Tutors Answer Your Questions about Equations (FREE)
Question 26111: Directions: Write a system of equations that can be used to solve the problem. Then solve the system and determine the answer:
The University of Tennesee women's basketball team made 45 field goals in a recent game; some were 2-pointers and some were 3-pointers. How many 2-point baskets were made and how many 3-point baskets were made if Tennessee scored 101 points?
Click here to see answer by Paul(988)   |
Question 26386: This equation I have been stuck on it for three days now and can not seem to get past it:
5-a/b
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15/b
My answers for solutions are
A) 5b - 1
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15
B) 5b - a
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15
C) 5-a
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15
D) b-a
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3
This is a division problem that is why I put the lines there. I believe I would divide the 15 by 5 = 3. Then I think I would also divide the b by the b which would eliminate the b.
So I would have gotten this for an answer:
5 - a
--------
3
But this is not an answer on the test as you can see. Where am I going wrong with this problem? Thank you so much for your help!
Click here to see answer by Earlsdon(4898) |
Question 26422: i need help in solving with a coin and intrest problem> it goes like this an invester has 500$ more invested at 7% than he does at 5%. if his annual interest is $515, how much does he have invested at each rate?
Click here to see answer by wuwei96815(245) |
Question 26422: i need help in solving with a coin and intrest problem> it goes like this an invester has 500$ more invested at 7% than he does at 5%. if his annual interest is $515, how much does he have invested at each rate?
Click here to see answer by stanbon(26259) |
Question 26420: Rahdi played on online trivia quiz game. In the game , each right answer is worth 3 points, and each incorrect answer was worth -5 points. Randi answered 25 quiz questions and had a total of 27 points. How many more correct answers than incorrect answers did Randi have? I know the answer is 19 correct and 6 incorrect, but I am having trouble finding the correct equation.
Click here to see answer by stanbon(26259) |
Question 26744: I REALLY NEED HELP WITH THESE PROBLEMS, ITS DUE TOMORROW AND I CANT SEEM TO GET THE ANSWERS TO THESE PROBELMS..IT IS ABOUT VERBAL PROBLEMS..THANKS!
THREE LESS THAN FIVE TIMES A CERTAIN NUMBER IS EQUAL TO 67 MORE THAN ONE-THIRD OF THE NUMBER. FIND THE NUMBER.
THANKS AGAIN!
Click here to see answer by longjonsilver(2297)  |
Question 26773: in this question you must choose x only from the numbers 0,1,2,3,4,5,6,7,8,9,10
can you show me how to complete these questions 1. x>7
Click here to see answer by AdolphousC(70) |
Question 26949: I have a finance stock account margin problem where algebra is needed. The equation that needs to be solved comes out as follows:
I have to solve for p, which is the price at which the maintenance margin call will have to be made by the broker. I have tried everything I can think of and can't solve this. Help would be much appreciated, thank you.
Click here to see answer by mbarugel(146) |
Question 27220: I took my test and got a lot of answers wrong. He circled the correct answers but no matter what I try I keep getting mine. For example:
3(x-2)+7=2(x+5)
I distribute first, to get 3x-2+7=2x+10
I simplify to get 3x+5=2x+10 and then again to get x+5=10, then x=5, which is my answer. He circled 9 as the right answer. In fact, 5 isn't even an option (multiple choice). What am I doing wrong?? I keep getting 5 no matter how I do it.
Another is 11x-(6x-5)=40
I combine to get 5x-5=40, then simplify to get 5x=45, and again to get my answer : x=9
He has 7 circled as the right answer.
What am I doing wrong?
Thank you,
Sarah
Click here to see answer by rodriguezh2(15) |
Question 27313: When Tristan visits Isolde on Valentine's Day, he's planning to bring her a one pound box of chocolates. He knows that when they share a one pound box of chocolates, it usually lasts for two weeks. When he eats a one pound box of chocolates on his own it lasts for six weeks.
How long should a one pound box of chocolates last if Isolde eats it alone?
Remember to explain how you solved the problem and show how you know you are correct.
Note: Assume they don't eat faster or slower when they are alone.
Click here to see answer by bmauger(101) |
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