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adoni [48]
2 years ago
8

I need help writing this proof!!

Mathematics
1 answer:
brilliants [131]2 years ago
7 0
1: m<ABD = m<CBE | given
2: m<CBD = m<CBD | reflexive
3: m<1 = m<3 | subtraction
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What is the value of (j+3k)(5)?<br><br> j(x) = (x + 4)^2; k(x) = 8 - x<br><br> (j + 3k)(5) =
jeyben [28]

Step-by-step explanation:

J=(x+4)²

K=(8-x)

X=5

=J+3k

=(x+4)(x+4)+3(8-x)

=(x²+8x+16+24-3x)

=25+25+40

=90

Alternatively:

J=(5+4)²

J=81

K=8-5

K=3

J+3k

81+3(3)

81+9

90

3 0
3 years ago
I need help please and fast
patriot [66]

Answer:

20%

Step-by-step explanation:

The reason it is 20% is due to the fact that if you put it in a form showing 250/250 = 100/100 and put another proportional rate underneath it showing 200/250 = x/100, you would have to multiply the numerator of the fraction on the left by the denominator of the fraction on the right to get 20000. Now you divide 250 from 20000 and get x for 80, resulting in 80/100 or 80%. All you have to do now is subtract 100-80, which equals 20, resulting in 20%.

Hope that helps!! It's my first time in answering so, ya. ;D goodluck!

3 0
3 years ago
Read 2 more answers
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ZanzabumX [31]
Second one
1/16
3/8 divided by 1/6=1/16
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2 years ago
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12 - (-3) =<br> what does it equal
erik [133]

Answer:15

Step-by-step explanation:

6 0
3 years ago
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Carpenters refer to the slope of a roof as the pitch of the roof. Find the pitch of the roof.
notsponge [240]

Answer:

12.6 ft (3 s.f.)

Step-by-step explanation:

Please see the attached picture for full solution.

4 0
2 years ago
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