Exact solution(s) for sinx/2 if cosx=-12/13 and xE[pi, 3pi/2]

Find the equation for the following logarithmic equation

d(t)= 36/1+0.3(1.3)^t, tis greater than and equal to 0. How long does it take (to the nearest tenth) for the snowball to melt to to half itsoriginal diameter?

d(t)= 36/1+0.3(1.3)^t, t is greater than and equal to 0. How long does it take (to the nearest tenth) for the snowball to melt to to half its original diameter?

Angles x and y are located in the first quadrant such that sinx= 3/5 and cosy= 4/5. Determine the exact value of sin(x+y).

The point (2,3) is on the graph of y=f(x). Determine the corresponding coordinates of this point on the graph of y=-2(f(2(x+5)) -4

Factor x^{3 +} 2x² - 5x - 6 fully.

A home computer costs $9/year in electricity costs. If a new computer costs $2000 to purchase and lasts for 5 years find the total annual cost for this computer

what is the aroc of  $f\left(X\right)=x^2-4x+7$ƒ (X)=x²−4x+7 on the interval 1 $\le$≤  $x$x  $\le$≤ 3

10. Solve each of the following, ????∈????. Round your final answer to 2 dp unless exact. 

????(3−????)^2(????^2 +5????−7)=0