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Identify the solution(s) of the system of equations

Identify the solution(s) of the system of equations   3x+2y=4 5x-4y=3

x+5y=6 5x-5y=6

Identify the solution(s) of the system of equations x+5y=6 5x-5y=6

solving inequalities in algebra

solve the inequality: 5x - 3 < 7 AND 2 - x < x + 6

is it possible?

Algebra 1 word problem about horses.

At a horse show, ribbons are given for first, second,third, and fourth places. There are 20 horses in the show. How many different arrangements of four winning horses are possible?

Scatter plot help!!!

A trend line should always pass through ate least two actual data points on a scatter plot. True or false?.?

choose one rule that applies to exponents, explain how the rule works, and provide an example for your classmates to solve.

choose one rule that applies to exponents, explain how the rule works, and provide an example for your classmates to solve.

help in algebra 1

Write a system of equations to model this situation. Then use your system to solve. At a garage sale a CD costs three books and 2 CDs. You spent \$18. What is the price of a CD and the price of a book...

(x-8) less than or equal to [ (40/(x+4)) - (90/(x+5)) solve for x

Another one is (6x-5 ) < (6/x)   Do you solve for x on these the way that you would if it were an equal sign rather than <> signs?

If you add 3 to my age and divide the sum by 5, you will have my daughter's age. But 3 years ago I was 8 times as old as my daughter was. find their ages now.

I've got (m+3)/5 =d and m-3=8d My teacher wrote m-3=8(d-3). But no matter which equations I use. I keep getting decimals, negative numbers, or fractions for the ages. Please help and explain...

The number of internet I in millions during the year x , where x> 2000 can be approximated by the following formula. I=106x-211,542

Algebra word problem

x^2+y^2-6x+8y=-9

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.

A square tile has a side 4 cm long. Use the appropriate formula model to find the area.

A square tile has a side 4 cm long. Use the appropriate formula model to find the area. What is the area of the square? Include units with your answer.

How do I find the exponential key/growth of something?

This is the problem:   The number of bacteria in the petri dish quadrupled every hour. There were 1000 bacteria at t=0 a) write an exponential equation that expresses the number of bacteria...

25x2 + -9 = 0

Which ordered pair does not satisfy the system 2x + y > 0 and -2x - y > -8?

(3, -2) (2, 3) (-1, 4) (-1, -1)

What is the solution to h=-4.9t^2+20t+10 for t

The height(h) of a stone, in meters, thrown into the air can be modeled by the equation h=-4.9t2+20t+10, where t  represents time in seconds. How many seconds will it take for the stone to hit the...

Hot Air Balloon

An object is dropped from a hot-air balloon 1296 feet above the ground. The height of the object is given by h=-16(t-9)(t+9) Where the height H is measured in feet, and the time T is measured...

how do you find the x-intercepts of the graph of y=2x^2+x-10

I dont know how to figure this question out and there are going to be questions like this on my ECA.  how do you find the x-intercepts of the graph of y=2x2+x-10

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