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6 Cards in this Set
- Front
- Back
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Tim's hourly wage at a grocery store is greater after 5:00 pm than during the day. One week he works 25 daytime hours and 25 evening hours and earns $288. The next week he works 20 daytime hours and 24 evening hours and earns $255. What is his evening hourly rate?
a. $5.37 b. $5.76 c. $5.80 d. $6.15 |
d.
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Sketch the graph of the system of equations and find the intersecting point.
x+y=2 2x-y=6 |
both equations solved for y.
y = -x+2 y = 2x-6 Point of Intersection: (8/3, -2/3) |
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Describe the graph of this system:
(-3/2)x + y = (1/4) 2x + 3y = 15 a. 2 parallel lines b. 2 non-perpendicular intersecting lines. c. 1 line or same line. d. 2 perpendicular lines. |
d.
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The treasurer of the student body reported that the receipts for a concert totaled $916 and that 560 people attended. If students paid $1.25 per ticket and non-students paid $2.25 per ticket, how many students attended the concert?
a. 77 b. 216 c. 344 d. 483 |
c.
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Which expression can be substituted for y in the top equation of the system to solve the system by substitution?
5x+3y=9 4x-y=8 a. 12x-3y b. (-3/5)x+3 c. 4x-8 d. 8-4x |
c.
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You want to eliminate y by addition in this system: 8x + 8y = 2
9x - 6y = 6 If you multiply both sides of the top equation by 3, by which number would you multiply both sides of the bottom equation? a. -4 b. -2 c. 2 d. 4 |
d.
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