3 years ago

Hey I need help !!!

Mathematics

2 answers:

aleksandrvk [35]3 years ago

8 0

Answer:

Answer is (2, -3)

hope it helps:)

sweet-ann [11.9K]3 years ago

7 0

Answer:

(2, -3)

Step-by-step explanation:

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WITCHER [35]

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I need help on this question!!

elena55 [62]

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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

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

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

Time cannot be negative

Therefore,

t < 6.61

And the inequality used is: $-16t^2 + 1000>300$

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3 years ago

Write the following in standard form: (x-4)^2 = 49

Korolek [52]

Answer:

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3 years ago

Explain what happens when you round 4.999 to the nearest tenth

Reptile [31]

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