Answer:
Step-by-step explanation:
xy=-30
y=-30/x
x+y=-4
x-30/x=-4
x²-30=-4x
x²+4x-30=0


Answer:
D
Step-by-step explanation:
If he jogged
miles every day, and he jogged a total distance of
miles, then he runs for
days. This is an extension of the
or distance equals rate times time.
We plug in for y and x to get that he runs for
.
So, the answer is
and we're done!
Quotient=19
remainder= 3
or
mixed number = 3/35
Answer: x=7
Step-by-step explanation:
Step 1: Subtract 17x from both sides.
13x+15−17x=17x−13−17x
−4x+15=−13
Step 2: Subtract 15 from both sides.
−4x+15−15=−13−15
−4x=−28
Step 3: Divide both sides by -4.
−4x/−4 =−28/−4
x=7