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Elis [28]
2 years ago
9

the height of a projectile launched upward at a speed of 32 feet/second from a height of 128 feet is given by the function h(t)

= -16tx^{2} + 32t+128. how long will it take the projectile to hit the ground ?
Mathematics
1 answer:
OLga [1]2 years ago
6 0

Answer:

It would take the projectile 4 seconds

T = 4

Step-by-step explanation:

g = 32 feets/ seconds (s)

s = 128 feet

t = ?

g = <u>s</u>

g = s t

32 = <u>12</u><u>8</u>

t

Cross multiply

32t = 128

t = <u>12</u><u>8</u>

32

t = 4 seconds

<u>MARK</u><u> </u><u>BRAINLIEST</u><u> </u>

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Read 2 more answers
Find all possible values of b such that 4x² + bx + 3 can be factored. Check all that apply.
aleksklad [387]

The possible values of b are 7 and 8

<h3>How to determine the possible values of x?</h3>

The expression is given as:

4x² + bx + 3

Next, we test the options to determine the values of b

<u>Option 1: b = 13</u>

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<u>Option 2: b = 7</u>

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Expand

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So, we have:

4x² + x + 3 ---- this cannot be factorized

Hence, the possible values of b are 7 and 8

Read more about factorized expressions at:

brainly.com/question/723406

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