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geniusboy [140]
3 years ago
5

What x something negative = +8?

Mathematics
1 answer:
devlian [24]3 years ago
8 0

it dependss on the value of the x

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Solve the system by substitution y=4 2x+3y=-20
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The answer to the question

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How do you solve 5(x+4) = 3x + 23
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<span>5(x+4) = 3x + 23 
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3 years ago
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Help!!!!
joja [24]

Answer:

0.28 yr  

Step-by-step explanation:

To find the doubling time with continuous compounding, we should look at the formula:

FV = PVe^{rt}

FV = future value, and

PV = present value

If FV is twice the PV, we can calculate the doubling time, t

\begin{array}{rcl}2 & = & e^{rt}\\\ln 2 & = & rt\\t & = & \dfrac{\ln 2}{r} \\\end{array}

1. Samuel's doubling time

\begin{array}{rcl}t & = & \dfrac{\ln 2}{0.055}\\\\& = & \textbf{12.603 yr}\\\end{array}

2. Claire's doubling time

\begin{array}{rcl}t & = & \dfrac{\ln 2}{0.05625}\\\\& = & \textbf{12.323 yr}\\\end{array}

3. Samuel's doubling time vs Claire's

12.603 - 12.323 = 0.28 yr

It would take 0.28 yr longer for Samuel's money to double than Claire's.

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4 years ago
Which problem can be solved with this equation?
shtirl [24]

Answer:

I believe the answer is B

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3 years ago
Bill earns £10.50 per hour for the first 20 hours,
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315 dollars. u basically just multiply 10.50 with 30 hours s
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