Wednesday
June 19, 2013

Posts by Jennifer


Total # Posts: 1871

College Algebra
Suppose that the Quadratic equation had two X-intercepts. How could you use the intercepts to find the vertex?

College Algebra
When using the Quadratic formula, why is only necessary to examine the discrimant to determine if the equation only has real numbers?

tech III math ( ACT Prep)
A neon sign flashes every 4 seconds, another neon sign flashes every 6 seconds. If they flash together,how manyseconds later will they flash together again?

Physics
How much work does it take to stretch the spring from 10 cm to 20 cm from equilibrium?

Chemistry
calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml

Chemistry
calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml

pre calc
Find the exact value of sin(x-y) if sinx=-3/5 in Quadrant III and cosy=5/13 in Quadrant I.

Calculus
Using the four-step process find f(x)= 13 I know it is 0 and how to do the 4-step process, I just don't know how to do it without an exponent. Help please!

Calculus
An OPEN box has a square base and a volume of 108 cubic inches and is constructed from a tin sheet. Find the dimensions of the box, assuming a minimum amount of material is used in it's construction. HINT: the goal is to minimize the surface are of the OPEN box; this is th...

roslyn
Margo's soccer coach brought a large bag of watermelons to practice. The mass of the bag with all the watermelons in it was 12 kilograms. Explain how you could use estimation to figure out how many watermelons are in the bag.

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