2 years ago

4.2 Weekend Earnings (Will get brainlyest ¡ please respond)

Mathematics

1 answer:

Pachacha [2.7K]2 years ago

8 0

Answer:

Step-by-step explanation:

12.20h-7.15=E

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2 years ago

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13) What is the simple interest and total amount earned on $4345 with an interest rate of

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Answer:

173.80 interest, 4518.80 total

Step-by-step explanation:

4345 X .03(3%)=130.35/year

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3 years ago

A line, y = mx + b, passes through the point (1, 6) and is parallel to

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3 years ago

If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.

Ksivusya [100]

Based on the calculations, the unknown number is equal to $\frac{-45}{7}$

Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

$21 +x$

Multiplying the result by 3:

$3\times (21+x)$

84 more than two-thirds of the unknown number:

$\frac{2x}{3} +84$

Equating the equations, we have:

$3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84$

Cross-multiplying, we have:

$43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}$

Read more on word problems here: brainly.com/question/13170908

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2 years ago

Round 3,047 to the nearest hundredth

Aleksandr-060686 [28]

It should be 3,000
------------------------

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3 years ago