03/02/20

The probability that an individual is right-handed is 0.90. In a class of 25 students, find the probability that... (Let X = number of individuals who are right-handed)a. 22 students are... more

02/29/20

#### Calculus Question

(a) If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dr/dt. (b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern.... more

02/21/20

#### trig need help, with one last equation in my problem

If sinx=49, x in quadrant I, then find (without finding x)sin(2x)= 2(4/9)(sqrt(65)/9)cos(2x)= 1-2(4/9)^2tan(2x) = ?

02/21/20

#### need help with trig

Use a half angle formula or formula for reducing powers to fill in the blanks in the identity below: (cos(2x))2 = __ + __  cos(__x)

02/20/20

#### line that passes through (1, 5) and is parallel to the line y=−4x+2.

line that passes through (1, 5) and is parallel to the line y=−4x+2.

02/20/20

#### The product of 8 and three less than a number

Change the worse phrase to an algebraic expression. Use X to represent the number.

02/20/20

#### If tan⁡ x=24/7, and 0°< x <90°, what is cos⁡(2x)?

If tan⁡ x=24/7, and 0°< x <90°, what is cos⁡(2x)?

02/20/20

#### If cos x=−6/7, and 90°<x<180°, what is cos⁡(2x)?

If cos x=−6/7, and 90°<x<180°, what is cos⁡(2x)?

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.