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3 years ago

Write the sum as a mixed number so the fractional part is less than 1. 4 1/2 plus 2. 1/2

Mathematics

2 answers:

Hitman42 [59]3 years ago

3 0

Well 41/2+1/2=
9/2+1/2
10/2

dybincka [34]3 years ago

3 0

4 1/2 + 2 1/2 =
9/2 + 5/2 =
14/2 ........but 14/2 reduces to 7.....no need for a mixed number.....unless, maybe 7 0/0 ??

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3 years ago

I need help with these three

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A. The relationship of <7 and <8 are that they are vertical angles, and are congruent.

B. Since vertical angles are congruent, you can form an equation where the two measurements equal each other.

C. 5y-29=3y+19 then plug y into your equation: 5*24-29=91
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y=24 <8 also equals 89

Your second problem:
complementary are two angles that add up to 90 degrees.
<B=x, <A=2x
2x+x=90
3x=90
x=30 so: <B=30 degrees, <A=60 degrees

Your third problem:
1. Since A and B are parallel, angle 3x+7 and angle 4x+5 are same-sided exterior angles. That means that they both add up to 180 degrees. So if you should add the two and make it equal 180
2. 3x+7+4x+5=180
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7x=168
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3. <6 is a corresponding angle with angle 3x+7, meaning that they are congruent. So plug x into 3x+7: 3*24+7=79 and since <6 is congruent to 3x+7, <6=79 degrees

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