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Darina [25.2K]
2 years ago
12

Help me with this question please

Mathematics
1 answer:
Rom4ik [11]2 years ago
5 0

Answer:

A

Step-by-step explanation:

5 is the hypotenuse, 3  is the opposite side, and 4 is the adjacent side. Thus, the cosine of A is adjacent/hypotenuse, hence 4/5.

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What is the value of w?<br> A.52.5 <br> B.75<br> C.40 <br> D.100
malfutka [58]
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The answer is = B. 75 
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Prism Volume answer from computer software.
photoshop1234 [79]
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6 0
3 years ago
10•1/2+(-6)(-3) Simplified in steps
dangina [55]

Answer:

23

Step-by-step explanation:

1)  (10*0.5)+(-6*-3)

2) (5)+(18) (The 18 isn't negative because of the rule that states "A negative and a negative will become positive"

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7 0
3 years ago
Find the sum. Express your answer in simplest form. 9a^2-5/b^2+2 + -2a^2+4/b^2+2
KonstantinChe [14]

Answer:

Step-by-step explanation:

\frac{9a^{2}-5}{b^{2}+2}+\frac{-2a^{2}+4}{b^{2}+2}=\frac{9a^{2}-5-2a^{2}+4}{b^{2}+2}\\\\=\frac{9a^{2}-2a^{2}-5+2}{b^{2}+2}\\\\=\frac{7a^{2}-3}{b^{2}+2}

5 0
2 years ago
:
sergij07 [2.7K]

For this case we have the following arithmetic sequence:

a_ {n} = 15 + 5 (n-1)

To write in function form, we apply distributive property to the terms within parentheses:

f (n) = 15 + 5n-5

Different signs are subtracted and the major sign is placed.

We simplify:

f (n) = 5n + 10

Answer:

f (n) = 5n + 10

Option C

4 0
3 years ago
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