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3 years ago

5

13. Yah umm whoever gets the answer right wins a cookie

1 answer:

ICE Princess25 [194]3 years ago

4 0

Victor and Amy 67/21 or 3. 4/21
Cal and Beth 21. 1/2 or 215/10
Beth and Victor 5/6

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Solve the system of equations

34kurt

Answer:

y=17/2 and x=15/8

Step-by-step explanation:

By subsitution, we get 4x+4x+1=16, so 8x=15. Thus, x=15/8. Next, we plug x in to find y. y=4*15/8 +1, or 15/2 +1 = 17/2

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2 years ago

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3 years ago

How do I prove that a quadrilateral is a rectangle?

maw [93]

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2 years ago

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Find the slope between the pair of points (1,3) and (7,2)

agasfer [191]

Answer:

$\bold{m=-\dfrac16}$

Step-by-step explanation:

$\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}$

(1, 3) ⇒ x₁ = 1, y₁ = 3

(7, 2) ⇒ x₂ = 7, y₂ = 2

So the slope:

$\bold{m=\dfrac{2-3}{7-1}=\dfrac{-1}6=-\dfrac16}$

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3 years ago