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Question 401578: How do I solve this problem

Click here to see answer by ditch9611(1)

Question 401498: How do you compute the derivative of a given function and find the slope of the line that is tangent to its graph for the specified value of the independent variable.
f(x)=4;x=0 or f(x)=5x-3;x=2
Click here to see answer by richard1234(7193)

Question 401610: I am taking the test for a nursing school
Click here to see answer by algebrahouse.com(1659)

Question 401611: I am taking the test for a nursing school
Click here to see answer by rfadrogane(214)

Question 400955: How do you solve equations with variables.
Click here to see answer by rfadrogane(214)

Question 401639: 8-4x>-12
Click here to see answer by micheal jacob(2)

Question 401711: Estimate how many centimeters are in 100 feet using the formula C=2.54XI A.25cm B.250cm C.2500cm D.25000cm
Click here to see answer by Alan3354(69443)

Question 401790: What does 30 over the square root of 2 mean
Click here to see answer by rfer(16322)

Question 402002: A is eleven times as old as B. In a certain number of years A will be five times as old as B, and five years after that she will be three times as old as B. How old are they now?
Click here to see answer by stanbon(75887)

Question 402008: Shannon�s mini-van travels 30 mph faster than Chris� Harley. In the same time it takes Chris to travel 75 miles, Shannon travels 120 miles. Solve for the speeds of Chris and Shannon.
Click here to see answer by robertb(5830)

Question 401975: How do you do 13/10=52/x
Click here to see answer by robertb(5830)

Question 402139: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by rapaljer(4671)

Question 402126: I want to take the GED test but I don't understand algebra at all. I have a very difficult time understanding all areas in algebra. Any help and/or suggestions would be greatly appreciated. Thank you for you time.
Sincerely,
Deangelo Lindsay
Click here to see answer by rapaljer(4671)

Question 402184: Qs=-2+p
Qs=8-p
Click here to see answer by sofiyac(983)

Question 401472: (2x^2-5)/3=-4
Click here to see answer by sofiyac(983)

Question 402252: Put this into slope inter cept form 2x-3y=9
Click here to see answer by solver91311(24713)

Question 402266: Solve using substitution
3x+y=13
2x-4y=18
Click here to see answer by rfer(16322)

Question 402284: a carpenter is building a rectangular room with a fixed perimeter of 128 ft. what dimensions would yield the maximum area? what is the maximum area?
Click here to see answer by solver91311(24713)

Question 402314: 3.2 divided by 0.04
Click here to see answer by sofiyac(983)

Question 402308: A 5kg block of ice falls away from the roof of a block of flats, at a height of 26m above the ground.
a) find out how long it takes for the ice block to hit the ground.
b) what is the speed at which the ice block hits the ground.
c) how much energy it transfers to the surroundings when it comes to a stop
(g=9.8)
I have tried and found: a) t=2.3s b) v=22.54m/s but the last part i'm lost!
Click here to see answer by Earlsdon(6294)

Question 402321: 1/240+1/252+1/m=1
Click here to see answer by Tatiana_Stebko(1539)

Question 402331: Allentown's employment statistics show that 969 of it's residents were unemployed last month. This is a decrease of 15% from previous month. How many residents were unemployed in the previous month?
Click here to see answer by Earlsdon(6294)

Question 402360: what's the cubed root of 1/6
Click here to see answer by Alan3354(69443)

Question 402359: what's the cubed root of 1/6
Click here to see answer by Alan3354(69443)

Question 402409: How do I find the slope of any line perpendicular to 3x-4y=8?
Click here to see answer by nerdybill(7384)

Question 402485: 8 over Sqrt 6
Click here to see answer by stanbon(75887)

Question 402494: 10 - (-6) = 10 + (?)
Click here to see answer by rfer(16322)

Question 402509: order the fractions 1/9 5/6 7/8 least to greatest
Click here to see answer by MathLover1(20849)

Question 402577: Three times the tens digit of a certain two digit number is two more than four times the units digit. The difference between the given number and the number obtained by reversing the digits is two less than twice the sum of the digits. Find the number
Click here to see answer by mananth(16946)

Question 402585: When a certain two digit number is divided by the number obtained by reversing the digits, the quotient is 2 and the remainder is 7. If the number is divided by the sum of its digits, the quotient is 7 and the remainder is 6. Find the number
Click here to see answer by ankor@dixie-net.com(22740)

Question 402595: Tank A contains 32 gallons of solution which is 25% alcohol by volume. Tank B has 50 gal of solution which is 40% alcohol by volume. What volume should be taken from each tank and combined in order to make up 40 gal of solution containing 30% alcohol by volume?
Click here to see answer by robertb(5830)

Question 402599: Is y=3x-8 parallel, perpendicular, or neither to 3x-y=-1
Click here to see answer by algebrahouse.com(1659)

Question 402625: When two cars race around a circular mile track starting from the same place at the same instance, they pass each other every 18 seconds when traveling in opposite directions and every 90 seconds when traveling in the same direction. Find their speeds in miles per hour
Click here to see answer by robertb(5830)

Question 402627: A passenger on the front of train A observes that she passes the complete length of train B in 33 seconds when traveling in the same direction as B and in 3 seconds when traveling in the opposite direction. If B is 330 ft long, find the speeds of the two trains
Click here to see answer by robertb(5830)

Question 402617: A given alloy contains 10% zinc and 20% copper. How many pounds of zinc and copper must be melted with 1000 pounds of the given alloy to produce another alloy analyzing 20% zinc and 24% copper? All percentages are by weight
Click here to see answer by robertb(5830)

Question 402698: 6+r2-5r
Click here to see answer by sofiyac(983)

Question 402704: Need help with geometry and algebra?
Click here to see answer by sofiyac(983)

Question 402649: 5/x=10/3x +4
Click here to see answer by sofiyac(983)

Question 402646: 5x=10/3x + 4
Click here to see answer by sofiyac(983)

Question 401938: Solve square root 2x+3 < 9
Click here to see answer by sofiyac(983)

Question 401978: 2x^2 + x - 1
Click here to see answer by sofiyac(983)

Question 402721: x-2y+10=0 and 5x+4y+8=0
I need the steps for solving by substitution
Click here to see answer by stanbon(75887)

Question 402755: Can you help me with using intercepts
Click here to see answer by sofiyac(983)

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