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pentagon [3]
3 years ago
14

Item 15

Mathematics
1 answer:
Shtirlitz [24]3 years ago
8 0

Answer:

28

Step-by-step explanation:

4*7= 28

when there is a variable (letter next to the number) next to the number like 4a it means 4 multiplied by a. since a is 7, 4 multiplied by 7 is 28.

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Answer:

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Step-by-step explanation:

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2 years ago
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What is the value of x? How can you find the value of y if you know the value of x?
Y_Kistochka [10]

Answer:

ummm it depends on the question for example if they give u a number for a certain variable if u could solve it like y-x=4  what is the value of x if y= 5 ?

5-x=4 so 5-4=1  ans: x= 1

or what is the value of y in terms of x    


6 0
3 years ago
Find the area of a semi circle with a diameter of 28cm
Alexandra [31]

since it has a diameter of 28, then its radius must be half that or 14.

\textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=14 \end{cases}\implies A=\pi (14)^2\implies A=196\pi ~\hfill \stackrel{\stackrel{semi-circle}{half~that}}{98\pi }

8 0
2 years ago
Jamie recently started working as
Mumz [18]

Answer:

B

Step-by-step explanation:

From annual salary of 42,600, we have to subtract the following percentages:

<u>Social Security:</u>

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<u>Medicare:</u>

0.014 * 42,600 = 596.4

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<u>Federal Income Tax:</u>

0.13 * 42,600 = 5538

<u>Total Deductions</u> (from percentages) = 2641.2 + 596.4 + 1278 + 5538 = 10053.6

Now, remaining salary:

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Divided by 12 to get monthly:

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5 0
3 years ago
An article bought a television for 2500 dollars and sold for 2325dollars find a.loss b.loss%​
SpyIntel [72]

Answer:

Loss= $175

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Step-by-step explanation:

First of all, you find the difference between 2500 and 2325 which is 175, as his has decreased, it is a loss of $175

To find the percentage you do the difference over the original amount

So 175/2500 which will give you 0.07

0.07 x 100 will give you 7%

5 0
2 years ago
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