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Airida [17]
3 years ago
5

Solve for x in the following system 6x + 6y = -2 y = -x

Mathematics
1 answer:
klasskru [66]3 years ago
8 0
6x + 6(-x) = - 2
6x - 6x = - 2

the answer was not relevant than 0

i am a mathematics teacher. if anything to ask please pm me
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Madelyn's car used 6 gallons of gas to drive 126 miles. At what rate does her car use
Reil [10]

Answer:

Step-by-step explanation:

You are given    GALLONS     and   MILES

   you want to find MILES / GALLON

     so just put those numebrs in

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4 0
3 years ago
Identify the center and radius of the circle given by the equation (x+2)^2+(y-5)^2=16
Andreyy89

Answer:

Center=(0,2)   Radius=(4)

Step-by-step explanation:

give me 5 star and thank me plz

8 0
3 years ago
If ​f(x)=x^2- 4 and ​g(x)=x^2 plus 2 x​,
gregori [183]

Answer:

\huge\boxed{(f-g)\left(-\dfrac{1}{3}\right)=-3\dfrac{1}{3}}

Step-by-step explanation:

\text{We have}:\\\\f(x)=x^2-4\ \text{and}\ g(x)=x^2+2x\\\\(f-g)(x)=f(x)-g(x)\\\\\text{therefore}\\\\(f-g)(x)=(x^2-4)-(x^2+2x)=x^2-4-x^2-2x\\\\=(x^2-x^2)-2x-4=-2x-4\\\\(f-g)\left(-\dfrac{1}{3}\right)\to\text{put}\ x=-\dfrac{1}{3}\ \text{to the equation of the function}\ (f-g)(x):\\\\(f-g)\left(-\dfrac{1}{3}\right)=-2\left(-\dfrac{1}{3}\right)-4=\dfrac{2}{3}-4=-3\dfrac{1}{3}

6 0
3 years ago
a stack of 4 books weigh 5.2 pounds if each book weighs the same amount then how much does each book weigh
statuscvo [17]

Answer:

1.3 pounds

Step-by-step explanation:

8 0
3 years ago
Solve for x. The triangles in each pair are similar
liubo4ka [24]
9x +1= 0
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X= 9-1
X= 8
3 0
3 years ago
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