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sladkih [1.3K]
2 years ago
5

A donut has a diameter of 7 in. What is the radius?

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
5 0

Answer:

The radius is 3.5 inches I think.

Step-by-step explanation:

Hope this helped Mark BRAINLIEST!!!

prisoha [69]2 years ago
3 0

Answer:

3.5

Step-by-step explanation:

You would simply divide 7 inches by 2 because the radius is one-half the measure of the diameter.

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2) Suppose that circles A and B have a central angle measuring 40°. Additionally, circle A has a radius of 5 2 ft and the radius
sleet_krkn [62]

Let 

rA--------> radius of the circle A

rB-------> radius of the circle B

SA------> the area of the sector for circle A

SB------> the area of the sector for circle B 

 

we have that

rA=5/2 ft

rB=9/2 ft

rA/rB=5/9-----------> rB/rA=9/5

SA=(25/36)π ft²

 

we know that

 

if Both circle A and circle B have a central angle , the square of the ratio of the radius of circle A to the radius of circle B is equals to the ratio of the area of the sector for circle A to the area of the sector for circle B

 

(rA/rB) ^2=SA/SB-----> SB=SA*(rB/rA) ^2----> SB=(9/5) ^2*(25/36)π--->

<span>SB----------- > (81/25)*(25/36)------ > 81/36------ >  9/4π ft²</span>

 

the answer is

<span>the measure of the sector for circle B is (9/4)π ft²</span>


3 0
3 years ago
The total fare for two adults and three children on an excursion boat is $14. If each childs fare is one half of each adults far
zvonat [6]
Make each adult x and each kid 5x
 and
set equal to 14.
 so it would be
 3.5x=14.
 14/3.5 = 4
so
x  = 4.
 adult tickets are 4$ while kids are 2$
7 0
2 years ago
Read 2 more answers
Keran works for 85 hours throughout a two-week period. She earns 1,891.25 throughout this period. How much does Karen earn for e
meriva

Answer:

178 is your answer I'm pretty sure

4 0
3 years ago
What is the equation of the line that is parallel to the line y - 1 =4(x+3)? no links.
Misha Larkins [42]

Answer:

4th option

Step-by-step explanation:

The slope m = 4

b = 32-(4×4) = 16

y = mx+b

or, y = 4x+16

Answered by GAUTHMATH

3 0
3 years ago
How do you divide 75 into 1000
Maksim231197 [3]
The answer is going to be a fraction...which is 75/1000, otherwise known as 1/40
3 0
3 years ago
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