Solve -9x+7y=-6 by using substitution
1 answer:
Answer: y = 9x/7 − 6/7
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
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62=14+2x i think im not 100 % sure but i think
Answer:
40 - 3*(3 + 8) = 7
Step-by-step explanation:
Sneaky!!!
40 - 3(3 + 8) = 7
40 - 3 * 11 = 7
40 - 33 = 7
which is the solution.
Answer:
$8,640
Step-by-step explanation:
I =PRT/100
multiply PRT and divide by 100
Answer:
The other segment line of hypotenuse AB=20
Step-by-step explanation:
According to Pythagorean theorem
A^2+B^2=C^2
so 25^2=15^2+AB^2
we can get AB=20
Hi!
We will find the hours of labor, x, like this:
140 + 48 * x = 260
48 * x = 260 - 140
48 * x = 120
x = 120/48
x = 2,5 hours of labor were required
Hope this helps!