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3 years ago

Solve for n. 2n^2 = 10n +48

Mathematics

1 answer:

LekaFEV [45]3 years ago

7 0

Answer:

n = -3 or 8

Step-by-step explanation:

2n² = 10n +48 (rearrange)

2n²- 10n - 48 = 0 (divide all terms by 2)

n²- 5n - 24 = 0

by factorization,

(n+3)(n-8) = 0

hence,

n+3 = 0 ----> n = -3

n-8 = 0 ----> n = 8

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16. PHYSICS The formula h = 1201 - 16t2 gives the height h in feet of an object 1 seconds after it is shot upward from

Murrr4er [49]

<h3><u>Question:</u></h3>

The formula h = 120t-16t^2 gives the height h in feet of an object t seconds after it is shot upward from Earth's surface with an initial velocity of 120 feet per second. What will the height of the object be after 6 seconds?

<h3><u>Answer:</u></h3>

The height of object after 6 seconds is 144 feet

<h3><u>Solution:</u></h3>

<em><u>The formula that gives the height of an object is:</u></em>

$h = 120t - 16t^2$

Where,

h is the height in feet and t is the time in seconds

To find: height of the object be after 6 seconds

To find the height of the object be after 6 seconds, substitute t = 6

$h = 120 \times 6 -16(6)^2\\\\h = 720 - 16 \times 36\\\\h = 720 - 576\\\\h = 144$

Thus height of object after 6 seconds is 144 feet

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2 years ago

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pentagon [3]

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3 years ago

What is the LCD of 2/5 and 1/10

Otrada [13]

Answer:

Step-by-step explanation:

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2 years ago

a bag containing some widgets weighing 81 kg. when 2 of the widgets are removed, the weight of the bag drops to 73kg. the bag wi

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First I find the individual widget weight

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2 years ago