2 years ago

Which of the following expressions is not equivalent to (-2)(8 + 6 + -3)?

Mathematics

1 answer:

MArishka [77]2 years ago

8 0

Answer:

D is -31 also i checked to make sure.

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Sasha practices piano for 45 minutes, 6 days a week. How many minutes does Sasha practice in a week? Use an area model to solve.

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Answer:

270

Step-by-step explanation:

Because i multiple 45 by 6

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2 years ago

Please help i really need it, i will give brainliest to the right answers

Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

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Perenthesis

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2 years ago

Two identical blue boxes together weigh the same as three identical red boxes together. Each red box weighs 15.2 ounces. How muc

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Step-by-step explanation:

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2 years ago

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Consider a refrigerator that consumes 320 W of elec- tric power when it is running. If the refrigerator runs only one quarter of

irinina [24]

Answer: The refrigerator cost in this month is $4.5 approximately.

Step-by-step explanation:

Since we have given that

Amount of watt of electric power = 320 W

Number of days = 30

Unit cost of electricity = $0.13/Kwh

Hold factor = $\dfrac{1}{4}$

Number of hours in a month = 24

So, the refrigerator cost in this month would be

$0.13\times 0.32\times \dfrac{1}{4}\times 30\times 24\\\\=\$7.488$

Hence, the refrigerator cost in this month is $4.5 approximately.

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3 years ago

A TV goes on sale with a discount of 28%. The original price of the TV is $942. What is the sales price of the TV?

Harlamova29_29 [7]

A percentage is equivalent to a fraction, a percentage is out of 100 therefore the fraction for this can be 28/100, as a decimal this would be .28. Therefore to solve this problem you would set up the problem as, 942 x .28= 263.76, you then take that number and subtract it from the original price of the tv, and you get the final price, of $678.24.

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2 years ago

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