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Bad White [126]
3 years ago
12

A soccer ball is kicked from ground level. The function y = −12x(x − 4) shows the height (in feet) of the ball, where x is time

(in seconds). After how many seconds will the ball hit the ground?
Mathematics
1 answer:
AfilCa [17]3 years ago
4 0

Answer:

4 seconds

Step-by-step explanation:

On the ground, height = 0

-12x(x - 4) = 0

x = 0, 4

It was on the ground initially at x = 0, and again at x = 4

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Alexander and Matthew go to the movie theater and purchase refreshments for their friends. Alexander spends a total of $60.00 on
soldi70 [24.7K]

Answer:

2x + 9y = 60

10x + 5y = 60

The price of each bag of popcorn is $6.

Step-by-step explanation:

Let each drink costs $x and the price of each bag of popcorn is $y.

So, from the given two conditions we can write two different equations as

2x + 9y = 60 ............... (1) and

10x + 5y = 60 ................. (2)

Now, solving those two equations we get,

5(60 - 9y) + 5y = 60

⇒ 300 - 45y + 5y = 60

⇒ 40y = 240

⇒ y = 6

Therefore, the price of each bag of popcorn is $6. (Answer)

3 0
3 years ago
Is this right?? someone please help!
tatyana61 [14]

Answer:

Your answer is slightly off.

Step-by-step explanation:

The answer that you should have gotten is;

z^2-x=w

z=w+x/z

z^2=w+x

z^2-x=w

You had multiplied z by 2 instead of squaring it.

5 0
4 years ago
The sum of three consecutive odd numbers is -87. What are the numbers?
Katena32 [7]
The three odd consecutive numbers are 27,29,31
6 0
3 years ago
2.
antoniya [11.8K]

Answer:

25 kilograms= 55.1156 pounds

Step-by-step explanation:

8 0
3 years ago
Please help me answer 2 1/4 multiplied by 1/3
Ann [662]
7/12 or 0.583 .......
8 0
3 years ago
Read 2 more answers
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