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Anastaziya [24]
3 years ago
12

Amanda score on the last algebra quiz was to 11 points higher than tims. the total of their two quizzes what's 165.what score di

d the each person receive?
Mathematics
1 answer:
Anarel [89]3 years ago
5 0
A + T = 165

A= amanda's grade
T= tim's grade

A = T +11

substitute A for T + 11 and you get 

T+ 11 +T = 165

combine like terms:

2T + 11 = 165

subtract 11 from both sides:

2T= 154

divide both sides by 2

T = 77 (Tim's grade)

A= 77 +11

so: A= 88 (Amanda's grade)

check answer:

88 + 77 = 165!

Hope this helps!




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Step-by-step explanation:

Since Sarah is paid biweekly (every 2 weeks), and there are 52 weeks in a year...

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Round 1269.2307 to the nearest cent (hundredth):

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3 0
3 years ago
A right triangle has legs measuring 4.5 meters and 1.5 meters. The lenghts of the legs of a second triangle are proportional to
Eduardwww [97]
We know that
in the first triangle
the ratio of the legs are
4.5/1.5-----> 3

then
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so
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so
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so
the legs of a second triangle are  proportional to the lengths of the legs of the first triangle

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3 years ago
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dy/dX = -{2X+3Y+(2p+3q+1)}/{3X-2Y+(3p-2q+1)}

Now 2p+3q+1=0……………..(1)

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