplying by 7λ, we get:
-λc + 7b - 3c = 0

Solving for c, we get:
c = 7b/(λ - 3)

Substituting this into the equation c/b = 4/(7λ), we get:
7/(λ - 3) = 4/(7λ)

Multiplying both sides by 7λ(λ - 3), we get:
49λ = 4(λ - 3)

Simplifying and solving for λ, we get:
λ = -4/45 or λ = 21

Therefore, the value(s) of λ such that the vectors v1 = (4, 1, 7), v2 = (0, 1, λ) and v3 = (λ, 0, 3) are linearly dependent is λ = -4/45 or λ = 21.

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The area of the circular region watered by the sprinkler with a radius of 15 feet is approximately 706.5 square feet.

To find the area of a circle, we use the formula:

area = π * r^2

where r is the radius of the circle and π is a constant approximately equal to 3.14.

In this case, the radius is given as 15 feet. Substituting this value in the formula, we get:

area = 3.14 * 15^2

= 3.14 * 225

≈ 706.5

Rounding this value to the nearest square foot, we get:

area ≈ 707 square feet

Therefore, the area of the circular region watered by the sprinkler with a radius of 15 feet is approximately 706.5 square feet, rounded to the nearest square foot.

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To find the number of singers that joined the single singer, we need to first determine the total increase in decibels (dB) and then divide it by the increase in decibels per singer.


1. Calculate the total increase in decibels: 83 dB - 74 dB = 9 dB
2. Since decibels use a logarithmic scale, we need to determine the number of times the sound intensity is multiplied. In general, an increase of 10 dB corresponds to a 10 times increase in intensity. Therefore, a 3 dB increase corresponds to doubling the intensity (approximately).
3. Now, we need to find how many times the intensity doubles to reach a 9 dB increase. Since each 3 dB increase doubles the intensity, 9 dB increase means tripling the doubling (9 dB / 3 dB = 3).
4. The intensity doubles 3 times: 2^3 = 8. This means the total sound intensity is 8 times greater than the original intensity.
5. Since the single singer's intensity is already included, the number of singers who joined him is 8 - 1 = 7 singers.

Seven singers have joined the single singer when the sound level increases from 74 dB to 83 dB, and each singer is equally loud.

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The units for da/dx are pounds per foot squared.

The units for da/dx would be pounds per foot squared. This is because da/dx represents the rate of change of the function a(x), which has units of pounds per foot, with respect to x, which has units of feet. When we take the derivative of a(x), we essential do division of the change in a(x) by the change in x.  

The change in a(x) has units of pounds, and the change in x has units of feet. Therefore, the units for da/dx are pounds per foot squared.

To further explain this, imagine that a(x) represents the weight of a beam that is x feet long. The units for a(x) would be pounds per foot, as it gives us the weight of the beam per unit of length. The derivative of a(x), or da/dx, would give us the rate at which the weight of the beam changes as we increase its length by one foot.

This rate of change would be in units of pounds per foot squared, as we are dividing the change in weight (pounds) by the change in length (feet squared).

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The fact family of the numbers are given by

a) 4 , 7 , 11

b) 2 , 6 , 8

c) 5 , 4 , 9

d) 9 , 7 , 16

Given data ,

Numbers that do not form a fact family are any set of numbers that do not follow this pattern.

And , fact family of the numbers are given by

a) 4 , 7 , 11

b) 2 , 6 , 8

c) 5 , 4 , 9

d) 9 , 7 , 16

Hence , the fact family of numbers are solved

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The determinant is nonzero, there is no solution for c1 and c2, and hence y⃗ is not in the plane spanned by v⃗ 1 and v⃗ 2 for any value of h. To determine if y⃗ is in the plane spanned by v⃗ 1 and v⃗ 2, we need to check if y⃗ can be written as a linear combination of v⃗ 1 and v⃗ 2.

