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3 years ago

Ginger mows 3/4 acre in 1 3/4 hours. What is her unit rate of acres mowed per hour?

Mathematics

1 answer:

vesna_86 [32]3 years ago

7 0

9514 1404 393

Answer:

3/7 acres per hour

Step-by-step explanation:

To find acres mowed per hour, divide acres mowed by hours:

(3/4 ac)/(1 3/4 h) = (3/4)/(7/4) ac/h = 3/7 ac/h

Ginger's unit rate is 3/7 acres per hour.

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3 years ago

Read 2 more answers

Please help!! With step by step

Sever21 [200]

Answer:

$R=\$145.12$

Step-by-step explanation:

<u>Compound Interest</u>

This is a well-know problem were we want to calculate the regular payment R needed to pay a principal P in n periods with a known rate of interest i.

The present value PV or the principal can be calculated with

$P=F_a\cdot R$

Solving for R

$\displaystyle R=\frac{P}{F_a}$

Where Fa is computed by

$\displaystyle F_a=\frac{1-(1+i)^{-n}}{i}$

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Thus, each payment is

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$\boxed{R=\$145.12}$

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3 years ago

In a music competition, a participant has to score a total of at least 40 points in the first four rounds combined to move on to

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vaieri [72.5K]

Answer:

(-4, -1/2)

Step-by-step explanation:

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$( \frac{ - 5 + ( - 3)}{2} \frac{ - 4 + 3}{2} )$

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3 years ago