46m

Please help me understand this physics question!

Professional baseball pitchers deliver pitches that can reach the blazing speed of 100 mph (miles per hour). A local team has drafted an up-and-coming, left-handed pitcher who can consistently... more

What many ions of Mg are in 50 g of MgCl2?

The answer is 3.16*10^23...But how?

Using the unit circle, create the following:

a) Write a trigonometric equation for which the solutions lie in quadrants I and II. Solve the equation for 0 ≤ θ < 2π.b) Write a trigonometric equation for which the solutions lie in quadrants... more

4h

One less than three times a number is seven

4h

Factor the common factor out of -12+15x

4h

Factor the common factor out of -12+15x

How to graph -2x^2-10x+28

Differentiate y = (r^2 − 6r)e^r

If cos ⁡x=−1/2, and 90°<x<180°, find tan⁡(x+30°).

If cos ⁡x=−1/2, and 90°<x<180°, what is tan⁡(x+30°) in radical form?

If sin⁡ x=2√2, and 90°<x<180°, what is tan⁡(x/2)?

If sin⁡ x=2√2, and 90°<x<180°, what is tan⁡(x/2)??

If sinx=−1/2, and 270°<x<360°, what is cos(x−30°)?

If sin x=−1/2, and 270°<x<360°, what is cos(x−30°) in fractional form?

If sin ⁡x=−1/2, and 270°<x<360°, find tan⁡(x−30°).

If sin ⁡x=−1/2, and 270°<x<360°, what is tan⁡(x−30°) in fractional form?

If sec x=2, and x is in 270°<x<360°, what is tan(x/2)?

If sec x=2, and x is in 270°<x<360°, what is tan(x/2) in fractional form?

What is the best way to improve your ear?

Are there specific exercises or things that I can do that will improve my ear and allow me to "hear" more in my head?

how do i solve ?

What is the height (h) of the figure below if the base is 26.3 units and the area is 220.92 square units?

Inductive effect and delocalization on relative acidity

Why is the pKa of benzoic acid lower than that of phenol? That would mean benzoic acid is a stronger acid and has a more stable conjugate base. But, benzoic acid does not have a signficant amount... more

Write a polynomial function of least degree in standard form that has rational coefficients, a leading coefficient of 1, with roots of 0, 2, and 3 squared

I really need help, polynomial functions by itself are hard but with the addition of the square root I’m lost
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