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meriva
3 years ago
11

Please answer this correctly

Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0

Answer:

17.85 feet.

Step-by-step explanation:

Area = 1/4 * 3.14 * r^2  where r is the radius

So r^2 = 19.625 / (1/4 * 3.14)

r^2 = 25

r = 5 feet.

The perimeter = 2r + 1/4 * 2* 3.14*r

= 2*5 + 7.85

= 17.85 feet.

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What does a equal? a/15 = 4/5?
ratelena [41]
So in order to solve this we are going to cross multiply:
 a     4
--- = --
15    5   so what were are going to do is we will take a and multiply it with 5 and we will take 15 and multiply it with 4. Now this gives us 5a and 60 so our new equation is:
5a = 60 now we are going to get our variable alone by dividing it by 5 and what we do on one side of the equation we do on the other:
5a = 60
÷5    ÷5 this gives us a=12
hope this answer helps
6 0
4 years ago
Read 2 more answers
The program director at a botanical garden surveyed 75 of their annual members about the number of times they visit the gardens
Tatiana [17]

Answer: C) 165 annual members

Step-by-step explanation:

Those who will visit the garden more than 3 times in the next month will be those who visit 4, 5, and 6 or more times.

Out of the 75 surveyed, the total number of those are:

= 9 + 12 + 3

= 24

That would give a percentage of:

= 24 / 75

= 32%

This means that the best estimate for those who will visit more than 3 times is 32%.

Out of the total number of 516, that is:

= 32% * 516

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6 0
3 years ago
What’s 38,000 * 16 please help me
Julli [10]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Find the annual interest rate if i=$562.50, p=$1500, t=5 years
aniked [119]
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5 0
3 years ago
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Kimberly sells handmade jewelry online, charging one price for bracelets and another price for necklaces. This table shows how m
kenny6666 [7]
Bracelet cost = b
Necklace cost = n

15b + 8n = 500
19b + 24n = 980

Elimination method x -3
-45b - 24n = -1500
19b + 24n = 980

-26b = -520
b = $20 bracelets

Plug back in
19(20) + 24n = 980
380 + 24n = 980
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n = $25 necklaces


Check:
15(20)+ 8(25)= 500
300 + 200 = 500
500 = 500 :)
5 0
3 years ago
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