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Y_Kistochka [10]

3 years ago

15

I need help with this question. It is a file.

1 answer:

olchik [2.2K]3 years ago

7 0

D because coefficient is the number next to the variable and 7 is the coefficient to the fifth power

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1 2/3 diveid by 4/5?

Rina8888 [55]

Answer:

$\frac{5}{3}$

Step-by-step explanation:

If you would like me to explain let me know in the comments.

6 0

3 years ago

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What is 5 7/20 written as a decimal?

sashaice [31]

Answer:

5.35

Step-by-step explanation:

6 0

3 years ago

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How will the area of the circle change if it is dilated by a scale factor of 1/2? The area will be 2 times greater than the orig

coldgirl [10]

We know that

[scale factor]=1/2
[dilated area of circle]=[original area of circle]*[scale factor]²
so
[dilated area of circle]=[original area of circle]*[1/2]²
[dilated area of circle]=[original area of circle]*[1/4]

therefore

the answer is
<span>The area will be 1/4 the original</span>

7 0

3 years ago

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HELP ME IM SO CONFUSED

givi [52]

Answer:

1) 4812 students
2) 763 pounds
3) $30906.76

Step-by-step explanation:

1)

Initial number = 2988
Rate of increase = 10%

<u>Number of students after 6 years:</u>

$a_6 = 2988(1+0.1)^{6-1} = 4812$

2)

Initial number = 1200
Rate of decrease = 14%

<u>Amount of gold after 4 years:</u>

$a_4=1200(1-0.14)^3 = 763$

3)

Initial number = 28000
Rate of increase = 2.5%

a)

<u>Salary after n years:</u>

$a_n=28000(1+0.025)^{n-1} = 28000*1.025^{n-1}$

b)

<u>Salary in the 5th year:</u>

$a_5=28000*1.025^4 = 30906.76$

6 0

2 years ago

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Please help me! Math

erastova [34]

A. 3/2
b.0.5
c.you have to add them

3 0

3 years ago