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3 years ago

85% of what number is 68

Mathematics

2 answers:

Nataly [62]3 years ago

6 0

Hi

85% ⇒ 68
100% ⇒ x

85x = 100·(68)
85x = 6800
x = 6800/85
x = 80

Answer: 80

Korolek [52]3 years ago

6 0

We set up a proportion: 68/?= 85/100

Cross multiply: 85*?= 68*100
⇒ ?= 68*100/85= 80

85% of 80 is 68.

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3 years ago

Archie builds a pool in his backyard. The pool measures 16 yards long, 6 yards wide and 2 yards deep. How many gallons of water

Papessa [141]

Answer:

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Step-by-step explanation:

He builds a pool in his backyard .The pool measures 16 yards long, 6 yards wide and 2 yards deep. The pool is a rectangular prism. The number of gallons it can take to fill the pool can be calculated when we know the volume of the pool. Therefore,

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3 years ago

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babunello [35]

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3 years ago

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Drupady [299]

Answer:

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6 0

3 years ago

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

3 0

3 years ago