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2 years ago

Find X to the nearest tenth.A) 9.3B) 9.4C) 9.5

Mathematics

2 answers:

hodyreva [135]2 years ago

7 0

Answer:

Choice B is correct answer.

Step-by-step explanation:

From question statement, we observe that

Perpendicular = x

Hypotenuse = 10

∅ = 70°

We have to find the value of x.

Since we know that sin∅= perpendicular/hypotenuse

Putting the values in above formula,we get

sin70°= x/10

Multiplying above equation by 10,we get

10sin70° = (x/10)10

10sin70° = x

x = 10×.9396

x = 9.396≈9.4

Hence, the value of x is 9.4

antoniya [11.8K]2 years ago

4 0

Answer:

Second choice

Step-by-step explanation:

The unknown leg x in right triangle is opposite to the angle of the measure 70°.

Use the definition of the sine of the angle:

$\sin 70^{\circ}=\dfrac{\text{opposite leg}}{\text{hypotenuse}}=\dfrac{x}{10}.$

Hence,

$x=10\sin 70^{\circ}\approx 9.4.$

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