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alukav5142 [94]
3 years ago
8

Select the expressions that are equivalent to 10 + 2x + 5y + 3x.

Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0
:D :D :D :D :D :D :D :D
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A master electrician earns $62 per hour. His apprentice earns $40 per hour. The master electrician works 3 hours more than the a
photoshop1234 [79]
X=hours master worked
y=hours apprentice worked


62x+40y=492

if master worked 3hours more than apprntice
x=3+y

sub 3+y for x

62(3+y)+40y=492
expand
186+62y+49y=492
186+102y=492
minus 186 both sides
102y=306
divide both sides by 102
y=3

sub back
x=3+y
x=3+3
x=6

master electrician worked 6 hours
6*62=372

master electrician earned $372
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If Shane’s average number of jumps completed is greater than one-half, then the
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2/3+1/12 what's the answer
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Answer:

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6 0
2 years ago
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Please help me with this!
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A (-5, 6)
B (-5, 2)
C (-9, 2)
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As it is just a rotation around the origin by 180, you can just change the sign in front of the numbers :)
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