3 years ago

Find the square of -3

Mathematics

1 answer:

Degger [83]3 years ago

6 0

-3^2 = (-3)(-3) = 9 (because a negative times a negative is a positive)

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Maurinko [17]

The correct answer is:

$5.75

2.3% of 250 is 5.75.

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Is my answer correct

Vlad [161]

No because its explain how much cumulative tip total on day 5 so the answer is D.400

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Marsha earn $25 per hour up to 36 hours; after this,she is paid double time. In one particular week she earned $1550.00 .how man

mel-nik [20]

Answer: Marta worked 13 hours overtime.

Step-by-step explanation:

1): You do 25 x 36 to get the amount of money she can make before she starts to make double.

36 x 25 = 900

2): Minus $900 from $1550

$1550 - $900 = $650

3): Divide $650 by $50

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2 years ago

Calculate the standard deviation of the data set below. (7, 9, 10, 11, 13)

Reil [10]

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Simora [160]

Answer:

0.28

Step-by-step explanation:

To know the probability we first need to know the total number of choices for each character in the license plate. Since there are a total of 10 possible numbers (0-9) and 26 letters in the English Alphabet. Then this means that each character has a total of 36 possible choices. Out of these 36 only 10 are numbers, therefore the probability of the first character being a number is

$\frac{10}{36}$ or 0.2777

If we rounded the decimal to the nearest hundredth it would be 0.28

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