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Y_Kistochka [10]
3 years ago
12

$45.00 iPod shuffle 1GB

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
7 0

Answer:

$44.55

Step-by-step explanation:

10% of 45 is 4.5

45 * 0.1 = 4.5

So subtract 4.5 from 45

45 - 4.5 = 40.5

Now get 10% of 40.5

40.5 * 0.1 = 4.05

Add 4.05 to 40.5

4.05 + 40.5 = 44.55

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in an exam 90% students passed if the 15 student fail find the number of students appeared in the examination​
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Answer:

150

Step-by-step explanation:

15 fail

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15=10 percent

135=90 percent

150

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What is the mean of 85,97,84,88,95,100,81
Dahasolnce [82]

Answer:

90

Step-by-step explanation:

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2 years ago
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When 5 times a number is added to 45 the answer is the sm of 85 and 140 what is the number
zimovet [89]

Hello.

First, let the number be r.

5 times r is written like this:

\rm{5r}

Now, add 45:

\mathrm{5r+45}

Now, the sum of 5r+45 is equal to the sum of 85 and 140:

\mathrm{5r+45=85+140}

In order to solve this equation, we need to add 85 and 140:

\mathrm{5r+45=225}

Now, subtract 45 from both sides:

\mathrm{5r+45-45=225-45}

\mathrm{5r=225-45}

\mathrm{5r=180}

The last step is to divide both sides by 5:

\mathrm{r=36}

Therefore, the answer is

\rm{r=36}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

8 0
2 years ago
The perimeter of a rectangle is 60. The length is 10 more than the width. find the length and width
Elenna [48]

Answer:

Width is 10  Length is 20

Step-by-step explanation:

Perimeter = 60

Length = W + 10

P = 2L + 2W                      Write the equation for perimeter

60 = 2(W + 10) + 2W         Substitute your variables

60 = 4W + 20

- 20          - 20                Subtract 20 from both sides

40 = 4W                        Divide both sides by 4

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8 0
3 years ago
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maxonik [38]

2x+3=2

Correct me if I'm wrong.

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