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DanielleElmas [232]
3 years ago
7

Which choice shows (50+30)+40 correctly written using associative property and then correctly simplified

Mathematics
1 answer:
mote1985 [20]3 years ago
8 0

Answer:

The first option as you do what is in parentheses first.

Step-by-step explanation:

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2 years ago
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a counter top is in the shape of a trapezoid. The lengths of the bases are 70 1/2 and 65 1/2 inches long. The area of the counte
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For the trapezoid, the equation used to solve for the area is,
                           A = (0.5)(b₁ + b₂)(h)
where b₁ and b₂ are the measure of the bases and h is the height. Substituting the known values above,
                          1224 = (0.5)(70.5 + 65.5)(h)
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3 years ago
What is the volume?<br> 2 mm<br> 8 mm<br> 4 mm<br> cubic millimeters
shutvik [7]

Answer:

64 mm³

Step-by-step explanation:

I am assuming there was a photo to go with this problem

However the general formula to find volume is usually V = l×w×h

  • It does not matter which measurement is which because they all get multiplied together.
  • However assigning a name to each unit of measurement we will denoted the length (l) as 2 mm, the width (w) as 8 mm, and the height (h) as 4 mm
  • Plugging these values into the formula we get: V = (2)(8)(4) = 64 mm³
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3 years ago
A rectangular room is 12.5 feet wide and 14 feet long. How many linear feet of baseboards are needed to trim the room?
QveST [7]

If you do width times length you will get 30. Good luck

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4 years ago
Which of the following statements best describes the value of the expression 2x + 12, when x = 3?
Lapatulllka [165]
The answer to the equation is 18 which is a composite whole number. the answer is C
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