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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?
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...
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.
I Cant solve this help! x^2+y^2-6x+8y=-9
x^2+y^2-6x+8y=-9
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-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?
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...
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.
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...
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
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.
Choose the equation below that represents the line passing through the point (1, -4) with a slope of 1/2.
I need step by step help
(p-5)(p+3)=0
Solve the equation!!!!!!!
(b-7)(b-10)=0
Solve the equation!!!!!!!!!
Factor Out the greatest common monomial factor: 4m-2
I NEED HELP WITH MY HOMEWORRK!!!!
Factor out the greatest common monomial factor: 5x-10
I need help with my math worksheet!!!!!!!!!
equation factoring
25x2 + -9 = 0
I am having problems with variables on both sides. I get most of the concepts but I need help with adding fractions into the equations.
I am one of the only seventh graders in an algebra 1 class she is basing her lessons on what the eighth graders learned last year in pre-algebra. My teacher calls the equations many different things...
tell whether the lines for the pair of equations are paralell, perpendicular, or neither
7x-4y=4 x-4y=3
