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kakasveta [241]
3 years ago
13

Solve the formula s=4pi r^2 for r

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

The formula to find the surface area of a sphere is to take the radius of the sphere and square it and multiply that amount by pi and then multiply that by 4. This is written algebraically as S=4πr2, where S is the surface area, r is the radius, and the value of π is 3.14.

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How much should you invest at 4.8% compounded continuously to have $5000 in 2 years?
mezya [45]

Answer:

The total compound interest is $502.74 i think

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Sixteen more than twice a number,m, is 36. write an equation and solve to find the number.
Dimas [21]
32m=36
m=36/32
m=9/8
that's the correct answer
3 0
3 years ago
10m^3 of air weigh 13 kg.
Lemur [1.5K]

49.686‬ kg

Step-by-step explanation:

Since the density of the air remains constant in the question

We can represent this equation as a ratio;

10 m³ =  13 kg

(4.2 * 3.5 * 2.6)  m³ = ? (x) kg

4.2 * 3.5 * 2.6 = 38.22

We cross multiply

38.22 * 13 = 10 * x

X = 496.86‬ /10

X = 49.686‬

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3 0
3 years ago
Please help i’m confused
Pavel [41]

Answer:

The answer is A. t = 0.4n

Step-by-step explanation:

<em>See how on the graph, when n is 2, t is around 1? We just plug in 2 into n into the equation, t=0.4n. 0.4 times 2 is 0.8, so t=0.8. 0.8 is around 1, so a is right.</em><em> </em>If we tried the same thing with one of the other choices, like B. t=2.5n, then plugging in 2 into n would give us 2 times 2.5, which is 5. 5 is nowhere around 1, making it wrong.

6 0
3 years ago
Can some help me answer this question ASAP
Maru [420]

Answer:

A

Step-by-step explanation:

v + w   //substitute values

-3i + 2 - 4i  //combine like terms

-7i +2

4 0
3 years ago
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