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Ann [662]
3 years ago
9

[solve each equation for the indicated variable] 2A=πr2 for π

Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

π = 2A/ r²

Step-by-step explanation:

\pi =  \frac{2a}{ {r}^{2} }

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if i have 80 people and there are 4 phones how long would it take for 80 people to.complete one phone call
svp [43]
Depends how long each call is.
80 people divided by 4 phones is 20 rotataions on the phone.
If each call is 2 minutes that’s 20x2 = 40 minutes.
6 0
3 years ago
How do u work out <br> 65% of 8700
lidiya [134]

First off, you have to make 65 % into an actual number, which is 0.65 (every time you want to convert percentages into numbers, you have to divide that by 100)

Now

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5 0
2 years ago
What is the solution of the linear equation? LaTeX: 5k\:+\:3.8\:=\:3k\:+\:95 k + 3.8 = 3 k + 9 Group of answer choices 26 6.4 .0
lakkis [162]

Answer:

k = 2.6

Step-by-step explanation:

Given

5k + 3.8 = 3k + 9

Required

Solve

5k + 3.8 = 3k + 9

Collect like terms

5k -3k+ 3.8 = 3k -3k + 9

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Subtract 3.8 from both sides

2k+ 3.8 - 3.8= 9 - 3.8

2k= 9 - 3.8

2k = 5.2

Divide through by 2

k = 5.2/2

k = 2.6

4 0
3 years ago
HELP ASAP!!!!!
8_murik_8 [283]

Answer:

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935 subtracted by 850 equals 85 divided by 17 equals 0.

I hope this was helpful!

7 0
4 years ago
Three questions about areas of triangles
Elden [556K]

Answer:

ok. this my homework soon as i get the Q u can get it

Step-by-step explanation:

8 0
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