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Degger [83]
3 years ago
15

Hey, i need help!! Giving brainliest!

Mathematics
1 answer:
marin [14]3 years ago
6 0

Hi I'll talk with you!

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From 1994 to 1995 the sales of a book decreased by 80%. If the sales in 1996 for the same as in 1994, By what percent did the in
zheka24 [161]

Answer:

400%

Step-by-step explanation:

Let the sales be "100" in 1994

Since, it decreased 80%, the sales was:

80% = 80/100 = 0.8

0.8 * 100 = 80 (decreased by 80)

So, it was

Sales in 1995: 100 - 80 = 20

Sales in 1996 was same as in 1994, so that's 100

Thus,

Sales in 1994: 100

Sales in 1995: 20

Sales in 1996: 100

We need to find percentage increase form 1995 to 1996, that is what percentage increase is from 20 to 100?

We will use the formula:

\frac{New-Old}{Old}*100

Where

New is 100

Old is 20

SO, we have:

\frac{New-Old}{Old}*100\\=\frac{100-20}{20}*100\\=4*100\\=400

So, it increased by 400%

3 0
3 years ago
What is the factor tree for 68
alexira [117]
The answer to your question is... 68 / \ 32(times)2 / \ 17(times)2
4 0
3 years ago
What does r equal if -3(2r + 7) = 3
exis [7]

Answer:

r = -4

Step-by-step explanation:

2r + 7 = - 1

2r = - 1 - 7

2r = - 8

7 0
3 years ago
Read 2 more answers
Consider the graph of f(x) given below.
tiny-mole [99]

The functions could represent g(x) is B. g(x) = f(x - 5)

<h3>How can the function be determined?</h3>

Using the general equation g(x) =f(x)+ b

The g(x) has intercept of y=-2,

Then the  y-intercept of f(x) is at y=3

If we find the difference between both y-intercepts, we have

( -2 -3) = -5

Then b=-5

Hence, g(x) = f(x - 5) is correct.

Learn more about the  transformation at

brainly.com/question/4289712

#SPJ1

5 0
2 years ago
Round 89.99 to 1 decimal place
yanalaym [24]

Answer:

90

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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