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Salsk061 [2.6K]
3 years ago
5

A math teacher graded 45 problems in

Mathematics
1 answer:
valina [46]3 years ago
5 0
75 problems
3/5 of an hours is 36 minutes you can then do 45 over 36 mins and set it equal to x over 60 mins then you do 45 times 60 which equals 2700 then you divide 2700 by 36 and you get 75
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The one with gallons because that one is $6 and the other one is $2 so gallon has a higher unit price 
5 0
4 years ago
Please help me i'd really appreciate any help
garik1379 [7]

Congruent means they are the same length.

Set both lines equal to each other and solve for x:

x + 5 = 2x -10

Subtract x from both sides:

5 = x -10

Add 10 to both sides:

x = 15

Now you have a value for x, replace x in the equation of the line and solve:

QR = x +5 = 15 +5 = 20

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3 years ago
Help. Please and a few others are
Mrrafil [7]

Answer:

YES ITS MEDIAN!!!

Step-by-step explanation:

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