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wlad13 [49]
3 years ago
8

Rewrite the following without an exponent. (8/5) -1

Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0

Answer:

5/8.

Step-by-step explanation:

a^-1 = 1/a

So here we have:

(8/5)^-1

= 1/ (8/5)= 5/8.

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What is the ratio of 1:6 and 3:8
butalik [34]

1:6 is the same as 1/6

3:8 is the same as 3/8

6 0
3 years ago
Simplify to create an equivalent expression <br> -4(-11 + 4n) -3(-2n + 9)
Marizza181 [45]

Answer:

-71 + 22n is the equivalent expression.

This is the simplified expression.

Step-by-step explanation:

4(-11 + 4n) -3(-2n + 9)

= -44 + 16n + 6n - 27

= -44 + 22n - 27

= -71 + 22n

7 0
3 years ago
Read 2 more answers
How do I find the length of the side.
ludmilkaskok [199]
Use the Pythagorean theorem /look at the picture/

? = x

1.\\x^2+13^2=28^2\\x^2+169=784\ \ \ |subtract\ 169\ from\ both\ sides\\x^2=615\\\boxed{x=\sqrt{615}}\\\\3.\\x^2+10^2=28^2\\x^2+100=784\ \ \ \ |subtract\ 100\ from\ both\ sides\\x^2=684\\x=\sqrt{684}\\x=\sqrt{36\cdot19}\\x=\sqrt{36}\cdot\sqrt{19}\\\boxed{x=6\sqrt{19}}

5 0
4 years ago
A recipe calls for 2 cups of milk for every 6 1/4 cups of flour. If you increase the flour to 43 3/4 cups, how many cups of milk
balu736 [363]
First you must convert 1/4 to a decimal which is 0.25 then multiply that by 6= 1.5, so for every 1.5 cup of flour, you add 2 cups of milk basically.
If you increase the flower to 43 3/4, you need to again, turn 3/4 into a decimal which is 0.75 and multiply 0.75 by 43 = 32.25, then 32.25 divided by 1.5 = 21.5

CONCLUSION: You will use 21.5 cups of milk!
Hope this helped:))
6 0
4 years ago
Read 2 more answers
A kite flying in the air has a 78-string attached to it, and the string is pulled taut. The angle of elevation of the kite is 52
Basile [38]

Answer:

sine 52 degrees = height / 78

height = 78 * sine 52

height = 78 * 0.78801

height = 61.46478 feet

rounded to nearest tenth 61.5 feet

Step-by-step explanation:

5 0
3 years ago
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