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nlexa [21]
3 years ago
8

I need help, i don’t understand how to do it

Mathematics
1 answer:
3241004551 [841]3 years ago
3 0
Hai , you can use Pythagoras Theorem to find the length which is hypotenuse.

It will be 7^2 + 3^2 = 58

square root 58 and you will get 7.62

Hope this helps and i am sorry if my answer was wrong .
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Rod's scores on 4 history tests are 88,96,98,and 90. What score does he need on the fifth test to have a mean score of 94 on all
aleksandrvk [35]
(88+96+98+90+x)/5=94
Add all the numbers
(372+x)/5=94
Multiply both sides by 5
372+x=470
Subtract 372 from both sides
x=98

Double check:
88+96+98+90+98=470/5=94

Hope that helps

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Multiply and simplify. 2x4yx⋅6xy2z3
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