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Artyom0805 [142]
3 years ago
15

Reduce 72:81 to its simplist form

Mathematics
2 answers:
rewona [7]3 years ago
8 0
\frac { 72 }{ 81 } \\ \\ =\frac { 8 }{ 9 } \cdot \frac { 9 }{ 9 } \\ \\ =\frac { 8 }{ 9 } \cdot 1\\ \\ =\frac { 8 }{ 9 }
Dmitry_Shevchenko [17]3 years ago
4 0
Divide by 9/9 and you get 8/9 :)
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What does Juliet do after<br> worrying about whether the<br> potion will work?
galina1969 [7]

Answer:

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8 0
3 years ago
Sorry I need help with these 3! Thank you to whoever takes the time to solve them!!!
mash [69]
1.)
Starts with 40:10, then cuz you have 80 buns, you need to x2, so it would be 20 cubes

2.)
I don’t know, sorry

3.)
4:2 and 60 in total
so 4+2 is 6 and 60/6 is 10
so it would be 40:20 so 20

hope this helps :)
8 0
3 years ago
Twice a number take away one
OlgaM077 [116]
2x -1 is the answer I believe
8 0
3 years ago
Graph: y = 3x - 5<br> Plz help
nexus9112 [7]

Answer:

The equation, y=3x-5 is in y=mx+b format. The b, or -5 in this case, tells you what the y intercept is, or in this case, your starting point. This means your first point will be at (0,-5). The mx, or 3x in this case, tell us how much to move     up and how much to move sideways. 3x is equal to 3/1x and the 3/1 tells us the rise/run. Rise being how much to go up or down and run being how much to go to the left or right. So in 3x, the rise is 3 and the run is 1. So you will go 3 up on the y axis and 1 to the right on the x-axis. So your next point will be (1, -2) and the point after that will be (2, 1) and so on!

hope this helped!

5 0
3 years ago
Read 2 more answers
the variables x and y vary inversely with a constant variation of 7. Use the variation formula, k=xy, to find why when x=9
dolphi86 [110]

1.Make y the subject

k = xy

k/x = xy/x

y = k/x

2.Substitute

y = k/x

y = 7/9

y = 0.777......

y = 0.8 (Answer)

To confirm

k = xy

k = 9 × 0.8

k = 7.2

k = 7 (constant)

Hope it helps☺

7 0
3 years ago
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