September 14, 2014

Homework Help: Math - Trigonometry

Posted by Anonymous on Tuesday, July 17, 2012 at 6:56pm.

Find the value of x on this right triangle when a=20 b=5x-10 and c=2x(Square root of 5)
A. x = 15
B. x = 10
C. x = 12
D. x = 16

A wheel 5.00 ft in diameter rolls up a 15.0 incline. How far above the base of the incline is the top of
the wheel after the wheel has completed one revolution?
A. 13.1 ft
B. 8.13 ft
C. 9.07 ft
D. 4.07 ft

Solar panels are used to convert energy from the sun into electricity. To get the best result, the panel
has to be perpendicular to the sun's rays; in other words, angle has to be a right angle. What should the height, h, be if is a right angle, a solar panel is 12 ft long, and the sun's angle of elevation is 38?

A. 9.4 ft
B. 9.5 ft
C. 15.4 ft
D. 7.4 ft

Which of the following pairs of angles are coterminal?
A. 100 and 620
B. 25 and 25
C. 390 and 750
D. 30 and 60

Answer this Question

First Name:
School Subject:

Related Questions

math - If the hypotenuse of a right triangle is 10 and one leg is 5 square root ...
math test review - 16. If the base of a right triangle is 8 (square root)2 and ...
Trig functions and such - 1)Find the exact value of cot(-315) A)1 B)square root ...
math - determine the area of triangle abc when side ab= square root of x, side ...
MTH 157 - I need help on these two questions. 1. Describe what happens to the ...
Algebra - Hello Reiny, please check these problems for me and if they are not ...
geometry - The lengths of three sides of a triangle are given. Describe each ...
Math simplifying mixed radicals - Please help me simplify these following mixed ...
math - 2.)If f(x)=3x,g(x)=x-3,and h(x)= the square root of x, find (fogox)(X). ...