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Equations/717767: 2 + 7a - 5 - 4a and
3(4y + 2) - 2(3-y)
Do I use a scientific calculator to work this out and if so can you explain how to get the answer. Thanks 1 solutions
Answer 440517 by rfer(12660) on 2013-02-22 23:25:58 (Show Source):
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Linear-systems/717492: Hi i need help on solving using substitution for two problems:
x+y=1
2x+3y=-4
Please show all work thank you! 1 solutions
Answer 440317 by rfer(12660) on 2013-02-22 00:50:14 (Show Source):
You can put this solution on YOUR website!y=-x+1
2x+3y=-4
2x+3(-x+1)=-4
2x-3x+3=-4
-x=-7
x=7
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2(7)+3y=-4
14+3y=-4
3y=-4-14
3y=-18
y=-18/3
y=-6
(7,-6)
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x+y=1
7-6=1
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Inequalities/717534: a salesperson has two job offers. Company A offers a weekly salary of $630 plus commission of 14% of sales.Company B offers a weekly salary of $1260 plus commission of 7% of sales. What is the amount of sales above which Company A's offer is the better of the two? 1 solutions
Answer 440314 by rfer(12660) on 2013-02-22 00:41:29 (Show Source):
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test/717285: You ride your bike at an average of 12 miles per hour. You have already gone 13 miles. Your goal is to ride for 25 miles. How much longer do you need to ride to meet your goal? 1 solutions
Answer 440206 by rfer(12660) on 2013-02-21 18:04:40 (Show Source):
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test/717327: Warm-up: David weighs one-and-a-half times as much as Maddie. Together they weigh 250 pounds. Find David and Maddie’s weights. 1 solutions
Answer 440204 by rfer(12660) on 2013-02-21 17:56:47 (Show Source):
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test/717330: You plan to drive to the beach for a vacation. You estimate that you will travel 200 miles total at an average speed 55 per hour. You have already been driving for 1 hour. About how much more time will it take you to get to the beach? 1 solutions
Answer 440203 by rfer(12660) on 2013-02-21 17:53:07 (Show Source):
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Average/716948: A discount on a new copier is $210. This was a 15% discount. What was the original price? 1 solutions
Answer 440040 by rfer(12660) on 2013-02-20 21:14:56 (Show Source):
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Rectangles/716959: if the perimeter of a rectangle is 400 cm and the ratio of width to length is 9 to 11 what are the deminsions of the rectangle 1 solutions
Answer 440038 by rfer(12660) on 2013-02-20 21:13:05 (Show Source):
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