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ale4655 [162]
3 years ago
8

toothless car wash (the kid next door) can wash 3 cars in one and a half hours. how long will it take to wash 10 cars

Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

5 hours

Step-by-step explanation:

1.5 (hours) / 3(cars) = 0.5 hours per car

0.5 x 10 = 5

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PLZZ HELPP!!
Elden [556K]
There's one piece of information missing from the question, so
in order to completely calculate the answer, we must assume the
missing number.

We have no information that helps us calculate the probability
that you will eat the first jelly bean.  So we'll have to assume that
you will definitely eat it, no matter what color it is.  The probability is 1 .

-- You start out with  (2 + 4 + 8 + 6) = 20 jelly beans in the package.
    8 of them are purple.

-- If you close your eyes and pull one out of the package, then the
probability that it will be purple is
                                                  8 / 20 .

-- You definitely eat it.  The probability of this event is 1 .

-- Now there are  19  jelly beans left in the package.
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-- The probability of picking a blue one out of the package without peaking is

                             6 / 19 .

-- The probability of all three of these events happening is

                       (8/20) · (1) · (6/19)

                   =  (8 · 1 · 6) / (20 ·19)

                   =      48 / 380 

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4 0
3 years ago
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What is the mass of 75¢ in nickels?
Dima020 [189]
According to the United States Mint, the mass of 1 nickel is 5.000 g.

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There are 15 nickles in 75 cents worth of nickels.

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3 years ago
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Answer:

Step-by-step explanation:

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3 years ago
Using the properties of inequalities, write down the inequality that you will get if you: add the number –5; 2.7; 7; to both sid
puteri [66]

Answer:

See below

Step-by-step explanation:

1..........................

  • 18 >−7

Add –5; 2.7; 7 to both sides

  • 18 -5 > -7 - 5 ⇒ 13 > -12
  • 18 + 2.7 > - 7 + 2.7 ⇒ 20.7 > - 43
  • 18 + 7 > -7 + 7 ⇒ 25 > 0

2..........................

  • 5 > -3

Subtract 2; 12; -5 from both sides

  • 5 - 2 > -3 -2 ⇒ 3 > - 5
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3..........................

  • - 9 < -6

Multiply both sides by 3; −3; −1

<em>When multiplying both sides of inequality by positive number the sign stays as is, when multiplying both sides of inequality by negative number the sign reverses</em>

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3 years ago
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