05/03/13

could you help me with these tow problems...... 8x/x+1 - 3/x+1 and this one 6/7x + 1/4

i need help figuring out these two problems thank you in advance

05/03/13

please help with an algebra problem

(-2, 1) y - 1/2x, -2y = -5x-12

05/03/13

its a maths question but is if you add 23 + 332 what ist the answer?

what ist 23+332

t is 4 more than the product of 7 and s

write a funtion rule that represents each sentence  t is more than the product of 7 and s

05/02/13

Find the maximal value of f(x, y)?

Find the maximal value of f(x, y)=3y+4x on the circle x^2+y^2=1.

05/02/13

Solving equations

f(x)=-x^2 + 3x + 2 g(x) sqrt(x-2), f.g(x), g.f(x) g.g(-2)

05/02/13

solving and equations

Given f (x) = 2x + 7and g(x) = -2x^2 - 5x + 7, find the following: f+g, f-g, f.g f/g

05/02/13

Flying with a tailwind a plane averaged 158 km/h. On the return trip the plane averaged 112 km/h with same wind. Find wind & plane speed in still air.

I got as far as  plane speed + wind  = 158 and plane speed - wind = 112. But I don't know how to solve the problem.

05/02/13

Find a 2 decimal place number between 0 and 1 such that the sum of its digits is 13 and such that when the digits are reversed the number is decreased by 0.45.

 I understand there is a standard formula for figuring these out, but I don't really understand why. I think it's something along the lines of 0.1t +0.01h =13 and 0.01t + 0.1h = 12.55. But I'm... more

3y+x+5=3 can you help me solve this?

3y+x+5=3   I don't know how to do this, and I was wondering if you could help me step by step. 

05/02/13

how to solve (5x^2+2x+1)(x^2-3x+5)

how to solve (5x^2+2x+1)(x^2-3x+5)

05/02/13

how to solve a problem in algerbra

Find the value of 18x − 3 for the following value of x. 4/3 In my text book I am unable to find out how to solve this problem can you please show me the steps so I am able to solve the problem and... more

05/02/13

A rectangle garden with an area of 960 m2 in a school which measures 1 km by 800 m. Find the area besides the garden.

A rectangle garden with an area of 960 m2 in a school which measures 1 km by 800 m. Find the area besides the garden. i need to know what it is

05/01/13

Find (d^2*z)/(dx^2)+(d^2*z)/(dy^2).

z=(e^x)(cos(y)). Find (d^2*z)/(dx^2)+(d^2*z)/(dy^2).

05/01/13

i need help simplfying

I need help simplifying expressions: i have 9x+2-5x-3 four

inequalities

i missed school because i was sick and missed how to do inequalities. I looked it up and it looks really confusing!!! Can you help!?!?!?!?

05/01/13

how do you graph y=lnx+3

and find the domain and range. y=lx+3 graph??

05/01/13

solving for x

Solving equations that equal zero.

05/01/13

3 adults and 2 children purchase movie tickets totalling $32.25. What were the costs for adult and children tickets?

A family of 5 (2 adults & 3 children) go to the movies and they pay $27.75. The group of 5 behind them (3 adults & 2 children) pay 32.25. Figure the cost per adult and per child. Show your... more

How do you make a graph out of an equation? (x,y)

for example: x+2y=6 How would you make those into coordinates on a graph?

05/01/13

Given the sequence 3,7,11,15,19

Write a formula for the sequence to find the nth term Use the formula to find the 50th term in the sequence What kind of sequence is this

(–2 – c)(–1)

(–2 – c)(–1)

05/01/13

how to find the summ

Find the sum: 1+2+3=...+94 using Gauss's approach Please show how you arrive at this answer

Explain how you would factor the trinomials of the form

1) x^2 + bx + c 2) ax^2 + bx + c Is there more than one way to factor these trinomials? Describe the process of factoring in your own words, and demonstrate the factoring of a trinomial with an... more

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