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makvit [3.9K]
2 years ago
9

Solve each system of equations without graphing.

Mathematics
1 answer:
OlgaM077 [116]2 years ago
3 0

Answer:

t=11/6

u=1/9

Step-by-step explanation:

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PLEASE HELP!!!!! I NEED THIS FAST!!!!!!
ioda
Who says V1=V2?
if we simplify we get
(2/3)pir₁³=12pir₂²
for V1 to equal V2


a.
solve for r₁ to find r₁ as a function of r₂
(2/3)pir₁³=12pir₂²
times 3/2 both sides and divide by pi
r₁³=18r₂²
cube root both sides
r₁=∛(18r₂²)

if solve for r₂
(2/3)pir₁³=12pir₂²
divide by 12pi both sides
(1/18)r₁³=r₂²
squer root both sides
√((1/18)r₁³)=r₂



double radius of pond which is r1
√((1/18)r₁³)=r₂
r₁ turns to 2r₁ to double radius
√((1/18)(2r₁)³)=r₂double
√(8(1/18)(r₁)³)=r₂double
(√8)(√((1/18)(r₁)³))=r₂double
√((1/18)r₁³)=r₂ so
(√8)(r₂)=r₂double
(2√2)(r₂)=r₂double
the radius of the tank is multipled by 2√2
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3 years ago
Find the prime factorization: 49 i am stuck
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Answer:

49 can be broken down into 7 * 7 so the prime factorization is simply 7².

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Grace and her brother Sid want to raise money to go to band camp. Their parents have agreed to help them up to $400 by paying th
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Answer:

I think it would be 25m + 10b = 400

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