3 years ago

PLEASE HELP!!!!

Mathematics

1 answer:

Burka [1]3 years ago

7 0

I think it is negative five

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Step-by-step explanation:

There are 3 feet in one yard 39 divided by 3 is 13. So 39 feet is 13 yards

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3 years ago

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Which trigonometric ratio is correct for triangle DEF? (Hint: Use Pythagorean Theorem first) A.) Sin(D)= 24/7 B.) Tan(D)= 24/25

Tanya [424]

Answer:

Cos E= 24/25

Step-by-step explanation:

Length of hypotenuse: 7^2+24^2=625. 625 square root=25

Thus, DE is 25.

Sin D= 24/25, so that is false.

Tan D= 24/7, so that is false.

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Sin E= 7/25, so that is false.

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3 years ago

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Step-by-step explanation:

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3 years ago

Select the correct answer.

Afina-wow [57]

Answer:

$d)\ \frac{81}{m^{7}}$

Step-by-step explanation:

$(3m^-4)^3(3m^5)$

First, simplify $(3m^{-4})^3$ :

$(3m^{-4})^3\\\\3^3*m^{-4*3}\\\\27m^{-12}$

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Hope this helps!

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2 years ago