That is, we need to solve the system of equations:
c1 * v1 + c2 * v2 = y
where c1 and c2 are constants to be determined.
Substituting in the given values, we get:
c1 * [-1 4] + c2 * [-1 6] = [1 - 10h]
This gives us two equations:
-c1 - c2 = 1
4c1 + 6c2 = -10h + 1
Solving for c1 and c2, we get:
c1 = -2h + 1/3
c2 = -2h - 2/3
For y⃗ to be in the plane spanned by v⃗ 1 and v⃗ 2, the constants c1 and c2 must exist such that the system of equations is satisfied. This means that the determinant of the coefficient matrix must be zero:
|-1 -1|
| 4  6| = -2
Since the determinant is nonzero, there is no solution for c1 and c2, and hence y⃗ is not in the plane spanned by v⃗ 1 and v⃗ 2 for any value of h.

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Answer:

  236 minutes

Step-by-step explanation:

You want to know the time to fill a cylindrical pool with radius 5 feet and depth 4 feet if 1 cubic foot is 7.5 gallons and the fill rate is 10 gallons per minute.

The volume of the pool is ...

  V = πr²h

  V = π(5 ft)²(4 ft) = 100π ft³ ≈ 314.159 ft³

The time to fill the pool will be found by dividing the number of gallons by the fill rate in gallons per minute.

  t = V/rate

  t = (314.159 ft³)(7.5 gal/ft³)/(10 gal/min) ≈ 236 min

It will take about 236 minutes to fill the pool.

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The equation defines function f is f(x) = - 1/4 x + 2.

To find the equation of function f, we need to eliminate the constant term of 14 in the equation y = f(x) + 14.

One way to do this is to subtract 14 from both sides of the equation:

y - 14 = f(x)

Now we can compare this with the given options for f(x):

A. f(x) = - 1/4 * x - 12

B. f(x) = - 1/4 * x + 16

C. f(x) = - 1/4 * x + 2

D. f(x) = - 1/4 * x - 14

We see that option C matches our equation: y - 14 = f(x) = - 1/4 x + 2. Therefore, the answer is:

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The length of the line segment B'C' is 3 units.

We can see that from the given graph that,

The coordinates of the points are:

B = (-2, 6)

C = (-2, 3)

If we translate the points 5 units to the right then the changed coordinates will be -

B' = (-2 + 5, 6) = (3, 6)

C' = (-2 + 5, 3) = (3, 3)

So the length of the B'C' is given by,

B'C' = √((3 - 3)² + (6 - 3)²) = √(0² + 3²) = √(0 + 9) = √9 = 3 units.

Hence the length of the line segment B'C' is 3 units.

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True.

The normal distribution is a probability distribution that follows a bell-shaped curve. The curve is symmetric around the mean, with the majority of the data falling within one standard deviation from the mean. Probabilities for a given range of values can be calculated by finding the area under the curve for that range. This is because the area under the curve represents the probability of a random variable falling within that range. The properties of the normal distribution make it a useful tool for statistical analysis, as it can be used to model many natural phenomena and is often assumed in hypothesis testing and confidence interval calculations.
True, the normal distribution follows a bell-shaped curve, where probabilities are found by calculating the area under the curve. This distribution is symmetrical around its mean, with probabilities decreasing as values move away from the mean. To find the probabilities, we calculate the area under the curve using integration, which gives us the likelihood of a value occurring within a specific range. The total area under the curve is equal to 1, representing 100% probability. The normal distribution is useful for understanding real-world phenomena and predicting outcomes based on patterns of data.

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80 students gained more than 48 mark from box plot.

