Use proportional reasoning to find 65% of 200

Answers

Answer 1

Answer: $(200)/(1)$ * $(65)/(100)$ =130

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If a line contains the point (0, -1) and has a slope of 2, then which of the following points also lies on the line?(2, 1) (1, 1) (0, 1)
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HELP PLS LOL !!!!!!!!!!!!!!

A phone company charges $25 per month, plus an installation fee of $50. If you have paid the phone company $375, how many months have you had the phone?

Answers

The installation fee is a one time thing so you do 375-50. and then you do 325/25 to get 13 so the answer is 13 months

Set up a formula. 50+25x=375. Step 1: Subtract 50. 25x=325 Step 2: divide 325 by 50. The answer is 13 months.

What is the cost price if the selling price is $98 and the profit is 40%

Answers

98-40=58

98+40%=134.7

98-40%=58.8

so theres a slight difference then just 90-40

$$98 - 40% = $58.80$

because 40% of $98 is $39.20

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.

Answers

If n is one the 4n is 4
N is 2 then 4n is 8
N is 3, 4n is 12
N is 4 then 4n is 16

What is the sum of the interior angle measures of a regular octagon

Answers

The requried sum of the interior angle measures of a regular octagon is 1080°.

What is a polygon?

A polygon is defined as a geometric shape that is composed of 3 or more sides these sides are equal in length, and an equal measure of angle at the vertex,

Examples of polygons, equilateral triangles, squares, pentagons, etc

Here,

The Sum of interior angles of a polygon with n sides is given as,
= (n-2) × 180°

Since an octagon has 8 sides,
So put n = 8

The Sum of interior angles of a octagon = (8-2) × 180°
= 6 × 180° = 1080°

Thus, the requried sum of the interior angle measures of a regular octagon is 1080°.

Learn more about polygon here:

brainly.com/question/24464711
#SPJ2

You would first need to find the exterior angle of the octagon first in order to find the interior angle of the octagon. Since all the exterior angles of any polygon is 360, you would divide 8 from 360 which is 45
Exterior Angle=45
Then, you would subtract 45 from 180, since the exterior angle + the interior angle is equal to 180 degrees.
180-45=135
Exterior Angle=135

Joey's dog weighs 102.45 pounds. Jimmy's dog weighs 25.38 pounds less.How many pounds does Jimmy's dog weigh?

Answers

1.Since 5 is less than 8, borrow 1 from the next column to make 15.

2.Calculate 15 - 8, which is 7.

3.Calculate 3 - 3, which is 0.

4.Since 2 is less than 5, borrow 1 from the next column to make 12.

5.Calculate 12 - 5, which is 7.

6..Calculate 9 - 2, which is 7.

7.Therefore, 102.45 - 25.38 = 77.07.

102.45 - 25.38 =77.07.

Adult male heights are normally distributed with a mean of 70 inches and a standard deviation of 3 inches. The average basketball player is 79 inches tall. Approximately what percent of the adult male population is taller than the average basketball player?0.13%
0.87%
49.87%
99.87%

Answers

Given:
average height of a basketball player = 79 inches
μ = 70 inches
σ = 3 inches

standardize x to z = (x - μ) / σ
P(x > 79) = P( z > (79-70) / 3)
= P(z > 3) = 0.0013
0.0013 x 100% = 0.13%

0.13 % of the adult male population is taller than the average basketball player.

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