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dimaraw [331]
4 years ago
5

Choose what the expressions below best represent within the context of the word problem. The tens digit of a number is twice the

ones digit. The sum of the digits in the number is 12. What is the number? x represents digit 2x represents digit
Mathematics
1 answer:
Usimov [2.4K]4 years ago
6 0
<span>2x + x = 12
=> x =12/3 =4
so, original number is 84.

</span>
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BRAINLIEST IF CORRECT!!!
LenKa [72]

Answer:

X=1

Step-by-step explanation:

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3 years ago
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Consider the two expressions 4b(b+1) and (2b+7)(2b-8). Compare their values if b=-3, b=-2, and if b=10. Is it true that for an v
noname [10]

Answer:

If b=-3 then the first expression is equal to 24 and the second expression is equal to -14.

If b=-2 then the first expression is equal to 8 and the second expression is equal to -36.

If b=10 then the first expression is equal to 440 and the second expression is equal to 324.

Yes, it is true.

Step-by-step explanation:

b=-3:

4b(b+1)=4(-3)(-3+1)=-12(-2)=24

(2b+7)(2b-8)=(2(-3)+7)(2(-3)-8)=(-6+7)(-6-8)=1(-14)=-14

b=-2:

4b(b+1)=4(-2)(-2+1)=-8(-1)=8

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b=10:

4b(b+1)=4(10)(10+1)=40(11)=440

(2b+7)(2b-8)=(2(10)+7)(2(10)-8)=(20+7)(20-8)=27(12)=324

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3 years ago
Please can someone help me?
Feliz [49]

Answer:

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3 years ago
There are 62rows of 9 chairs in the movie theater about how many chairs are there
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