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exis [7]
4 years ago
5

A large rectangle is made up of 3 smaller identical rectangles, the perimeter of one small rectangle is 21cm. What is the perime

ter of the large rectangle.
Mathematics
1 answer:
Alina [70]4 years ago
3 0

Answer:

63 units

Step-by-step explanation:

If the perimeter of 1/3 of the rectangle is 21, multiply 21 by 3 to find the perimeter of the entire rectangle.

21 x 3 = 63

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Find the slope of the the line graphed
saveliy_v [14]

Answer:

m=\frac{-5}{2}

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

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (1, 1)

Point (3, -4)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute [SF]:                    m=\frac{-4-1}{3-1}
  2. Subtract:                              m=\frac{-5}{2}
4 0
3 years ago
Six and one-third less a number
aleksley [76]

Answer:

6 1/3 - x

Step-by-step explanation:

The x represents the unknown number

4 0
3 years ago
G = f에서 5 = g는 무엇입니까?
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Answer:

임의의 변수로 풀기

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Step-by-step explanation:

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g=5

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8 0
3 years ago
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Hiiii someone please help me I'm confused please helppp
olga55 [171]

Answer:

17.5 units

Step-by-step explanation:

a² + b²= c²

9² + 15² = c²

81 + 225 = c²

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c = 17.5

6 0
4 years ago
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lawyer [7]

Answer:

a. False

b. True

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3 years ago
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