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vladimir1956 [14]

3 years ago

7

The scatter plot below shows one class of Spanish students’ time spent studying for their final versus the grade that they earne

d on the final. If a student studies for 75 minutes, what is the best estimate for his or her grade?
A.100
B.90
C.45
D.75

1 answer:

Archy [21]3 years ago

8 0

I think is C I’m not sure

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Round Ed to the nearthest tenth and answer now question

Vikki [24]

Answer:

$y = 9.1$

Step-by-step explanation:

y can be found using the Law of sines as explained below:

m < Y = 106°

m < X = 58°

WY = x = 8

WX = y = ?

Thus,

$\frac{x}{sin(X)} = \frac{y}{sin(Y)}$

$\frac{8}{sin(58)} = \frac{y}{sin(106)}$

$\frac{8}{0.848} = \frac{y}{0.961}$

Multiply both sides by 0.961 to solve for y

$\frac{8}{0.848}*0.961 = \frac{y}{0.961}*0.961$

$\frac{8*0.961}{0.848} = y$

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