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Mathematics

1 answer:

LuckyWell [14K]3 years ago

5 0

Answer:
10√3 which is the last option

Explanation:
√30 * √10 = (30*10)^1/2
= 300^1/2

300 = 100 * 3
Therefore:
√300 = √100 * √3 = 10√3

Hope this helps :)

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(-8,-2) and (-4, 6) what is y? HELP PLEASE THANK YOU!

Thepotemich [5.8K]

Answer:

The y’s are the numbers in the right (the second ones) -2,6.

Step-by-step explanation:

4 0

3 years ago

2(4x+5)-2=2x+44? a.6 b.19/3 c.41/6 d.26/3

Nastasia [14]

8x+10-2= 2x+44
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so A is the correct answer :)

8 0

3 years ago

Read 2 more answers

An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the

DedPeter [7]

The inequality can be used to find the interval of time taken by the object to reach the height greater than 300 feet above the ground is:

$d = -16t^2 + 1000$

Solution:

The object falls, its distance, d, above the ground after t seconds, is given by the formula:

$d = -16t^2 + 1000$

To find the time interval in which the object is at a height greater than 300 ft

Frame a inequality,

$-16t^2 + 1000 > 300$

Solve the inequality

Subtract 1000 from both sides

$-16t^2 + 1000 - 1000 > 300 - 1000\\\\-16t^2 > -700$

$16t^2 < 700\\\\Divide\ both\ sides\ by\ 16\\\\t^2 < \frac{700}{16}\\\\Take\ square\ root\ on\ both\ sides\\\\t < \sqrt{\frac{700}{16}}\\\\t < \pm 6.61$