Since 120 students gained less than 70, and

70 is the upper quartile from box plot

120 people are in the 75% of all the students

we need to find the total number of students.

we need to multiply 0.75 (75%) by something to get 120. which is 160 (the total number of all students).

and since 48 is the median score, find 50% of 160 which is 80

Hence, 80 students gained more than 48 mark

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a) Esther Zeeva's total cost, using addition operation, who rented a convertible for 7 days, with the car rents for $429.00 per week with no charge for mileage and her gasoline cost as $131.64, is $560.64.

b) If the rental is subject to a 15% state and local tax, her total cost, using factor multiplication, is $644.74.

c) Using division operation, Esther's cost per mile (including state and local tax) is $1.33.

The number of days the convertible was rented = 7 days

The rental per week = $429.00

Gasoline cost =$131.64

The total mileage = 485 miles

Some of the mathematical operations include addition, multiplication, and division.

These three basic mathematical operations are used to solve the following questions:

a) The total cost = $560.64 ($429.00 + $131.64)

State and local tax = 15%

b) The total cost with tax = $644.74 ($5609.64 x 1.15)

c) Cost per mile = $1.33 ($644.74 ÷ 485)

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The equation that represents circle N include the following: C. (x + 7)² + (y - 6)² = 50.

In Geometry, the standard or general form of the equation of a circle is modeled by this mathematical equation;

(x - h)² + (y - k)² = r²

Where:

Radius, r = √[(x₂ - x₁)² + (y₂ - y₁)²]

Radius, r = √[(-2 + 7)² + (11 - 6)²]

Radius, r = √[(5)² + (5)²]

Radius, r = √50 units.

By substituting the given radius and center into the equation of a circle, we have;

(x - h)² + (y - k)² = r²

(x - (-7))² + (y - 6)² = (√50)²

(x + 7)² + (y - 6)² = 50.

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Answer:

A: The path along Line segment X Y is longer than the path along Line segment Z Y, and the path along Line segment Z Y is longer than the path along Line segment A B.

Jen mae bag of cookies for the bake sale. She put 6 cookies n each bag. Jen will have 9 bags of cookies for the bake sale.

Jen made bags of cookies for the bake sale, with 6 cookies in each bag. She made 55 cookies in total, but ate 4 of them while baking. To find out how many bags of cookies Jen will have for the bake sale, we can start by subtracting the 4 cookies she ate from the total number of cookies:

55 cookies - 4 cookies = 51 cookies

Now we can divide the remaining 51 cookies by the number of cookies in each bag:

51 cookies ÷ 6 cookies/bag = 8.5 bags

Since we can't have half a bag of cookies, we need to round our answer to the nearest whole number. Since 8.5 is closer to 9 than it is to 8, we can say that Jen will have 9 bags of cookies for the bake sale.

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Answer:

8 laps.

Step-by-step explanation:

12 x (2/3) = 8. Juan walked 8 laps.

Answer:

8 laps

Step-by-step explanation:

We know that Mike walked 12 laps.

We also know that Juan walked 2/3 of 12 laps, meaning Juan walked less laps than Mike, as 2/3 is less than 1.

To solve, we can multiply 2/3 by 12 to find out how many laps Juan walked:

[tex]12(\frac{2}{3})[/tex]

=8

So, Juan walked 8 laps.

Hope this helps! :)

The two supplementary angles are 23 and 157 degrees.

Two angles are supplementary when that add up to 180 degrees. In this case, we are given that one of the two angles is 134 degrees more than the other. We can construct the following equation.

x + (x + 134) = 180

x represents the degree measure of the smaller angle. Now, all we need to do is solve the equation for x.

=> 2x + 134 = 180

=> 2x = 180 - 134

=> 2x = 46

=> x = 46/2

=> x = 23

We have the value of the smaller angle, we can easily solve for the larger angle. We are told that it is 134 degrees larger than the other one.

23 + 134 = 157 degree.

Therefore, the two supplementary angles are 23 and 157 degrees.

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The solution is: the maximum amount of profit the company can make, to the nearest dollar is: $978.

Here, we have,

Given:

y = amount of profit

x = selling price of each widget

y=-x^2+78x-543

To find the maximum amount of profit,

differentiate the equation, set it to zero and solve for x.  

