05/30/14

calculate f prime

Given that f(x)=x6h(x) h(-1)=4 h prime(-1)=7 Calculate f’(-1)

05/30/14

What percent of 313900000 is 10728?

What percent of 313,900,000 is 10,728?

05/28/14

(2x + 7) divide 3y + z Where x=10, y=3, z=5

Ok thanks I double checked with the teachers and it should've read with a divide between the first bracket and 3yagain just looking for advice on answers of 8 or 32?thanks

05/28/14

Factorise:3b^2=31b+22

Use factorisation method

Find the x- and y-intercepts for the line given by the equation 3x + 2y = 12 Find the equation of the line that passes through the points (3,1) and (2,-1).

These are math problems I have challenge in knowing how to know which principles are applicable and how to apply them properly and how to write the equation in slope-intercept form. The answer to... more

05/27/14

Algebra 2 chapter 10

If 5500 is invested at a rate of 8% compounded continuously, find the balance in the account after 2 years

05/27/14

Calculus and Vectors!

A ramp is inclined at 12 degrees to the horizontal. A cart is pulled 8m up the ramp by a force of 120N, at an angle of 10 degrees to the surface of the ramp. Determine the mechanical work done... more

05/27/14

Calculus and differentiating

calculate d/dx f(g(x)) is f(x)= 8x^3+5x^2-7 and g(x)= 2x+7

$10,000 bonus in a fund that paid a 12% profit and invest the rest in stock that suffered a 4% loss. whats investment if her overall net profit was $1,040

Susan Marciano invested part of her $10,000 bonus in a fund that paid a 12% profit and invest the rest in stock that suffered a 4% loss. Find the amount of each investment if her overall net profit... more

05/26/14

s={(-1,4), (-3,0),(-4,-4), (5,-3) give the domain and range of s

Domain and range of s

Write an equation of the comic section. 1) Circle with a center at ( 3,4) and a radius of 3

CIRCLE HAS A CENTER OF (3,4) AND A RADIUS OF 3

05/26/14

Find P if R= 66 2/3% and B=120

Find P if R = 66 2/3% (Fraction) and B=120.   P =

05/26/14

identify the rate, base and portion. What percent of 158 is 42.8?

Identify the rate, base and portion. What percent of 158 is 42.8?

A company sold garden hoses at a reduced price of $6.61 and took an end-of-season markdown of $11.38.

A company sold garden hoses at a reduced price of $6.61 and took an end-of-season markdown of $11.38. What was the original selling price of each hose? Use the formula M=S-N, where M is the... more

05/26/14

A man sold 4 times as many tie-dyed Tshirts as silk screened shirts. He sold 195 shirts altogether. How many tie-dyed shirts did he sell?

Last week at a festival a man sold 4 times as many tie-dyed Tshirts as silk screened shirts. He sold 195 shirts altogether. How many tie-dyed shirts did he sell?

05/25/14

Bear population. To estimate the size of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later

 I am back still am confused and frustrated please help me answer this one.

8(b-x)=6b+ax solve for x

I need help to solve for x in the equation 8(b-x)=6b+ax

05/25/14

plane on a string, I need to know the net force please

there is a toy plane on a string, going in a circle with velocity of 25m/s   the arrow from the cockpit up is F lift, the arrow from the cockpit down is Fg, and from the wing to the string is Ft.... more

05/25/14

The interior angles of a regular polygon measure at 144 degrees each. How many sides does the figure have?

i need to know how many sides the figure has 

05/25/14

Avery's temperature dropped 1°F each hour fro 3 hours. What is the temperature after three hours?

I think something is missing unless the answer is just    x-1*3=y   but that does not seem right. I have always solved where there is an x and or a y but never without both. How do I solve this?

05/25/14

At a classical concert, how is the list of the pieces that are going to be performed called?

At a classical concert, how is the list of the pieces that are going to be performed called?   In Bulgarian, this is called "programme". And you can say "I did not learn this fact from the... more

05/24/14

parachute reaches terminal velocity Fdrag and Fg850N What is value of Fdrag, net force, acceleration

problem says parachute reaches terminal velocity. it has Fdrag at the top of parachute and Fg=850N at the bottom. I need the value of Fdrag, net force, acceleration, and is it  balanced or unbalanced

12 - 2 x 6 + 2/2 = ?

I'm in a debate with my brother about the order of operations with this one. Is the answer 1 or -1?  Please show your work.  Thanks!

05/24/14

For what value of the constant c is the function f continuous

For what value of the constant c is the function f continuous on (-infinity,+infinity) when f(x)= {s2-c      if s E (-infinity,8)          {cs+4     if s E [8,infinity)  

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