2 years ago

Find the measure of the indicated angle. Round to the nearest tenth.

Mathematics

1 answer:

erik [133]2 years ago

4 0

Answer:

Step-by-step explanation:

cos θ=12/16=3/4=0.75

θ=cos^{-1}(0.75)≈41.4°

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The equation of the parabola with vertex (-5,3), with axis parallel to the x-axis, opening to the right and with x-intercept x =

lutik1710 [3]

Answer:

$x=1(y-3)^2-5$

Step-by-step explanation:

we need to find the equation of the parabola with vertex (-5,3), with axis parallel to the x-axis.

general equation of horizontal parabola is

$x=a(y-k)^2+h$

where (h,k) is the vertex

(-5,3) is the vertex. h=-5 and k=3. plug in the values in the general equation

$x=a(y-3)^2-5$

Now find out the value of 'a' using x intercept (4,0)

$4=a(0-3)^2-5$

$4=a(-3)^2-5$

$4=9a-5$

Add 5 on both sides

$9=9a$

a=1

the equation becomes

$x=1(y-3)^2-5$

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3 years ago

Can someone please help me asap!!??

Bogdan [553]

Answer:

b ) a^7/b^6 is the correct answer

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3 years ago

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If there are 14 boys and 15 girls what is the probability that a boy will get choosen?

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