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1. solve the equation for y: -8x + 4y = 20
a. y = 2x - 5
b. y = 2x + 5
c....
Mathematics, 19.09.2019 21:30 carlinryan
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1. solve the equation for y: -8x + 4y = 20
a. y = 2x - 5
b. y = 2x + 5
c. y = 1/2x + 5
d. y = 1/2x + 20
2. given v = 2πr²h, solve for h
a. h = v/2r²
b. h = v2πr²
c. h = v - 2πr²
d. h = v/2πr²
3. given the equation p = 2w + 2l solve for w
a. 2w = p - 2l
b. w = 2l + p/2
c. w = p - 2l/2
d. w = 2l - p/2
4. given a = bh solve for b
a. b = ah
b. b = h/a
c. b = a/h
d. b = a/b
5. given 2x - y = 6 solve for y
a. y = 2x + 6
b. y = 2x - 6
c. y = -2x + 6
d. y = -2x -6
6. solve the system of equations
x + 3y =7
x - 3y =1
a. x = 4, y = 1
b. x = 1, y = 4
c. x = - 2/3, y = 3
d. x = 3, y = - 2/3
7. solve the system of equations
2x - 2y =6
3x + 2y =9
a. x =0, y=3
b. x=3,y=0
c. x=1,y=-2
d. x =-2,y=1
8. solve the system of equations
6x + 3y = 9
2x + 3y = 1
a. x=2,y=-1
b. x=-1,y=2
c. x= - 1/2,y=3
d. x=3,y= - 1/2
9. solve the system of equations
4x + 3y = 6
-4x + 2y = 14
a. x = 1/2, y = 3
b. x = 3, y = 1/2
c. x = 4, y = - 3/2
d. x = - e3/2, y = 4
10. solve the system of equations
x + 3y = 5
-x + 6y = 4
a. x =1,y =2
b. x =2, y =1
c. x =1, y =1
d. x =0,y = 2
Answers: 1
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