Answer:
x ≈ 44.80
Step-by-step explanation:
As it's a right angle triangle so we will use rules of trigonometry.
The tangent of the angle = the length of the opposite side /
the length of the adjacent side
First we need to find angle z
<h2>angle z</h2>
52° + z° + 90° = 180° <em> sum of angles of triangle</em>
142° + z° = 180°
z° = 180 - 142
z° = 38°
<h2>x</h2>
Tan z° = opp / adj
Tan 38° = 35 / x
x = 35 / Tan 38°
x = 35 / 0.78
x = 44.7979
x ≈ 44.80 <em> (correct to 2 decimal place)</em>
60 seconds in a minute, but if you divide 60/3, you’ll get 20. So 20*4=80 gallons/min. If you multiply 80*60=4,800 gallons/hr
if it is asking for compound interest your answer should be 49761.9
You can either do this on the calculator, or in your head. As its a larger number, it is worth doing it on the calculator.
413/14= 29.5
The alternative method is to list all of the tens multiples, and the smaller multiples when you're getting close to the answer, and this will be able to help you.
14x10= 140
14x20=280
14x30= 420 (which is slightly too big)
14x29= 406 (slightly too small)
14x29.5= 413
Hope this helps :)