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zubka84 [21]
2 years ago
5

The height of an object dropped from the top of a 144 foot- building is given by h(t)= -16 square +144. How long will it take th

e object to hit the ground?
Mathematics
1 answer:
Nostrana [21]2 years ago
3 0

Answer:

3 seconds

Step-by-step explanation:

0 = -16x² + 144

-144 = -16x²

9 = x²

3 = x

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The radius of a circle is 3.9 in. Find the circumference to the nearest tenth.
masha68 [24]

Answer:

C = 24.5 in

Step-by-step explanation:

Formula to find the circumference of a circle is :

C = 2πr

Here,

r ⇒ radius

So let us solve now.

C = 2πr

C = 2 × π × r

C = 2 × 3.14 × 3.9

C = 24.492 in

So, they've asked for nearest 10th.

Therefore, the answer will be 24.5 in.

Hope this helps you :-)

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8 0
2 years ago
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Akira and her puppy are both dressing up as superheroes for Halloween this year. Akira needs 1 yard of cloth for her cape. She a
Ahat [919]

The feet of cloth that she should buy for the capes is 4 feet.

<h3>How many feet should she buy?</h3>

The mathematical operations that would be used to determine the answer are addition and multiplication.

Addition is the process of summing two or more numbers together. Multiplication is the process of determining the product of two or more numbers.

The first step is to convert yard to feet

According to the unit of conversion : 1 yard = 3 feet

1 x 3 = 3 feet

The second step is to add the feet needed for Akira's cape with the foot needed for the puppy's cape

Total feet needed = 3 + 1 = 4 feet

To learn more about addition, please check: brainly.com/question/349488

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8 0
1 year ago
13 Select the correct answer from the drop-down menu. Fill in the correct term to complete the statement. You can withdraw money
tia_tia [17]

Answer:

debit card

Step-by-step explanation:

8 0
2 years ago
John joined a gym for 6 months. He pays 20$ per month plus a membership fee. If his bill is 150$, what was the membership fee?
Jlenok [28]

Answer:

Step-by-step explanation:

If he's been at the gym for 6 months, and he is charged $20 each month, then he has paid $120 dollars, not counting his membership fee. His total bill is $150.

150-120= $30

His membership fee was $30.

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3 0
3 years ago
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Olivia has taken an initial dose of a prescription
mrs_skeptik [129]

Answer:

  0.56 milligrams

Step-by-step explanation:

Put 6 where t is and do the arithmetic.

  M(6) = 50·e^(-0.75·6) = 50·e^-4.5 ≈ 0.56 . . . . milligrams

8 0
3 years ago
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