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# if x=3, y=2 and z=4 what would W=2x^-YZ be

hi I need help solving this problem please if x=3, y=2 and z=4 what would W=2x^-YZ be

# Imagine a plane and a cone intersecting to form a parabola. Explain why the plane has to intersect the axis of the cone.

This a math homework problem and i don't understand it.

# exams scores

. Students in a math class took a final exam and then took equivalent forms of the exam at monthly intervals thereafter. The average score f(t), as a percent, after t months was found to be given...

# x + x/2 - 4 = x/4

How do I solve this?

# stumped grandma with algebra

6-x=15 what is x?   I am a grandmother and am lost with this to help my granddaughter. How do I go about solving this? Thanks, Patti

# If i have a 82.31% grade average in a math class. If the final exam is 31% of my grade. What do i need to get on the final exam to receive a 75% in my math clas

need help answering a algebra question

# Word problem help

Suppose \$5000 is invested at interest rate k, compounded continuously, and grows to \$6954.84 in 6 years. Find interest rate. Find exponential rate, find balance after 10 years, find the doubling time...

3y/over y(5y-1)  + 2/over 5y-1=   Answer in lowest terms and leave in factored form.

Algebra help

# Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject.

Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject. please help and show all your working out!  Thank you very much!!

# Solve the following equations

Solve the following equations:  a) 2x + 1=7 b) 2x - 9 =25 c) 5x - 20 = 3x - 8 d) 4r - r over 4 = 15  and the r is above the 4 and the four is under a line! Sorry...

# Make y the subject of 4y-2x=17 and 2y over 3-x=z

Make y the subject of 4y-2x=17 and 2y over 3-x=z (by over i mean that 2y is above 3 and 3 is under the line if you know what it mean!)  please help and show working out! thank...

# Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place

Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place.  ease help and show working...

# One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm.

One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm. How long are the sides of the rectangle? please...

I need help with my algebra work, i'm home schooled and my mum doesn't know how do do algebra, please help!  Make y the subject of: 4y-2x=17     And   2y...

# Factor the difference of two squares. A^2-121

Factor the difference of two squares of a^2-121

# x^2 + x - 6 / x + 2 / 3x - 6/x - 3

x^2 + x - 6 / x + 2  / 3x - 6/x - 3