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fomenos
3 years ago
14

Simplify 79.5-2.58 x (3.63-1.63) to the third power

Mathematics
1 answer:
trapecia [35]3 years ago
3 0

Answer:

a

Step-by-satep explanation:

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When graphing a linear inequality on a number line, use an open circle for <em><u>"less than" or "greater than",</u></em> and a closed circle for "less than or equal to" or "greater than or equal to".

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A square piece of paper is folded in half vertically. The resulting figure has a perimeter of 21 in. What is the number of units
Rudiy27

Perimeter is adding all 4 sides together.

To find the length and width divide total perimeter by 2:

21 / 2 = 10.5

We now know the length of 1 side and the width of 1 side need to equal 10.5.

Since the original piece was a square we also know the width needs to equal 1/2 of the length.


So we have L + 1/2L = 10.5

Add the common terms 1 L + 1/2 L = 1 and 1/2 L

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To find the width subtract 7 from 10.5, which equals 3.5

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4 0
3 years ago
Solve the system of equations.
vova2212 [387]

Answer:

8x = 32

x = 4

y = 6

Step-by-step explanation:

2.5y + 3x = 27

5x – 2.5y = 5

_____________

8x = 32 (equation obtained after adding the two equations)

x = 32/8

x = 4

Plug x = 4 in 2.5y + 3x = 27

2.5y + 3*4 = 27

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y = 15/2.5

y = 6

8 0
3 years ago
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