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nalin [4]
4 years ago
12

Simplify this expression 1/3(21m 27) a. 7m 27 b. 7m 9 c. 63m 9 d. 7m 81

Mathematics
1 answer:
Natasha_Volkova [10]4 years ago
4 0
1/3(21m + 27) = 7m + 9
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(brainliest)Armando found the volume of the figure below by using the steps shown. A rectangular prism with a length of 18 inche
Shkiper50 [21]

Answer:  Armando used the wrong dimensions for the triangular prism.

Step-by-step explanation:

Hi, to answer this question we have to analyze Armando’s work.

Total Volume = Volume of rectangular prism + volume of triangular prism  

Total Volume = 5 (8) (18) + one-half (6) (18) (8)  

Total Volume= 720 + 432  

Total volume = 1,152 cubic inches.

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The correct way to solve this is.

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7 0
3 years ago
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Which steps should be followed to use multiplication to find 33% of 67? Convert 33% to the equivalent decimal 3,300, and then mu
dimaraw [331]

Answer:

Convert 33% to the equivalent decimal 0.33, and then multiply 0.33 by 67 to get 22.11.

Step-by-step explanation:

3 0
3 years ago
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X:y=5:3 and x+y=56 work out the value of x-y
Vladimir79 [104]

x - y = 14

given the ratio x : y = 5 : 3

then let x = 5x and y = 3x, hence equation can be expressed as

5x + 3x = 56

8x = 56 ( divide both sides by 8 )

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Hence x = 5 × 7 = 35 and y = 3 × 7 = 21

Thus x - y = 35 - 21 = 14


6 0
3 years ago
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