Asked by deedra
Can someone check over these problems for me?
1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm?
A: the length must be greater than 7 cm.
2. 7x=-63
A: x=-9
3. Is (-8.-9)a solution of 2x+4y=12
A: No
4. -1/2x=-9/10
A: 9/5
5. Solve the system of equations
x+3y=7
x=8-3y
A: No solution
6. find slope
(9,8)
(10,-7)
A:-15
1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm?
A: the length must be greater than 7 cm.
2. 7x=-63
A: x=-9
3. Is (-8.-9)a solution of 2x+4y=12
A: No
4. -1/2x=-9/10
A: 9/5
5. Solve the system of equations
x+3y=7
x=8-3y
A: No solution
6. find slope
(9,8)
(10,-7)
A:-15
Answers
Answered by
bobpursley
correct.
Answered by
deedra
thank you!
Answered by
petra
pls solve 3x10=(2x10)+(1x_)
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