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8090 [49]
2 years ago
7

-x+y=5

Mathematics
2 answers:
photoshop1234 [79]2 years ago
7 0

Answer:

x=-37/3

y=-22/3

Step-by-step explanation:

-2x+2y=10 (1)

2x-5y=12 (2)

(1)+(2) <=> -3y=22

tatyana61 [14]2 years ago
7 0

Answer:

Elimination method is good enough

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£35.50 for the first day then £18.25 for each extra day the total cost of hiring the machine was £ 163.25 how many day dose Mart
BabaBlast [244]

y = number of days
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so Martin has hired the machine for 8 days

( first day paid 35.50), then 7 days for 18.25

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3 years ago
Which equations can be used to solve for acceleration? Select four options.
sweet [91]

Equations for the acceleration: a=\frac{v-u}{t}, v=u+at

Step-by-step explanation:

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3 years ago
If there 3 feet in a yard and a football field is 100 yards long how long is the football field in feet
givi [52]

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3 years ago
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Alenkasestr [34]

Answer:

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Step-by-step explanation:

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