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nikitadnepr [17]
3 years ago
14

Plz help me on #1,2,3,4,5,6, and 7 and when u answer plz put what number u are answering

Mathematics
2 answers:
Luda [366]3 years ago
8 0

Answer:

42 1/4

Step-by-step explanation:

6 1/2 times 6 1/2 = 42 1/4

number 5

ikadub [295]3 years ago
6 0

1. Parallelogram

2. Area

3. Congruent

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A rectangle's perimeter is equal to 27 plus its width. The length of the rectangle is four times its width. What is the
lara31 [8.8K]

Answer:

P = 3

Step-by-step explanation:

L = 4*w

P = 27 + w

P = 2*L + 2*w = 27 + w

2L = 2*(4w) = 8w

Put that into the perimeter formula (the first one.)

P = 8w + 2w = 27 + w

10w = 27 + w                        Subtract w from both sides

9w = 27                                Divide by 9

w = 27 / 9                          

w = 3

You should find the Length just so you can check it.

L = 4w

L = 4*3

L = 12

Check

P = 2L + 2w

P = 2*12 + 2*3 = 30

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P = 27 + 3

P = 30 and everything checks.

8 0
3 years ago
Solve 5 / 6 ÷ 1 / 12 ?​
Tema [17]

Answer:

10

Step-by-step explanation:

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3 years ago
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Operations in scientific notation the question is (2.32X10 to the 6 power)(4X10 to the -5power)
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How do you find the surface area of a cube?
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const2013 [10]

Answer:

x=-18, y=-44

Step-by-step explanation:

y=3x+10\\y=2x-8\\\\3x+10=y\\2x-8=y\\3x-y=-10\\2x-y=8\\\\-2(3x-y=-10)\\3(2x-y=8)\\\\-6x+2y=20\\6x-3y=24\\-y=44\\y=-44\\-44=3x+10\\-54=3x\\x=\frac{-54}{3} \\x=-18\\\\x=-18, y=-44\\

CHECK

-44=3(-18)+10\\-44=-54+10\\-44=-44\\\\-44=2(-18)-8\\-44=-36-8\\-44=-44

7 0
1 year ago
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