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Lesechka [4]
3 years ago
7

The width of a rectangle is 4x-4 feet and the length is 2x+5 feet. Find the perimeter

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
4 0
Perimeter is
2 • width+ 2•length=
2• (4x-4)+2•(2x+5)=
Distribute multiplication in parentheses
8x-8+4x+10=
Combine like terms
12x+2
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I need help with this please
lesantik [10]
2 rational numbers are C. 2.777 and D. -7/3

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</span>
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4 0
3 years ago
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3 years ago
Find a three digit number. The tens digit is 3 time the hundreds digit. The sum of the digits is 15. If you reverse the digits,
tresset_1 [31]

Answer:

number = 267

Step-by-step explanation:

i am a 3 digit number divisible by 3.

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my tens digit is 3 times as great as my hundreds digit

b = 3a, from this we know a = 1, 2, 3, then b = 3, 6, 9

and the sum of my digits is 15.

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100c + 10b + a

this is a logic problem, an equation won't help us here

From the given information b = 3a, and the sum of the 3 digits = 15, we have:

1 3 ___; three single digits can't add up to 15

2 6 _7_; this has to be the number

3 9 _3_; reverse number is not different

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267 is the number

3 0
3 years ago
Melanie invested $9,800 in an account paying an interest rate of 4 1 2 4 2 1 ​ % compounded quarterly. Amelia invested $9,800 in
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5 0
3 years ago
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Easy:

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3 years ago
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