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Sav [38]
3 years ago
15

Lucia tried to solve the system below 2x+2y=14

Mathematics
1 answer:
Elis [28]3 years ago
6 0

move x to the other side.

2y = -2x + 14

divide by 2.

y = -x + 7

let me know if you need more help.

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What is the approximate length of the hypotenuse of a right triangle with vertices (-6, 2),
muminat

Answer:

Step-by-step explanation:

A(-6, 2),   B(6,-3) and C(-6, -3)

AB² =  (x₂ - x₁)² + (y₂ - y₁)²

      = ( 6 -[-6])² + ( -3 -2)²

      = ( 6 + 6)² + ( -3 -2)² = 12²  + (-5)²  = 144 + 25 =169

AB = √169 = 13 units

BC²  = ( -6 -6)²  + ( -3 - [-3])² = (-6-6)²  + (-3 +3)²

      = (-12)²  + 0  = 144

BC = √144 = 12 unis

CA²  = (-6 - [-6])²  +(-3-2)²  = (-6 + 6)²  + ( -3-2)²

         = 0 + (-5)²  = 25

CA =√25 = 5 units

length of the hypotenuse of a right triangle  = 13units

4 0
3 years ago
Noah's town voted on a new speed limit. 50% of the 58 votes were in favor of the new speed limit. How many votes were in favor?
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What is the multiplicative inverse of -27 and what is the multiplicative inverse for 7/9 and -9/16
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The multiplicative inverse of a number is the number when you multiply it, it gives you the product of 1.

So for - 27, what number will give us 1 when we multiply it by -27

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-9/16 * -16/9 = 1

So in essence, just take the number and flip it

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7/9 = 9/7

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