3 years ago

HELP TIMED BRAINLIST

Mathematics

2 answers:

Charra [1.4K]3 years ago

6 0

I believe it would be the third option

stiks02 [169]3 years ago

5 0

Answer:

Step-by-step explanation:

have a great day!

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Find the percent as a fraction. Simplify if possible. 33 1/3%

attashe74 [19]

Answer:

The answer would be 100/3

Step-by-step explanation:

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3 years ago

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What is the inverse of y = 2x^2 – 8?

Novosadov [1.4K]

$y = 2x^2 - 8 \\ 2x^2 = y + 8 \\ x^2 = \frac{y+8}{2} \\ x = \sqrt{\frac{y+8}{2}} \\ f^{-1} (x)=\sqrt{\frac{x+8}{2}}$

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rusak2 [61]

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2 years ago

Find the size of angle xyz give your answer to 3 significant figures

KengaRu [80]

Answer:

68.2°

Step-by-step explanation:

This is a right triangle, so we can use SIN,COS,TAN to solve for the angle.

We want ∠YXZ

THe side opposite to the angle is given as 20

The side adjacent to the angle is given as 8

Which trig ratio relates "opposite" and "adjacent"??

It is Tan!!

Thus, we can write:

$Tan(\angle YXZ)=\frac{20}{8}\\Tan(\angle YXZ)=\frac{5}{2}\\Tan(\angle YXZ)=2.5\\\angle YXZ = ArcTan(2.5)\\\angle YXZ = 68.2$

THis is the angle

68.2°

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3 years ago

In ΔEFG, the measure of ∠G=90°, EG = 11, FE = 61, and GF = 60. What ratio represents the sine of ∠F?

lapo4ka [179]

Answer:

sinF = $\frac{11}{61}$

Step-by-step explanation:

sinF = $\frac{opposite}{hypotenuse}$ = $\frac{EG}{FE}$ = $\frac{11}{61}$

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3 years ago