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solving inequalities in algebra
solve the inequality: 5x - 3 < 7 AND 2 - x < x + 6
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.
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
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...
(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?
I Cant solve this help! x^2+y^2-6x+8y=-9
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...
how do you solve 8x+32/x^2-16
it is radicals what if x has no value and results in denominator with a value of 0 and is not undefined
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
equation factoring
25x2 + -9 = 0
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
Which ordered pair does not satisfy the system 2x + y > 0 and -2x - y > -8?
(3, -2) (2, 3) (-1, 4) (-1, -1)
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...
tell whether the lines for the pair of equations are paralell, perpendicular, or neither
7x-4y=4 x-4y=3
i cant seem to get the right answer i put 1 after all the
the exponent is the 3 the base is 2 -(29-8X3) ......i got 1
