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Mama L [17]
3 years ago
15

Find h(2) if h(x) = -16x2 + 32x

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

0

Step-by-step explanation:

h(x) = -16x^2 + 32x

Let x= 2

h(2) = -16(2)^2 + 32(2)

     = -16(4) +64

      =0

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=184.87 \div 1.5\\=123.25$ km/hr\\\approx 123$ km/hr (correct to three significant figures)

(b)Flight Direction of Y

Using Law of Sines

\dfrac{p}{\sin P} =\dfrac{q}{\sin Q}\\\dfrac{125}{\sin P} =\dfrac{184.87}{\sin 110}\\123 \times \sin P=125 \times \sin 110\\\sin P=(125 \times \sin 110) \div 184.87\\P=\arcsin [(125 \times \sin 110) \div 184.87]\\P=39^\circ $ (to the nearest degree)

The direction of flight Y to the nearest degree is 39 degrees.

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