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never [62]
3 years ago
12

3. If an object is dropped from a height of 100 ft, the function h(t) = -16f+

Mathematics
1 answer:
Sliva [168]3 years ago
7 0

Answer:

When t = 25/4 the object his the ground.

Step-by-step explanation:

When the object hit the ground, the distance from it to the ground (or height) will be 0.

Thus,

if when the object touch the ground is when h = 0 then h(t) = 0

So we can set up this equation :

0 = -16t + 100

-100 = - 16t

-100/-16= 25/4 = t

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Answer:  x \ge -3

Explanation:

Follow PEMDAS in reverse to undo what's happening to x.

We first add 1 to both sides, then divide both sides by 5 to fully isolate x.

Refer to the steps below to see what I mean.

-1 + 5x \ge -16\\\\5x \ge -16+1\\\\5x \ge -15\\\\x \ge -15/5\\\\x \ge -3\\\\

The inequality sign stays the same the entire time. The only time it flips is when you divide both sides by a negative number.

The solution set for x is anything -3 or larger.

If x was an integer, then we could say the solution set is {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, ...}

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2 years ago
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3 years ago
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Step-by-step explanation:

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5 0
2 years ago
60 is x% of 12. Find the value of x.
Liula [17]

Answer:

20

Step-by-step explanation:

We can set up a percentage proportion to find the value of x.

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Now we cross multiply:

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Hope this helped!

4 0
3 years ago
Add.<br> -3 + (-4) <br><br> And <br><br> 4 pluse (-3)
Softa [21]

Answer:

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Step-by-step explanation:

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