Substitute found value of x into the original equation.

Differentiate equation:

y=-x^2+78x-543

dy/dx = -2x + 78

Set differentiated equation to zero and solve for x:      

dy/dx = 0

=> -2x + 78 = 0

=> x = 39

Maximum profit

Substitute x = 39 into the equation:

=> y = 978

Therefore, max profit is $978

Hence, The solution is: the maximum amount of profit the company can make, to the nearest dollar is: $978.

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To verify solutions to first-order linear systems of differential equations, both homogeneous and nonhomogeneous, you need to substitute the proposed solution into the original system of equations and check if it satisfies the equations.

Homogeneous Systems:

For a homogeneous system of first-order linear differential equations, the system can be written as:

dx/dt = a11x + a12y

dy/dt = a21x + a22y

To verify a proposed solution (x(t), y(t)), substitute it into the system and check if the equations hold for all values of t. That is, calculate dx/dt and dy/dt using the proposed solution and check if they satisfy the given equations.

Nonhomogeneous Systems:

For a non-homogeneous system of first-order linear differential equations, the system can be written as:

dx/dt = a11x + a12y + g1(t)

dy/dt = a21x + a22y + g2(t)

To verify a proposed solution (x(t), y(t)), substitute it into the system and check if the equations hold for all values of t. That is, calculate dx/dt and dy/dt using the proposed solution, add the corresponding g1(t) and g2(t) terms, and check if they satisfy the given equations.

If the proposed solution satisfies all equations in the system, then it is a valid solution to the first-order linear system of differential equations. If it does not satisfy any equation, then it is not a valid solution.

It's worth noting that sometimes additional initial conditions or boundary conditions might be given, and you should also check if the proposed solution satisfies those conditions as well.

Remember to carefully perform the calculations and ensure that the proposed solution is correctly substituted into the system of equations.

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Answer:

9,100

Step-by-step explanation:

We have a rectangle with a length of 130 and a width of 70.

We are asked to find how much turf will cover the entire field.

We can multiply:

130·70

=9100

This means that 9,100 yds² is needed.

Hope this helps! :)

Step-by-step explanation:

a²+ab+b²

(0)^2 + (0)(1) + (1^2)

  0    +    0    +    1        = 1  

A frustum is one of two pieces of a double cone divided at the vertex. A double cone is a three-dimensional shape that is created by connecting two cones with their vertices touching.

When the double cone is cut through the vertex, it creates two pieces known as frustums. A frustum has a circular base and a smaller circular top, which are parallel to each other. The height of the frustum is the distance between the two circular bases.

The volume of a frustum can be calculated using the formula V = (1/3)h(a^2 + ab + b^2), where h is the height, a is the radius of the larger base, and b is the radius of the smaller top. Frustums are commonly found in architecture and engineering, such as in the design of buildings and bridges.

A "napped cone" is one of two pieces of a double cone divided at the vertex. When a double cone is bisected through its vertex, it results in two identical, mirror-image napped cones. These geometric shapes have various applications in mathematics, engineering, and design due to their unique properties.

Napped cones share some characteristics with regular cones, such as having a circular base, but their pointed vertex is replaced by a flat plane where the double cone was divided. This creates a shape that is both symmetrical and easy to manipulate for various purposes.

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The median rent of the apartments Robert is looking into is $765.

When dealing with a set of numbers, it is important to know the different measures of central tendency. One of them is the median, which is the middle value in a dataset when arranged in order.

In this case, Robert recorded the monthly rent of various apartment homes: 450, 1695, 1250, 650, 575, and 880.

To find the median rent of these apartments, we need to arrange them in order first: 450, 575, 650, 880, 1250, and 1695.

Since there are six numbers in total,

The median would be the average of the third and fourth values, which is (650 + 880) / 2 = 765.

Therefore, the median rent of the apartments Robert is looking into is $765.

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