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3 years ago

12

Which property justifies the following equation? 7(6+0+5)= 7(6+5)

1 answer:

velikii [3]3 years ago

8 0

Zero
you can double check though

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PLEASE HELP!! I WILL MARK THE FIRST CORRECT ANSWER BRAINLIEST!!))

Step2247 [10]

Answer:

Step-by-step explanation:volume of cylinder =π r²h

= 3.14 × 17×17×16

= 14519.31 inches square .

4 0

3 years ago

Use elimination to solve the system 3x+5y=16 and 8x-y=28 for x?

Mekhanik [1.2K]

Answer:

x = 156/43

Step-by-step explanation:

3x + 5y = 16

8x - y = 28

3x + 5y = 16

5(8x - y = 28)

3x + 5y = 16

40x - 5y = 140

43x = 156

x = 156/43

*sigh, an ugly answer*

5 0

3 years ago

you have 87,520 grams of a radioactive kind of lead. How much will be left after 108 minutes if its half-life is 27 minutes

olasank [31]

Answer:

5,470 mg

Step-by-step explanation:

108 minutes is 4 half-lives:

<u> Time</u> <u> Lead</u>

<u> Min.</u> <u>mg Pb</u>

0 87520

27 43760

54 21880

81 10940

108 5470

5 0

3 years ago

Read 2 more answers

A salesperson at a jewelry store earns 9% commission each week. Last week, Heidi sold $640 worth of jewelry. How much did she ma

KiRa [710]

Answer:19.2

Step-by-step explanation:

6 0

3 years ago

The sum of two trinomials is 7x2 − 5x + 4. If one of the trinomials is 3x2 + 2x − 1, then what is the other trinomial?

aniked [119]

Answer:

Step-by-step explanation

3 0

3 years ago