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2 years ago

7(8+x+2) equals what exactly i dont know

Mathematics

2 answers:

Helga [31]2 years ago

7 0

Answer: 70+7x

Step-by-step explanation:

56 +7x+14 (multiply 7 with all the numbers and x in the parenthesis)

Add 56+14=70

Than you will get the answer of 70+7x

And if you can plz help me on my science hw thank you so much because it’s due in a couple hours and I don’t understand it!

Nataly [62]2 years ago

4 0

Answer:

70 + 7x

Step-by-step explanation:

7(8+x+2)

Combine like terms in the parenthesis

7(8+2+x)

7(10+x)

Distribute

70 + 7x

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N is the sum of three consecutive primes and is also the product of two 2-digit primes, what is the least possible value of N

Nookie1986 [14]

Hello from MrBillDoesMath!

Answer: N = 143

Discussion:

This one took some trial and error! At first I listed all 2 digit primes, looked at the list, but didn't know how to proceed. So, I took the smallest 2 digit primes numbers: 11 and 13 and wondered if their product, 13*11 = 143, could be represented as the sum of 3 consecutive primes. I went back to my list of primes, added groups of three consecutive numbers that seemed to be in the right range to give the desired sum, and stumbled on 43, 47, and 53!

43 + 47 + 53 = 143 !

Therefore N = 143. It's the sum of 43, 47, and 53 as well as the product of 11 and 13.

Thank you,

MrB

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2 years ago

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2 years ago

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How would you convert 93/20 to a decimal?

anastassius [24]

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