Leasha

A ball is thrown straight up into the air with a velocity of +20.5 m/s. Find the velocity of the ball after 2.5 s.

An equilateral triangle is inscribed in a circle. The radius of the circle is 21 in. Determine the side length of the triangle to the nearest 10th of an inch

Find the extreme value(s) of the function f(x)=1/(1-x^2). I tried, and for the first derivative I got -1/(2*sqrt((1-x^2)^3)). I then found critical values of the function to be -1 and 1. However, the textbook says that the minimum value is 1 at f(0), and...

To add to that, make sure you know that most -er verbs in the passé composé end with é

Thanks so much!

PV=nRT *n = #mol* n=PV/RT (1atm*1L)/(0.0821(L*atm/K*mol)*293K)=n 0.42=n 1mol O2= 32g O2 (according to the periodic table) 0.42mol*32g = 13.44g O2

Passé composé is the English equivalent of "I have", but it's used more frequently in French. To make a sentence into passé composé, one must add the correct conjugation of the verb "avoir", and then the past participle of the verb you are describing. How...

Ionic bonds tend to have an electronegativity difference ranging from 1.7-4.0. Looking on the periodic table, we can determine the ionic bonds. H--S 2.2--2.58 (difference of 3.8) Si--Cl 1.9--3.16 (difference of 1.26) Cs--Br 0.79--2.96 (difference of 2.17)...