3 years ago

PLEASE HELP ASAP!!!! 2 MATH QUESTIONS!!

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

5 0

Your right on both of your answers to number 1 and 2

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1<br> If x= - 2, the value of the expression 5x² – 3x + = is<br> (Type an integer or a decimal.)

Naddik [55]

Step-by-step explanation:

The answer is 26 or 24 because I didn't understand what you have written after +

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2 years ago

Please help me with this I would give you 50 points.

kondor19780726 [428]

Answer:

Refer to image below:

Step-by-step explanation:

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2 years ago

-2m(m + n - 4) + 5(-2m + 2n) + n(m + 4n - 5)

e-lub [12.9K]

I provided the answer in photo

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2 years ago

I am a square. One of my side is 9 feet long. What is my area?

Stella [2.4K]

Hello from MrBillDoesMath!

Answer:

81 ft^2

Discussion:

The area of a square is (length of a side)^2. In this case,

Area = 9^2 = 81

Regards,

MrB

P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!

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3 years ago

How many mins are in 4 and a half hours.

Paraphin [41]

Answer:

270 minutes

Step-by-step explanation:

1 hour = 60 minutes

4 hours = 240 minutes

half hour = 30 minutes

240 minutes + 30 minutes = 270 minutes

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2 years ago