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Tutors Answer Your Questions about Expressions-with-variables (FREE)
Question 239735: Please help me solve this equation: 5x-6x=-17 3x-4y+5z=-1 2z=-6. This is one problem or equation. Thank you I appreciate if you can help me understand the process involved with solving this type of equation.
Click here to see answer by Theo(667)   |
Question 239776: For this problem write the equation that expresses the relationship among the variables, and then use the given data to solve for the variation constant
y is directly proportional to x, and y=38 when x=114
Click here to see answer by Theo(667) |
Question 239103: train a and b are on parallel tracks. Train a is going 100 miles per hour and reaches station A at 4:15am. Train b is going 110 miles per hour and reaches station A at 4:45am. At what point will train b catch train a?
Click here to see answer by checkley77(7035)  |
Question 238970: Need help figuring this out:
Scenario: You have a part-time job delivering packages. Your current employer pays you a flat rate to deliver packages. You discover that a competitor pays its employees hourly in addition to paying them a flat rate per package.
Question:
Develop an algebraic equation with clearly defined variables to represent the cost/yield of each option.
my first attempt:
X= packages delivered Y = hours worked
a. .75x = .05x+8(15)
b. .75(200) = .05(200) + 8y
I was told that this was too complex nd needed to be simplified.
Click here to see answer by stanbon(26259) |
Question 238067: Hello, here is my question.
A water balloon is dropped from the top of a building that is 300 feet tall. Neglecting wind resistance, the distance traveled by the balloon is given by the function  , where d(t) is the distance traveled in feet after t seconds. How many seconds will it take for the water balloon hit the ground?
Thanks.
Click here to see answer by Alan3354(6059)  |
Question 237222: your company produces two models of bikes Model A and Model B Model A takes 2 hours to assemble and Model B takes 3 hours to assemble. Model A cost $25 to make each bike where Model B costs $30 to make per bike. If your company has 34 hours and $350 per day for these two bikes, how many of each can be made in a day? Solve equation using substitution or elimination. Explain how to check your solution for both equations.
Click here to see answer by ankor@dixie-net.com(6691)  |
Question 237217: ahhmmm... im not really good at this... I'm just confused in law of exponents..
for example: 12a to the 3rd power.. over 4b to the 2nd power.... or,, (16a)to the 2nd power or (16a)cube... its very difficult,, pls. give me some tips or tell me whats the rules in solving those problems.. I hope you really answer my question... Im only 13 yrs old,, and im not a fast learner..
thank you Patty.
Click here to see answer by rapaljer(3610) |
Question 237216: ahhmmm... im not really good at this... I'm just confused in law of exponents..
for example: 12a to the 3rd power.. over 4b to the 2nd power.... or,, (16a)to the 2nd power or (16a)cube... its very difficult,, pls. give me some tips or tell me whats the rules in solving those problems.. I hope you really answer my question... Im only 13 yrs old,, and im not a fast learner..
thank you Patty.
Click here to see answer by ankor@dixie-net.com(6691) |
Question 237219: ahhmmm... im not really good at this... I'm just confused in law of exponents..
for example: 12a to the 3rd power.. over 4b to the 2nd power.... or,, (16a)to the 2nd power or (16a)cube... its very difficult,, pls. give me some tips or tell me whats the rules in solving those problems.. I hope you really answer my question... Im only 13 yrs old,, and im not a fast learner..
thank you Patty.
Click here to see answer by Theo(667) |
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