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Ksju [112]
2 years ago
15

Solve this system to determine how many minutes you have been walking and how many minutes your friend has been walking: x+y=72

and 4x+6y=15
Mathematics
1 answer:
guajiro [1.7K]2 years ago
4 0
I believe the answer is 99.5
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The measure of the angle turns through 1 over 9 of the cicle the angle measure can be found using the expressions
skad [1K]

Answer:

1-9 the answer is -8of the circle

Step-by-step explanation:

7 0
3 years ago
Which expression has the same value as 7÷9 over 10
Maurinko [17]
This may be wrong but I'm going to go with B. 1/7 x 9/10



Hope this helps! ( Probably didn't help in any way but I tried).
5 0
3 years ago
Mathematics Mh Slope
gizmo_the_mogwai [7]

Answer:y=-3x+4

Step-by-step explanation: use the y=mx+b equation.

6 0
3 years ago
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Pipe A can fill a tank in 40 minutes, while pipe B takes 60 minutes to fill the same tank.
ella [17]

Answer:

24 minutes.

Step-by-step explanation:

This question shows up in a great many places in math or physics, so it is a pretty good question to learn how to do.

First you should note that answer will be under 40 minutes.

1/40 + 1/60 = 1/TimeTotal

The common denominator on the left is 120 minutes

3/40*3 + 2/60*2 = 1/timetotal

3/120 + 2/120      = 1/ timetotal

5/120 = 1/time total  Now to use to the key stop

What you do now is you always turn the left side over. You do the same thing to total time.

120/5 = total time

24 = total time

What this means is that if you let both pipes run for 24 minutes, they will fill the tank working together.

4 0
3 years ago
a library has an average of 510 visitors on Sundays and 240 visitors on other days. The average number of visitors per day in a
serious [3.7K]

Answer:

285

Step-by-step explanation:

hi

personally this is how i would do this question but there are other ways.

i would start off by seeing how many sundays there are in the month (which is 5) then the number of other days which is 25. i'd then multiply 5 by 510 which is 2550. add that to 240 times 25 (which is 6000) and all of that together is 8550. divide that by the number of the days in the month (30) and then you'll get the daily avergae for the month

hope this helped:)

6 0
3 years ago
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