Answer:
7
Step-by-step explanation:
-63/-9
7
10 times 50 is 500
So your answer is 50.
Answer:
is all the equations together or you need to solve each seperately?
Answer:
(a)
(b)
Step-by-step explanation:
The sum of the angles inside a triangle must be 180°, but from the right angle we already have 90°, so the sum of the two acute angles is 90°, then:

Let
be the length of the shadow and
the height of the three, so tan(35) is

Solving that last equation for h:

Answer:
Yes.
Step-by-step explanation:
We can check by dividing 40.7 by 10.
=> 40.7 ÷ 10
=> 4.07
Therefore, Ethan is correct.
Hoped this helped.