Math Answers

Solve the right triangle given a = 9 and b = 12.
Solve the right triangle given b = 5 and c = 7.
Solve the right triangle given a = 8 and A = 50◦
Solve the right triangle given c = 5.6 and B = 17◦
Solve the right triangle given a = 3 and B = 10◦

Find the length of the chord of a circle of radius 100 feet subtended by an angle of 75◦ ?

express 25/78 + 9/39 -11/13 as a single simplified fractions

The function f, defined by f(x)=xcube-6xsquare+16x-15 is increasing in R or not.

Find the area of a circle with diameter
10ft
.
Use the value
3.14
for
π
, and do not round your answer.
Be sure to include the correct unit in your answer.

10ft

Explain and justify which plan would best suit her needs.
a.
Samantha should not switch to the interval use plan, which would cost $126.00 more per month.
b.
Samantha should switch to the interval use plan, which would save her $126.00 per month.
c.
Samantha should switch to the interval use plan, which would save her $35.50 per month.
d.
Samantha should not switch to the interval use plan, which would cost $35.50 more per month.

The linear equation y = 4x + 90 can be used to calculate the total cost y (in pounds) for x teenagers attending if they choose the cinema. Explain why this equation holds

(2yx^2 +4)dy/dx+(2y^2x -3)=0

dy/dx=(y-x)/(x-4y)

find the complete integral of the equation (dz/dx1)(dz/dx2)(dz/dx3)= (z^3 X1 X2 X3)