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torisob [31]
3 years ago
12

What is 25% of 40? Show Work please

Mathematics
2 answers:
goldenfox [79]3 years ago
7 0

25% = 1/4

1/4(40)

Divide 40 by 4 to remove the 1/4

10

25% of 40 is 10.

umka21 [38]3 years ago
3 0

25% is the same thing as 1/4.

So what is 1/4 of 40?

(1/4)*(40) = 40/4 = 10

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olga2289 [7]

The image of X after the dilation is (a) (4, 0)

<h3>How to determine the image of X?</h3>

From the figure, the coordinates of X are given as:

X = (4, 0)

The dilation is given as:

Do,1

This means that we dilate X across the origin by a scale factor of 1.

So, we have:

X' = 1 * (4 - 0, 0 - 0)

Evaluate

X' = (4, 0)

Hence, the image of X after the dilation is (a) (4, 0)

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2 years ago
Breaking apart 6×6 to find product
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I think it would be 3 
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3 years ago
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A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.
erastovalidia [21]

Answer:

C: 4

Step-by-step explanation:

You call the number x. Then you do (x-7) * 3= -9.

3x-21=-9

3x=12

x=4

5 0
3 years ago
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Use prime factorization to find gcf of 57 and 27
Vadim26 [7]
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4 0
3 years ago
Simone invests 1200 into two savings accounts. One account earns 4% annual interest and the other earns 5.9% annual interest. At
Allisa [31]

Answer: He invested $350 at 4% and $850 at 5.9%

Step-by-step explanation:

Let x represent the amount which he invested in the account earning 4% interest.

Let y represent the amount which he invested in the account earning 5.9% interest.

Simone invests 1200 into two savings accounts. One account earns 4% annual interest and the other earns 5.9% annual interest. This means that

x + y = 1200

The formula for determining simple interest is expressed as

I = PRT/100

Considering the account earning 4% interest,

P = $x

T = 1 year

R = 4℅

I = (x × 4 × 1)/100 = 0.04x

Considering the account earning 5.9% interest,

P = $y

T = 1 year

R = 5.9℅

I = (y × 5.9 × 1)/100 = 0.059y

At the end of 1 year, Simon earned 64.15 in interest. it means that

0.04x + 0.059y = 64.15 - - - - - - - - -1

Substituting x = 1200 - y into equation 1, it becomes

0.04(1200 - y) + 0.059y = 64.15

48 - 0.04y + 0.059y = 64.15

- 0.04y + 0.059y = 64.15 - 48

0.019y = 16.15

y = 16.15/0.019

y = 850

x = 1200 - y = 1200 - 850

x = 350

7 0
3 years ago
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