MATHEMATICS COLLEGE

PLEASE HELP I WILL MARK BRAINLIEST

Answers

Answer 1

Answer:

Answer:

172.12 sq in

Step-by-step explanation:

The figure is comprised of a semicircle, and 2 rectangles

Area of semicircle = 1/2(3.14)4^2 = 25.12

Area of rectangle with length of 9 and width of 7 = 7(9) = 63

Area of rectangle with length of 14 and width of 6 = 6(14) = 84

Total area = 25.12 + 63 + 84 = 172.12 sq in

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7th grade mathThe sales tax on an item is 6.5%. The total cost of the item is the price, p, plus the tax. Which expression represents the total cost? A. 0.935p B. p + 1.065p C. 1.065p D. p + 6.5p
Consider this composite figure that is made of two half spheres a cylinder. A composite figure is comprised of one cylinder and two half spheres. The cylinder has a height of 9 millimeters and radius of 5 millimeters. The volumes of each figure that make the composite figure have been determined. Sphere V = 500 3 π mm3 Cylinder V = 225π mm3 What is the volume of the composite figure?

Point A is located at (-2, 2), and point M is located at (1,0). If point M is the midpoint of AB, find the location of point B.O(-0.5, 1)

O (4,-2)

O(-5,4)

O(-1,1)

Answers

Answer:

B. $B = (4,-2)$

Step-by-step explanation:

GIven that $A = (-2, 2)$ and $M = (1, 0)$ , and that point M is the midpoint of AB, the midpoint can be determined as a vectorial sum of A and B. That is:

$M = (1)/(2)\cdot A + (1)/(2)\cdot B$

The location of B is now determined after algebraic handling:

$(1)/(2)\cdot B = M - (1)/(2)\cdot A$

$B = 2\cdot M -A$

Then:

$B = 2\cdot (1,0)-(-2,2)$

$B = (2\cdot 1, 2\cdot 0)-(-2,2)$

$B = (2,0) -(-2,2)$

$B = (4,-2)$

Which corresponds to option B.

The coordinate of point B will be (4, -2). Then the correct option is B.

What is coordinate geometry?

Coordinate geometry is the study of geometry using the points in space. Using this, it is possible to find the distance between the points, the dividing line is m:n ratio, finding the mid-point of the line, etc.

Point A is located at (-2, 2), and point M is located at (1,0).

If point M is the midpoint of AB.

Then the location of point B will be

We know that the mid section formula

$\rm (x, y) = \left ( (x_1+x_2)/(2), (y_1+y_2)/(2) \right)$

Then the formula can be written as

x₂ = 2x - x₁ and y₂ = 2y - y₁

Then we have

x₂ = 2 × 1 + 2

x₂ = 4

y₂ = 2 × 0 - 2

y₂ = - 2

Then the coordinate of point B will be (4, -2).

Thus, the correct option is B.

More about the coordinate geometry link is given below.

brainly.com/question/1601567

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Insert < or > to form a true statement -17/18,3/5

Answers

Answer:

-17/18< 3/5

Step-by-step explanation:

positive is always greater than negative

Select the scenario below that demonstrates sampling bias. Select the correct answer below: a) Justin wants to estimate the ethnic background distribution of residents of his town. He collects data from 1000 randomly selected town residents by using a random number generator.
b) To estimate the mean salary of professors at her university, Patricia collects data by recording the salaries of all professors included in 12 randomly selected departments.
c) Elizabeth wants to estimate the mean height of students at her school. She collects data by selecting a random group of students within her classroom.
d) To estimate the mean grade point average of students at her school, Annie collects data by recording the grade point average of every 25th student on the list of students after randomly selecting first student.

Answers

Answer:

(C) Elizabeth wants to estimate the mean height of students at her school. She collects data by selecting a random group of students within her classroom.

Step-by-step explanation:

In option C, the sample is an example of convenience sampling, It is not representative of the population of student being studied.

Convenience sampling is a type of non-probability sampling method in which the sample is taken from the part of the population easy to reach.

The sample are not chosen at random thereby undermining the ability to generalize the results from the sample to the entire population under study.

Find the cost of lodging: A resort offers a double room for $87.00. Meals in the restaurant are $9.00 per person for breakfast, $14.00 per person for lunch, and $16.00 per person for dinner. How much would it cost two people to stay in the resort each day?

Answers

Answer:

Step-by-step explanation:

Hotel room = 87.00 a double room means for two people

breakfast = 9.00 X 2 = 18.00

Lunch 14.00 X 2 = 28.00

Dinner 16.00 X 2 = 32.00

add the amounts all together 87 + 18 + 28+ 32 =$165.00 for 2 people

Please help I'll give a brainiest to who ever can help my teacher didn't explain well and I'm so lost

Answers

Match the letter to whatever graph or table is shown. Ex. “1 goes to Graph A” (Example, could be wrong.)

The temperature in potter's kiln dropped 760 degrees in 4 hours. On average, how much did the temperature drop per hour?

Answers

If temperature in potter's kiln dropped 760 degrees in 4 hours. On average, 190 degrees of temperature drop per hour

What is Division?

A division is a process of splitting a specific amount into equal parts.

Given,

The temperature in potter's kiln dropped 760 degrees in 4 hours

We need to find the average of temperature drop per hour

To find this we have to divide 760 by 4.

Seven hundred sixty divided by four.

760/4

One hundred ninety

190

For an hour 190 temperature is dropped.

Hence, On average 190 temperature drop per hour.

To learn more on Division click:

brainly.com/question/21416852

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Answer:

-190

Step-by-step explanation:

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