Friday
May 24, 2013

Posts by Bill


Total # Posts: 638

Calculus
What is the derivative of sin(3x+1)^4?

Calculus
Find dy/dx using implicit differentiation of xy + sin^2y=10350. Is it -y/(x+2siny)

Calculus
Dervative of cos(x) is -sin(x) so it would be negative.

Math
How do you solve this equation; There are 128 7th graders at Mark's school, if there are 16 more girls than boys, how many 7th grade boys are there?

Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 5.00 s later. By how much does the ball clear or fall short (vertically) of clearing the cr...

Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 5.00 s later. By how much does the ball clear or fall short (vertically) of clearing the cr...

writing (persuasive essay)
Hi. I'm in 10th grade and our teacher assigned us a persuasive essay to write in class over a topic that we debated about for the last two weeks. Every team had a different topics (mine was school should start from 11 am. to 5 pm), but now we're going to write a persua...

math
write 718.5 in scientific notation

Physics
A swimmer, capable of swimming at a speed of 0.8 m/s in still water (i.e., the swimmer can swim with a speed of 0.8 m/s relative to the water), starts to swim directly across a 2.5 km wide river. However, the current is 0.91 m/s, and it carries the swimmer downstream.

6th grade math
the answer is 15 because nothing inside the lines can be negitive

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