help me with this pleaseeee

Answer:

answer 2 is correct as we have to put 6 in front of 3 , and x infront of 28. doesn't matter if we change its position.

The situation that best represents the given equation is that there are two limo companies that charge based on the number of people, "h", that they carry. Limo A charges $6.5 plus $10.25 per person. Limo B charges $4 plus $11 per person. The equation equates the charges for the two companies to carry a "h" number of people.

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(0,0) is a saddle point and (1,1) is a local minimum.

From the contour map, the level curves intersect at (0,0) . Hence (0,0) is a saddle point.

and the center of level curve 3.2 (1,1) is a local minimum.

Hence (0,0) is a saddle point and (1,1) is a local minimum.

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the linear equation has solution b=3x+9y/a

what is linear equation?

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. the equation can be represented as Ax+ By= C,

x, y are variable, A,B, C are constant.

so given equation

x+3y=ab/3

multiply 3 on both side

⇒ ab=3x+9y

⇒b= 3x+9y/a

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Answer:

First one, the answer could be 1, 2, or 3, because the fraction you made is less than one. Second one, the answer could be any number above 4 (5, 6, 7, and so forth), because the fraction you made is greater than one.

Solution

We are given

We want to find make table and graph

(a). To make table, We take

Similarly, we find the values for the remaining values of x

To draw the graph, we have

Answer:

510 by 2 is 255

255 by 2 is 127.5

127.5=63.75.63.75 by 2=31.875

31.875. by 2=15.9375

15.9375 by 2=7.96875

512 by 2=256

256 by 2=128

128 by 2=64

64 by 2=32

32 by 2=16

The surface area of an object is the sum of the areas of all of its faces, or the exterior surfaces of its three dimensions.

Surface area=6(3.4)^2=69.36 square feet

A solid object's surface area is a measurement of the overall space that the object's surface takes up.

The quantity of space enclosing a three-dimensional shape's exterior is its surface area.

A 3D object's surface area is the entire area that all of its faces cover. For instance, if we need to calculate how much paint is required to paint a cube, we can use the cube's surface area. determine how much paint is needed to paint it. It is consistently expressed in square units.

As a refresher, the surface area of an object is the sum of the areas of all of its faces, or the exterior surfaces of its three dimensions.

Surface area=6(3.4)^2=69.36 square feet

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The function is f(x)=(x³+3x²-x-3)/(x²-1). The continuous function option A is correct.

Given that,

The function is f(x)=(x³+3x²-x-3)/(x²-1)

We have find the continuous function.

If the function's curve DOES NOT break at the point x = a, it is said to be a continuous function at that point in calculus. The mathematical definition of a function's continuity is given below. If x = a, then f(x) is continuous at that moment.

f(a) exists;

limₓ → ₐ f(x) exists;

limₓ → ₐ₋ f(x) = limₓ → ₐ₊ f(x) and

Both of the above values are equal.

Now, limₓ → ₐ f(x) = f(a).

The function g(x)=[tex]\left \{ {{\frac{x^{3}+3x^{2}-x-3 }{x^{2} -1} }, x\neq -1,1 \atop {-2, x=-1,1}} \right.[/tex]

Therefore, the continuous function option A is correct.

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The answer for the missing piece is to 'find' the variable.

The length of the rectangle is 49 cm.

What is perimeter?

Perimeter is the total distance covered by its boundaries or the sides. Since there are four sides of a rectangle, thus, the perimeter of the rectangle will be the sum of all four sides.

P = sum of all its four sides

P = a + b + a + b   (Opposite sides of rectangle are equal)

P = 2(a + b)

where a is the length and b is the breadth.

According to question, the breadth is 7 cm shorter than length.

Let x be the length and x - 7 be the breadth.

perimeter = 210 cm

2(x+x-7) = 210

2x - 7 = 210/2

2x - 7 = 105

2x = 105 - 7

2x = 98

x = 49

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The difference or distance between the two points is 5768ft

To solve this problem, we have to find the difference between the highest point and lowest point of the county.

When the height of a point is its vertical distance above or below the surface of a reference plane* you have selected, it is called the elevation* of that point.

When the height of a point is its vertical distance above or below mean sea level (as the reference plane), it is called the altitude* of the point.

The difference between the points of elevation in this question is

[tex]5776 - 8 = 5768ft[/tex]

The difference in elevation is given as 5768ft

The complete question is-

At the highest point, the elevation of a county is 5,667 feet above sea level. At its lowest the elevation of the county is 7 feet below sea level. Answer parts a through c. Write an expression using integers to represent the difference between the elevations.

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The value of the equation illustrated by E = 50q + 80000 is 5248000.

Simply put, an equation shows the relationship that exist between the variables that are given.

The equation given is illustrated as:

E = 50q + 80000

where q = (80p + 100000)

Substitute q into the equation

E = 50q + 80000

E = 50(80q + 100000) + 80000

E = 4000p + 5000000 + 8000

E = 4000p + 5080000

Substitute 42 for p

E = 4000(42) + 5080000

E = 168000 + 5080000

E = 5248000

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Since each serving contains 2/5 of a pound, then, the total weight of x servings would be:

If the total weight of x servings should be equal to the weight of the turkey, then:

Multiply both sides of the equation by 5/2:

Simplify the expressions on both sides of the equation:

Therefore, the number of adult servings from a 10 pound turkey, will be 25.

The polynomial that passes through the point (5,100) has the leading coefficient or c equal to 1.38.

We need to determine the leading coefficient c of the polynomial which passes through the point (5,100).

