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faust18 [17]
3 years ago
8

Evaluate the following expressions

Mathematics
1 answer:
Bess [88]3 years ago
3 0

Step-by-step explanation:

a.2+9-5=6

b.-9+1=-8

c.7(-36+50/120)2

=7(24/120)2

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A rectangular painting is made up of two congruent squares with sides that are 2 feet long. What is the area of the entire paint
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Answer:

8 feet²

Step-by-step explanation:

The sides of each square are equal, so the area of one square is 4 feet². If you add the area of that square to the other (which has the same area) you get 8 feet².

Another way to solve it:

Visualize in your head or draw a picture of one of the squares right on top of the other. Combined, the length and width of the rectangle are 2 feet and 4 feet. Since the formula for area is <em>lw=a </em>(<em>l</em>=length, <em>w</em>=width, and <em>a</em>=area)<em>, </em>you multiply 2 by 4 and get 8. Therefore, the area of the painting is 8 feet². Hope this helps.

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3 years ago
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lana66690 [7]

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Hope this helps!
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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