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enot [183]
3 years ago
8

A rectangle has a perimeter of 43feet and width of 7 feet. Find the length

Mathematics
2 answers:
kotegsom [21]3 years ago
4 0
You, would multiply 43*7=301 ............... 301 is your lenghth
Inessa05 [86]3 years ago
4 0
P=2W+2L

2L=P-2W

L=(P-2W)/2

L=(43-14)/2

L=14.5 ft
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sergeinik [125]

Answer:

14.11

Step-by-step explanation:

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sergiy2304 [10]
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Two​ trains, Train A and Train​ B weigh a total of 479 tons. Train A is heavier than Train B. The difference of their weights is
Marysya12 [62]

Answer:

A= 429

B= 50

Explanation:

A+B= 479 (take away)

A-B= 379

A-A+B+B= 479-379 (simplify)

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I think you know how to do it now..

B=50

A=50+379 ---> 429

This is the substitution method, there are other ways of doing it- and I tried to make this simple. Hope this helped!

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3 years ago
Help with this question
Gelneren [198K]

Answer:

option D is the correct answer

7 0
2 years ago
How much is 3x3+3+3x3
Black_prince [1.1K]

Answer:

21

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define expression</u>

3 × 3 + 3 + 3 × 3

<u>Step 2: Evaluate</u>

  1. Multiply:                    9 + 3 + 3 × 3
  2. Multiply:                    9 + 3 + 9
  3. Add:                          12 + 9
  4. Add:                          21
6 0
3 years ago
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