3 years ago

Which graph correctly solves the system of equations below?

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

8 0

(0,7) (-1,5)
these are the point of intersections

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Use the Quadratic formula to solve: x^2 + 10 =-7x

lukranit [14]

$x^2 + 10 =-7x\\x^2 +7x+ 10 =0 \\\\ x= \cfrac{-7б \sqrt{7^2-4*1*10} }{2}=x= \cfrac{-7б \sqrt{49-0} }{2}= \cfrac{-7б 3 }{2} \\ \\ x=\cfrac{-7- 3 }{2}=-5\\\\ x=\cfrac{-7+ 3 }{2}=-2$

Answer: x=-5, x=-2

8 0

3 years ago

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Anyone have an answer to this

pentagon [3]

Answer:

Step-by-step explanation:

30 = 6*5

48= 6*8

30 + 48 = 6*5 + 6*8

= 6*(5+8)

= 6*13 = 78

8 0

3 years ago

Hi there I don't usually ask questions but I'm having a bit of trouble solving for X on this equation. 1+(3x-3)=1 You don't nece

Maksim231197 [3]

Answer:

1+3x-3=1

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6 0

2 years ago

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PLEASE HELP!!!

Trava [24]

1/3x - 2 = 1/4x + 11....it looks to me like one y was subbed in for another...

ur 2 equations are :
y = 1/3x - 2 and y = 1/4x + 11...but we need them in standard form...

y = 1/3x - 2
-1/3x + y = -2 ..multiply by 3
-x + 3y = -6.....or 3y - x = -6 <==

y = 1/4x + 11
-1/4x + y = 11 ...multiply by 4
-x + 4y = 44 or 4y - x = 44 <==

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4 years ago

Write three different complex fractions that simplify to one fourth

Sergio [31]

2 OVER 8 AND 4 OVER 16 AND 1 FOURTH

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3 years ago