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Yuliya22 [10]
3 years ago
7

What is the value of the expression below?

Mathematics
2 answers:
garri49 [273]3 years ago
8 0

Answer:

9

Step-by-step explanation:

15 - 7 \times 2 + 2^3 =

Use the correct order of operations, PEMDAS.

= 15 - 14 + 8

= 1 + 8

= 9

KATRIN_1 [288]3 years ago
7 0

Answer:

9

Step-by-step explanation:

Use PEMDAS.

Solve the Exponent:

2^3=2*2*2=8\\15 - 7 * 2+8

Multiply From Left to Right:

7 * 2 = 14\\15 - 14 +8

Add and Subtract from Left to Right:

15 - 14 = 1\\1 + 8 = 9

So,  15-7*2+2^3=9.

Brainilest is Appreciated.

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Lets see!
We need to use the pythagorean theorem (a^2+b^2=c^2) to check.
So..
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3 years ago
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sweet [91]

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Step-by-step explanation:

Expand. Set all non-zero digits by itself:

53,274 = 50,000 + 3,000 + 200 + 70 + 4

Remember to fill in 0 for all digits. They must keep their value.

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3 years ago
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3 years ago
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Bert has three times as much money as Ernie. If Ernie spends $6 on a new rubber ducky, then Bert will have five times as much mo
fomenos

Answer:

Bert has $45.

Step-by-step explanation:

I have no real strategy, except for that I used guess and check. How did I do this? Well, since I am in 5th Grade, I don't know algebra very well, so I made an organized chart and checked all the numbers that had to be a multiple and  could be divided equally by 5, 3 and when a third of that number was subtracted by 6, it was a fifth of the orginal number. Thats how I got 45.

Checking this answer:

It is always important to check your answer after finishing the problem, so this is how I checked my answer:

1. 45 divided by 3 = 15

2. 15 - 6 = 9, and 9 is 1/5 of 45

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5 0
3 years ago
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brilliants [131]
X=379.2/n
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