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Snezhnost [94]
3 years ago
11

How do you solve 3m-7n=p for m

Mathematics
1 answer:
Alex3 years ago
5 0
3m = p + 7n    Add 7n to both sides.

m = p + 7n/3   Divide both sides by 3.
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I don’t know how to explain on why the student was incorrect
Zolol [24]

Answer:

the constant proportionality means the ratio between two directly proportional quantities.

so the constant proportionality will be 7.5÷6=1.25 or 10÷8=1.25 or 12.5÷10=1.25

constant proportionality should be same all through because it's a constant

7 0
3 years ago
At Garland School,
ankoles [38]

490 x 2/5 = 980/5 = 196 girls at Garland


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8 0
2 years ago
William bought some tickets to see his favorite singer. He bought some adult tickets and some children’s tickets, for a total of
Fantom [35]
Set x as adult tickets.
Set y as children's tickets.
x + y = 15
30x + 20y = 270
Solve for x in the first equation.
x + y = 15
x = 15 - y
Plug this into the second equation.
30x + 20y = 270
30(15 - y) + 20y = 270
450 - 30y + 20y = 270
450 - 10y = 270
-10y = -180
y = 18
If there is 18 childrens tickets, there should be -3 adult tickets.
This is impossible, and this impossible answer occured because the question is written wrong.
There are a total of 15 tickets
The smallest costing ticket is the childrens ticket, which costs 20$.
If he only bought children tickets, this would be 20x15 which is 300$.
300$ is over 270$, which makes the question impossible.
8 0
3 years ago
How to find the length
Zinaida [17]

Answer:

1.  √32

2.  4

3.  5

4.  √29

5.  √10

6.  5√2

Step-by-step explanation:

Use Pythagoras

4 0
3 years ago
Please help asap!!! DX DX DX
Gnoma [55]
I believe the answer is C becuz i had that same answer and question so I HOPED I HELPED AND SMASH THAT THANKS BUTTON AND ADD ME AS A FRIEND
8 0
2 years ago
Read 2 more answers
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