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4 years ago

8ths on division pls help me I really need it

Mathematics

2 answers:

RideAnS [48]4 years ago

8 0

2 , 5 , 9 , 4 , 10 , 3 , 6 , 7 , 8 , 1
10 , 7 , 3 , 9 , 8 , 5 , 1 , 9 , 2 , 6
5 , 1 , 3 , 6 , 4 , 9 , 2 , 5 , 7 , 8

expeople1 [14]4 years ago

6 0

I'm going from left to right.
1. 2 2. 5 3. 9 4. 4 5. 10 6. 3 7. 6 8. 7 9. 8 10. 1 11. 10 12. 7 13. 3 14. 9 15. 8 16. 5 17. 1 18. 4 19. 2 20. 6 21. 5 22. 1 23. 3 24. 6 25. 4 26. 9 27. 2 28. 5 29. 7 30. 8

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A square has sides of length 2m + 1 divided by 2 units find the perimeter of the square

Lelechka [254]

Answer:

4m +2

Step-by-step explanation:

The perimeter of a square is 4 times the length of the side:

$P=4\times\dfrac{2m+1}{2}=2(2m+1)=4m+2$

The perimeter of the square is 4m+2 units.

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3 years ago

What is the circumference of a circle with a radius of twelve inches, in terms of pi?

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3 years ago

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Answer. it fast please

mojhsa [17]

Answer:

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{1}{15}$

Step-by-step explanation:

Given

$(\frac{6}{10})^3 * (\frac{5}{9})^2$

Required

Solve:

$(\frac{6}{10})^3 * (\frac{5}{9})^2$

Simplify 6/10

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = (\frac{3}{5})^3 * (\frac{5}{9})^2$

Express 9 as 3^2

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = (\frac{3}{5})^3 * (\frac{5}{3^2})^2$

Apply law of indices

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{3^3}{5^3}* \frac{5^2}{(3^2)^2}$

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{3^3}{5^3}* \frac{5^2}{3^4}$

Express as a sing;e fraction

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{3^3*5^2}{5^3*3^4}$

Apply law of indices:

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{1}{5^{3-2}*3^{4-3}}$

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{1}{5^1*3^1}$

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{1}{5*3}$

$(\frac{6}{10})^3 * (\frac{5}{9})^2 = \frac{1}{15}$

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3 years ago

Lily invested $750 in a savings account and earned $225 in interest at the end of 5 years.

slava [35]

After 5 years Lily has $750+$225 = $975
The equation for interest rate looks like:
750 * x^5 = 975
x^5 = 975/750
x^5 = 1.3
x = $\sqrt[5]{1.3}$
x = 1,0538
That means that interest rate is approximately 5,5% (B)

The reason for this calculation is because each year you multiply your money with interest rate and add that to your starting money.
After one year you will earn
750 + 750 * interest rate = money after 1 year.
After 5 years we multiply 5 times so our interest rate is x^5 and money after 5 years is 750 + 225.

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3 years ago

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