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2 years ago

Solve the equation below for x. cx - 4 = 7

Mathematics

1 answer:

ra1l [238]2 years ago

8 0

Answer:

x = $\frac{11}{c}$

Step-by-step explanation:

Given

cx - 4 = 7 ( add 4 to both sides )

cx = 11 ( isolate x by dividing both sides by c )

x = $\frac{11}{c}$

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2 years ago

How to get the right answer

slavikrds [6]

You could break down the shape and then get to the area but there is a better way.

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2 years ago

Suppose an individual wants to have exactly $400,000 available for her child's education. (a) Find the amount that would have to

Airida [17]

Answer: a) $135,838.21 b) $46,130.05

<u>Step-by-step explanation:</u>

$A=P\cdot e^{rt}$

A: accrued amount (balance)
P: principal (initial amount invested)
r: interest rate (in decimal form)
t: time

(a) Given:

A = 400,000
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$400,000=P\cdot e^{(0.12)(9)}\\\\400,000=P\cdot e^{1.08}\\\\\dfrac{400,000}{e^{1.08}}=P\\\\\large\boxed{135,838.21}$

(b) Given:

A = 400,000
P = unknown
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t = 18

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3 years ago