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Wewaii [24]
3 years ago
13

Given two circles whose radii are 5" and 15", the ratio of their areas is

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

The answer to your question is ratio = 9

Step-by-step explanation:

Data

Circle 1 radius = 5''

Circle 2 radius = 15''

Process

1.- Calculate the area of circle 1

Area = πr²

Area = π(5)²

Area = 25π

2.- Calculate the area of circle 2

Area = πr²

Area = π(15)²

Area = 225π

3.- Calculate the ratio of the areas

ratio = 225π / 25π  

       = 9

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pantera1 [17]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Which represents the solution set of 5(x+5)<85
boyakko [2]
Divide both sides by 5 , so 5(x + 5)/5 < 85/5  , which will give you <span>x + 5 < 17 , then minus 5 from both sides which will give you x < 12 . hope this helps !</span>
8 0
3 years ago
Read 2 more answers
IF U ANSWER THIS U ARE SWAG
Andrews [41]
Equilateral: "equal"-lateral (lateral means side) so they have all equal sides. Isosceles: means "equal legs", and we have two legs, right? Also iSOSceles has two equal "Sides" joined by an "Odd" side. Scalene: means "uneven" or "odd", so no equal sides.
8 0
3 years ago
A line that includes the point (7, -2) has a slope of 1. What is its equation in slope-intercept
kompoz [17]

Answer:

Y = x - 9

Step-by-step explanation:

A slope of 1 = x

So we have

Y = x

To find y intercept we do

7 - (-2) = 9

So we have a y-intercept of 9

Y = x - 9

6 0
3 years ago
How can I Graph<br> -7x= -105
worty [1.4K]

Answer:

see explanation

Step-by-step explanation:

- 7x = - 105 ( divide both sides by - 7 )

x = 15

A line with equation x = c is a vertical line parallel to the y- axis passing through all points with an x- coordinate of c

Thus x = 15 is a vertical line passing through all points with an x- coordinate of 15

Plot (15, 0 ) , (15, 3 ) and (15, - 3) and join a straight line through them for graph

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2 years ago
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