3 years ago

Which of the following is the additive inverse of 1/2

1 answer:

8 0

Answer:

There is no additive inverse only a multiplication because 1/2 is division so you have to do multiplication. But the answer to that is 2.

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fgiga [73]

Answer:

Step-by-step explanation:

Use the sine ratio in the left, right triangle to find the common side to both triangles and the exact values

sin60° = $\frac{\sqrt{3} }{2}$ , cos45° = $\frac{1}{\sqrt{2} }$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{opp}{7\sqrt{3} }$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2 × opp = 21 ( divide both sides by 2 )

opp = $\frac{21}{2}$

Now consider the right triangle on the right, using the cosine ratio

cos45° = $\frac{adjacent}{hypotenuse}$ = $\frac{\frac{21}{2} }{x}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

x = $\frac{21}{2}$ × $\sqrt{2}$ = $\frac{21\sqrt{2} }{2}$ → C

5 0

2 years ago

melisa1 [442]

The correct answer is 2a^2

8 0

3 years ago

Juliette [100K]

5 consecutive numbers that add up to 120 are:
22, 23, 24, 25, 26

As you can see the third term is 24.
The answer is 24

Hope it helps :)

4 0

2 years ago

jenyasd209 [6]

Answer: 18
Steps:
.75(8+16)
.75(24)
18

8 0

3 years ago

Katarina [22]

Answer:

yes a

Step-by-step explanation:

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2 years ago