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strojnjashka [21]
3 years ago
7

Please hurry!! I will mark brainliest! A student wrote four statements during math class. Which statement contains an error?

Mathematics
1 answer:
svlad2 [7]3 years ago
7 0

Answer: 2nd one

Step-by-step explanation:

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ABC and EBF are a pair of vertical angles; mABC = 3x + 8 and mEBF = 2x + 48. What are mABC and mEBF?
natita [175]
Vertical angles are angles opposite to each other when two lines cross.
what's interesting is that vertical angles are equal.

Based on this:
angle ABC = angle EBF
3x + 8 = 2x + 48
x = 40

measure angle ABC=measure angle EBF =
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3 years ago
Tom decides to paint one wall in his room green. Use the dimensions below to calculate the area of the this wall.
Anton [14]

Option C:

Area of the wall =94\frac{15}{16} square feet

Solution:

Length of the wall = 12 \frac{1}{4} feet

Width of the wall = 7 \frac{3}{4} feet

Area of the wall = length × width

                          $=12 \frac{1}{4}\times 7 \frac{3}{4}  

Convert mixed fraction into improper fraction.

                          $=\frac{12 \times 4+1}{4}\times  \frac{7\times 4+3}{4}

                          $=\frac{49}{4}\times  \frac{31}{4}

                          $=\frac{1519}{16}

Convert improper fraction into mixed fraction.

                          $=94\frac{15}{16}

Area of the wall =94\frac{15}{16} square feet

Option C is the correct answer.

7 0
3 years ago
Which expression could be used to find the volume of the prism below?
Minchanka [31]

Answer:

I think its either C or D but im not very sure.

Step-by-step explanation:

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