2 years ago

5a - 3a + 2a simplify expression

Mathematics

2 answers:

bija089 [108]2 years ago

7 0

The answer is 0
5a-3a+2a
2a-2a
0

zalisa [80]2 years ago

5 0

4a is the answer I believe you’re looking for

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Which expressions can be used to find m∠ABC? Check all that apply.

valina [46]

Answer:

$\cos^{-1}(\frac{6.3}{9.8})$

$\sin^{-1}(\frac{7.5}{9.8})$

Step-by-step explanation:

Recall the mnemonics SOH-CAH-TOA

The sine ratio is the length of the opposite side expressed over the hypotenuse.

$\sin m\angle ABC=\frac{7.5}{9.8}$

Take the sine inverse of both sides to get;

$m\angle ABC=\sin^{-1}(\frac{7.5}{9.8})$

The cosine ratio is the length of the adjacent side expressed over the hypotenuse.

$\cos m\angle ABC=\frac{6.3}{9.8}$

Take the cosine inverse of both sides to get;

$m\angle ABC=\cos^{-1}(\frac{6.3}{9.8})$

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Answer:

Step-by-step explanation:

Use the rise over run formula

y2-y1/x2-x1

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2 years ago

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Step-by-step explanation:

0.09w + 1.8 = 0

0.09w = 0 - 1.8

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irina [24]

Answer:

a = b + k + u

Step-by-step explanation:

hope this helps

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