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snow_lady [41]
3 years ago
7

HELP ME I NEED TO KNOW

Mathematics
2 answers:
OleMash [197]3 years ago
6 0
I think it is 45.00 because you multiply -4.50 x 5= -22.5. The reason you multiply x4.59 times 5 is because he takes away 4.50 every day for 5 days. And then you do 67.50-22.5=45.00.
12345 [234]3 years ago
3 0
I think it’s 45.00 because you have to multiply
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2 years ago
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exis [7]

Answer:

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Cuanto recibiré de cambio  76 $

Step-by-step explanation:

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2 plumas  7,90 $

1Libreta   12,60 $

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5 0
2 years ago
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6 0
2 years ago
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5) 1
solniwko [45]

Answer:

$3.49

Step-by-step explanation:

-The z value is calculated by the formula:

z=\frac{\bar x -\mu}{\sigma}

Where \mu, \sigma are the mean and standard deviation respectively and \bar x is the price of the random selection.

#We substitute and solve for \mu:

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Hence, the mean price of a box of cereal is $3.49

6 0
2 years ago
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