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DiKsa [7]
3 years ago
11

How do you do this page

Mathematics
1 answer:
andrew11 [14]3 years ago
8 0
13. Is 12 and 22. Is 11
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Expand to write an equivalent expression: 4(-8x+6y)
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Answer:

-32x + 24y

Step-by-step explanation:

4(-8x + 6y) ⇒ -32x + 24y

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Morton made 36 out of 48 free throws last season. What percent of his free throw did Morton make?
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Just divide 36 by 48, and you will get that he made 75% of his free throws.
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What is the solution for -10 < x - 9?
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-10 < x - 9

Add 9 to both sides:

-1 < x

The correct answer would be option C

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7 0
3 years ago
If hot and cold water taps are turned on altogether, a bath is filled in three minutes but if the cold tap was only half opened
Anvisha [2.4K]

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Answer:

  12 minutes

Step-by-step explanation:

Let c and h represent the filling times for the cold and hot taps, respectively. When the cold tap is 1/2 open, we presume that means the filling time becomes 2c.

In terms of baths per minute, the relationships are ...

  1/c + 1/h = 1/3

  1/(2c) +1/h = 1/(3 +1.8) . . . . . 1:48 min:sec is 1.8 minutes

Subtracting the first equation from twice the second, we get ...

  2(1/(2c) +1/h) -(1/c +1/h) = 2(1/4.8) -(1/3)

  1/h = 2/4.8 -1/3 = 1/12

  h = 12

It takes the hot tap 12 minutes to fill the tub alone.

3 0
3 years ago
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