Given polynomial: f(x) = c(x - 1)(x + 1)(x-2)

Substituting f(x) = 100 and x = 5,

100 = c(4)(6)(3)

100 = c72

c= 1.38

Therefore, the leading coefficient c of the polynomial given that the graph goes through the point (5,100) is 1.38.

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Answer:

84%

Step-by-step explanation:

To solve this, the equation to find percent is AMOUNT divided by the TOTAL * 100. So 42 questions were right, divided by the total, 50. Therefore it would be 0.84 * 100, 84%

Random sampling do not complicates the analysis of cross-sectional data

Sampling is just an action of taking samples or subsets of a given data set for analysis. This means that when sampling is done, the next stage for the samples, are for them to be analyzed.

There different methods of sampling including random sampling. In this type, each member of the samples have equally probability of being chosen.

A cross-sectional data analysis is the analysis of samples or subsets at a fixed point in time. A systematic random sampling method is used in the analysis of cross-sectional data. And when this used, then each combinations of individuals samples in a data set has an equal chance of being selected.

Hence, the statements that says random sampling complicates the analysis of cross-sectional data is False.

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Rakesha  claims y =5x -7 is linear function for the sequence and represented by explicit formula is represented by aₙ = -2 +5(n-1).

As given in the question,

Linear function for the sequence represented by ;

y = 5x -7

Compare it with y = mx + b

m = 5

b= -7

For x = 1

First term (a₁)

y = 5(1) -7

  = -2

For x =2

second term (a₂)

y = 5(2) -7

  =3

Common difference = second term - first term

                               = 3 - (-2)

                               = 5

nth term of the sequence :

aₙ = a₁ + (n-1)d

   = -2 + (n-1)5

    = -2 +5(n-1) represent the  explicit formula.

Therefore, Rakesha  claims y =5x -7 is linear function for the sequence and represented by explicit formula is represented by

aₙ = -2 +5(n-1).

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Answer: w = -6

Step-by-step explanation:

-30 = 3(w + 6) + 5w

-30 = 3w + 18 + 5w

-30 = 8w + 18

-48 = 8w

w = -6

Hope this helps

The class interval of the histogram based on the information will lie between B. 150 ≤ h < 165.

It should be noted that a histogram simply means a graph that is used to show the data given. It helps with the distribution of data.

In this case, the histogram shows the heights of the students.

It should be noted that the median simply means the number in the middle. In this case, the median will be between 150 and 165 based on the diagram.

In conclusion, the correct option is B.

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Answer:

a

Step-by-step explanation:

hope that helps

Basically we need to find the distance between A and B, so:

The money in his bank account after the deposit is $12.09.

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Using the given trigonometric identity, the cosine of the angle in the second quadrant is given by:

cos(A) = 0.9682.

The cosine and the sine of the angle are related according to the following relation:

sin²(A) + cos²(A) = 1.

Hence, knowing the sine of the angle, as we do in this problem, we can find the cosine of the same angle solving the above equality.

The value of the sine of angle A is given by:

sin(A) = 1/4.

Hence the equation can be solved for the cosine as follows:

cos²(A) = 1 - sin²(A)

cos²(A) = 1 - (1/4)²

cos²(A) = 1 - (1/16)

cos²(A) = (16/16) - (1/16)

cos²(A) = 15/16

The inverse of the square is the square root, hence:

cos(A) = ± sqrt(15/16)

In the second quadrant, the cosine is negative, hence:

cos(A) = -sqrt(15/16)

cos(A) = -0.9682.

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Answer:

a)77/100 b)7/10 c)7/100

Step-by-step explanation:

The second pit stop was 0.327 seconds faster than the first pit stop which is the difference between both time

Subtraction is a mathematical operation that deducts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

We have been given that during a race the first pit stop took 8.352 seconds and the second pit stop took 8.025 seconds.

To determine how much faster the second pit stop.

We need to calculate the difference between the first pit stop and the second pit stop of time.

the difference = Time of first pit stop - Time of second pit stop

the difference = 8.352 - 8.025

the difference = 0.327 second

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The rates for this problem are given as follows:

1) Between 0 and 2 seconds: 1 meter per second.

2) Between 2 and 4 seconds: 0.5 meters per second.

3) Between 4 and 7 seconds: -1 meter per second.

4) Between 7 and 9 seconds: 0 meters per second.

The rates are not constant.

The average rate of change of a function is given by the change in the output divided by the change in the input. Hence, over an interval [a,b], the rate is given according to the following rule:

[tex]r = \frac{f(b) - f(a)}{b - a}[/tex]

For the first rate, between 0 and 2 seconds, we have that:

Hence:

r = (7 - 5)/(2 - 0) = 2/2 = 1 meter per second.

For the second rate, between 2 and 4 seconds, we have that:

Hence:

r = (8 - 7)/(4 - 2) = 1/2 = 0.5 meters per second.

This rate is already different than the first rate, hence the rates are not constant.

For the third rate, between 4 and 7 seconds, we have that:

Hence:

r = (5 - 8)/(7 - 4) = -3/3 = -1 meter per second.

For the fourth rate, between 7 and 9 seconds, we have that:

Hence:

r = (5 - 5)/(9 - 7) = 0/2 = 0 meters per second.

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Answer:

dancing

Step-by-step explanation:

d

a

n

c

I

n

g

don't

cry

ok

The y-intercept of the equation is 4.

The equation of a line is

y = mx + c

x, y is the point on the line

m = slope of a line

c = y-intercept

As the equation of a line is 3x + 2y = 8.

We have to find the y-intercept of the equation.

3x + 2y = 8

2y = -3x + 8

y = -3/2x + 4

y = mx + c

So from this, we get the y-intercept

c = 4

Therefore the y-intercept of the equation is 4.

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