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Oksanka [162]
3 years ago
5

Whats the solution to the given system of equations? -5x+8y=-36 5x+7y=6

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

Answer:

x=4, y=-2

Step-by-step explanation:

-5x+8y=-36

5x+7y=6

eqn 1+ eqn 2 gives

15y=-30

divide both sides by 15

y=-2, put in eqn 2

5x+7(-2)=6

5x=20 divide both sides by 5

x=4

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lesya692 [45]
<span>4(9n-9)
= 4*9n -4*9 (distributive property)
= 36n -36

The correct answer is c. </span>36n -36~
8 0
4 years ago
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The heights of the peach trees in an orchard are normally distributed with a mean of 12.5 feet and a standard deviation of 1.8 f
Zina [86]

Answer:

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3 years ago
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Katyanochek1 [597]
A number has exactly eight factors. Two of the factors are 10and14. What is the number , and what are all the factors
3 0
4 years ago
Does somebody knows how to do this problem?
pshichka [43]

Answer:

Angle Q is 51°

Angle R is 96°

(x=5 and the exterior angle is 84°)

Step-by-step explanation:

Exterior Angle Theorem says that angle that's outside the triangle (extend a side and see the angle between the side extension and the side) IS Equal to the sum of the two angles that are farther away.

17x - 1 = 33 + 10x + 1

Get all the x's on one side of the equation.

17x-10x - 1 = 33 + 10x-10x+1

7x - 1 = 33 + 1

7x - 1 = 34 add 1 to both sides

7x = 35 divide by 7

7x/7 = 35/7

x = 5

Not finished ! Find Angle Q

10x+1 = 10(5)+1= 51°

Angle PRQ is insidethe triangle. All the angles of a triangle add up to 180°

33° + 51° + R = 180°

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R = 96°

6 0
2 years ago
What is bigger 1/4 or 1/6
Luda [366]

Change each fraction into decimal.

1/4 = 0.25

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0.25 is greater than 0.17 (rounded) by 0.08

1/4 is your answer

hope this helps

8 0
3 years ago
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