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ELEN [110]
3 years ago
6

Joe created a video that was originally 77 minutes long. He ended up cutting is by 15%. How long was his video after he cut it?

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
5 0

Answer:

65.45

Step-by-step explanation:

because I did the question

OLga [1]3 years ago
4 0

Answer:

65.45 minutes

Step-by-step explanation:

First you have to turn 15% into a decimal. 15% as a decimal is 0.15. Then, you have to multiply 77 and 0.15 which gives you 11.55. Lastly, you subtract 11.55 from 77. This gives you your answer: 65.45 minutes.

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A rectangular pool is 20 feet wide and 50 feet long. A deck used for sunning surrounds the pool. The deck is the same width all
rodikova [14]

Answer:

  3 feet

Step-by-step explanation:

Let x represent the width of the deck. The deck adds to the pool dimensions on both sides, so the area of the site including pool and deck will be ...

  A = (20 +2x)(50 +2x) = 1000 +140x +4x^2

The area of the pool alone is

  A = (20)(50) = 1000

So, the area of the deck is the difference:

  456 = (4x^2 +140x +1000) -(1000)

Dividing by 4 and subtracting 114, we have ...

  x^2 +35x -114 = 0

  (x -3)(x +38) = 0

Solutions to this are x = 3 and x = -38. The positive solution is the one of interest.

The deck is 3 feet wide.

4 0
2 years ago
How do you solve for x?
den301095 [7]
What? can u show a pic of the question
3 0
3 years ago
Will give BRAINLIEST to the explanation that gives the most sense!!
Oxana [17]
The numbers I have input, it’s seems like the answer is never.
6 0
3 years ago
Read 2 more answers
Mike is pouring a two foot cement sidewalk around the perimeter of his swimming pool. His swimming pool measures 6 feet by 14 fe
frosja888 [35]
9 inches * 1 foot / 12 inches
= 3/4 feet deep

Area of the sidewalk: 
= the sides of the pool * the width of the sidewalk + the corners of the sidewalk (width * width)
= 2 sides * 6 (feet / side) * 2 feet + 2 sides * 14 (feet / side) * 2 feet + 4 corners * (2 feet * 2 feet / corner)
= 12 feet * 2 feet + 28 feet * 2 feet + 4 * 2 feet * 2 feet
= 24 feet^2 + 56 feet^2 + 16 feet^2
= 96 feet^2

Volume:
= 96 feet^2 * 3/4 feet
= (96 * 3 / 4) feet^3
= (19 * 3) feet^3
= 57 feet^3
4 0
3 years ago
Read 2 more answers
If 12 oranges cost $4.20, what is the unit price?
Tcecarenko [31]

Answer:

50.4

Step-by-step explanation:

4.20x12

4 0
3 years ago
Read 2 more answers
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