3 years ago

Variables on both sides 4x + 9 = 2x + 13

Mathematics

1 answer:

Vinvika [58]3 years ago

8 0

Answer:

x = 2

Step-by-step explanation:

i guess

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Marisol has 5 times as many books as jerry. Jerry has 15 books. How many more books does marisol have

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2 years ago

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ddd [48]

Answer:

Step-by-step explanation:

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2 years ago

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3 years ago

Read 2 more answers

Find the percent of increase or decrease?<br> N to 4/5n?

d1i1m1o1n [39]

Answer:

Decrease by 20%.

Step-by-step explanation:

We have to find the percent of increase or decrease from n to $\frac{4}{5}n$ .

Now, $\frac{4}{5}n = 0.8n < n$

So there is a decrease fro n to $\frac{4}{5}n$ .

Now, the percentage of decrease will be given by

= $[ \frac{\textrm {Original Value - Final Value}}{\textrm {Original Value}}]\times 100 \%$

= $[ \frac{n - 0.8n}{n}]\times 100 \%$

= 20% (Answer)

8 0

3 years ago