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lesya [120]
3 years ago
15

A number to the 8th power divided by the same number to the 5th power equals 512. What is the number?

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0

Answer:

8

Step-by-step explanation:

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Bob decided to go to college, the cost of going to school will be $4,474 per semester, (there are 2 semesters per year) plus $38
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

1 semester = 4474

8 semester = 8* 4474                    35792

1 semester books = 389

8 semester books = 8* 389            <u> 3112 </u>

Total                                                38904  

If he is going to pay this off in 10 years, he would have to have an increase of 3890.40 (after all income taxes) to pay it off. Fewer years would mean dividing by the number of years.

So for 8 years for example, he would need 4863 every year.

That number is obtained by dividing 38904 / 8

In 6 years he would need

38904/6 = 6484 extra dollars.        

5 0
3 years ago
If 2/9 of the students in a school are in 6th grade, then how
sveticcg [70]

Answer:

231

Step-by-step explanation:

\frac{2}{9} =\frac{42}{x}

42÷2= 21

9×21= 189

189 students total

42 6th graders

5 0
3 years ago
Read 2 more answers
Peter practices violin for a total of 55 minutes over the weekend he practices for 25 minutes on Saturday how many minutes does
Bess [88]

Answer:

30 minutes.

Step-by-step explanation:

55 - 25 = 30

Hope this helped, have a great day/night!

3 0
3 years ago
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Which statements are true about the x-intercepts of quadratic functions?
oksano4ka [1.4K]

Answer:

A quadratic function can have up to two x-intercepts.

An x-intercept of a quadratic function is also called a zero of the function.

Step-by-step explanation:

None needed.

8 0
3 years ago
Find the equation of the line passing through (1,3) and perpendicular to y=-4/3-2​
Effectus [21]

Answer:

x=1

Step-by-step explanation:

Find the negative reciprocal of the slope of the original line and use the point-slope formula.

3 0
3 years ago
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