X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Answer:
1070 cm.
Step-by-step explanation:
Its correct for Khan Academy:)
The answer is A) P’(5,4)Q’(2,7)
hope this helped .
Answer:
The height of the ramp is 1.39 m.
Step-by-step explanation:
We have,
A wheelchair ramp is 8.0 m long
The angle of inclination is 10°
It is required to find the rise of the ramp.
Here, hypotenuse is 8 m and angle of inclination is 10°.
Using trigonometry to find it.

x is rise of the ramp

So, the height of the ramp is 1.39 m.