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photoshop1234 [79]
2 years ago
14

What is the formula for the area A of a circle in terms of the radius r?​

Mathematics
1 answer:
svet-max [94.6K]2 years ago
5 0

Answer:

n * r ^2

Step-by-step explanation:

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A.
Varvara68 [4.7K]

Answer:

Angela, a proportion is two equal ratios, kinda like 3/4 = 6/8.

 

If we call the number of cars c, then our proportion is 3/10 = c/100.

 

Cross multiplying, we get 10c = 300.

 

Dividing both sides by 10, c = 30.

3 0
3 years ago
Read 2 more answers
A student bought a book for $7.50 and a pen.the total cost was $9.50.which of the following can be used to find the cost of the
zloy xaker [14]
D: because if you take 9.50-7.50=2 you would get p=price or the price of the pen.
Hope I helped=)
6 0
3 years ago
Read 2 more answers
Determine the value of B such that the line defined by 8x + By + 92 = 0 passes through the point (-4,12).
zvonat [6]
8x + By + 92 = 0

(-4; 12) ⇒ x = -4; y = 12

subtitute

8 · (-4) + 12B + 92 = 0
-32 + 12B + 92 = 0
12B + 60 = 0    |subtract 60 from both sides
12B = -60    |divide both sides by 12

B = -5
8 0
3 years ago
I need help with this 2(n+3) - 4 < 6 n
Harman [31]

Answer:

Step-by-step explanation:

2(n+3) - 4 < 6n

2n+6-4 < 6n

2n + 2 < 6n

2 < 4n

½ < n

7 0
2 years ago
A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of c
GaryK [48]
5/9 minutes

amount lost=times times amout lost per unit of time
amount lost=5/9 times 3/10
amount lost=15/90
amount lost=5/30
amount lost=1/6

answer is 1/6 ft³ of air
6 0
3 years ago
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