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Shalnov [3]
3 years ago
7

A large explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 96 feet per second. T

he function h(t) = 96 t − 16 t 2 gives the height of the falling debris above the ground, in feet, t seconds after the explosion. A) Use the given function to find the height of the debris 2 second(s) after the explosion: Answer: After 2 second(s), the height is 112 Incorrect feet.
Mathematics
1 answer:
Vladimir [108]3 years ago
5 0

Answer:

the height after 2 seconds will be 128 feet

Step-by-step explanation:

Data provided in the question:

Initial velocity = 96 feet per second

The function of height of falling debris above the ground is given as:

h(t) = 96t - 16t²

A) To find height after time t = 2 seconds

substituting the value of time in the above function, we get

h(t) = 96 × 2 - 16 × 2²

or

h(t) = 192 - 16 × 4

or

h(t) = 192 - 64

or

h(t) = 128 feet

Hence,

the height after 2 seconds will be 128 feet

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3 0
3 years ago
PLS HELP Choose the solution to this inequality. 43&lt;−83y y &lt; −12 y &gt; 12 y &lt; 43 y &gt; 4
OlgaM077 [116]

Given:

The inequality is:

\dfrac{4}{3}

To find:

The solution of the given inequality.

Solution:

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\dfrac{4}{3}

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\dfrac{4}{-8}>\dfrac{-8y}{-8}

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Therefore, the correct option is A.

8 0
3 years ago
Divide 42 in a ratio of 1:2:3?
Cloud [144]
Ratio 1:2:3 means we have x, 2x and 3x as the three parts

x+2x+3x = 42
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Dividing 42 into the ratio of 1:2:3 means we have 7:14:21 as the answer

If we divide all three parts of 7:14:21 by the GCF 7, we reduce it down to 1:2:3

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LekaFEV [45]
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3 years ago
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Sonja [21]

Answer:

D

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Finally, z is just z it can't be taken out so it stays inside the radical.

Hope that helps!

8 0
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