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3 years ago

Which equation show you how to find 16-9

Mathematics

2 answers:

Elis [28]3 years ago

8 0

To find the result of 16-9 you could do 9+_=16 so 16-9=7

natima [27]3 years ago

3 0

7+9=16 you can use that cause that is the opposite equation

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3 years ago

If b

lys-0071 [83]

Answer:

$46.2^o$

Step-by-step explanation:

The correct question is

If b = 9 and c = 13, what is the measure of ∠A? (round to the nearest tenth of a degree)

The picture in the attached figure

we know that

In the right triangle ABC

$cos(A)=\frac{b}{c}$ ---> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

$cos(A)=\frac{9}{13}$

using a calculator

$A=cos^{-1}(\frac{9}{13})=46.2^o$

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3 years ago

Help ! I’ll mark you brainly

Helga [31]

Answer:

There you go :)

Hope this helped you

Red

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3 years ago

Simplify (5x3 + 7x – 8) + (2x3 – 5x2 – x + 3). Choose the standard form of the answer.

qwelly [4]

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6 0

3 years ago

What are the factors of the expression below? x2-16

Gekata [30.6K]

Answer:

Step-by-step explanation:

=(x+4)(x-4)

=x^2-4x+4x-16

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2 years ago