$x^2=30-13x\ \ \ |+13x-30\\\\x^2+13x-30=0\\\\x^2+15x-2x-30=0\\\\x(x+15)-2(x+15)=0\\\\(x+15)(x-2)=0\iff x+15=0\ \vee\ x-2=0\\\\\boxed{x=-15\ \vee\ x=2}$

5 0

3 years ago

a satellite is orbiting the Earth at a speed of 17,640 miles an hour. At this rate how many miles will the satellite travel in o

antoniya [11.8K]

294 miles because 17640 / 60 = 294

5 0

4 years ago

Please help me :(( I don't understand this (30 pt!!)

Ivenika [448]

<h3>A 5-hour flight takes 65 Gallons</h3>

Step-by-step explanation:

2 hours=26 gallons or 2:26

We should simplify the ratio to see how many gallons an hour flight uses.

26÷2=13 or 13 gallons

1 hour=13 gallon

Now we see how much gas a 5-hour flight takes.

5x13=65

5 hours=65 gallons

8 0

2 years ago