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balu736 [363]
4 years ago
14

How do you know if two quantities vary directly?

Mathematics
1 answer:
Andrews [41]4 years ago
6 0
Write an equation to model this situation. Then complete the input-output table below; and graph the equation on the coordinate plane provided. If two quantities x and y are directly proportional to one another, (meaning if x is doubled, so is y; if x is tripled, so is y), they show direct variation.
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PLEASE HELP!!!!!!!!!!!
olganol [36]
30 percent is 30/100 as a fraction so as a decimal it would be 0.30
8 0
4 years ago
Evaluate 6x - 3, when x = 2 1/4
dedylja [7]

Answer:

10.5

Step-by-step explanation:

Plug in 2 1/4

10.5 or 10 1/2

3 0
3 years ago
Read 2 more answers
What is 1 2/3 divided by 1 5/6
Lemur [1.5K]

Answer:

10/11

Step-by-step explanation:

5 0
3 years ago
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How do i do this? can you help me plz thx.
Irina-Kira [14]

Answer:


Step-by-step explanation:


First you have to set up the equation:


The statement says three tickets in Japan plus two tickets in Switzerland cost 89.59

You can set up the first equation this way:


3J + 2S= 80.59


Next similarly the second equation will be:



3S+ 2J=76.36


And you solve the sistem of two equations.

8 0
3 years ago
Read 2 more answers
Hey can anybody help me with this question please
lakkis [162]
First find average
(5+5+5+5+7+9)/6=6
now see how much they each are differnt
5 to 6 is 1
5 to 6 is 1
5 to 6 is 1
5 to 6 is 1
7 to 6 is 1
9 to 6 is 3

average those
(1+1+1+1+1+3)/6=8/6=4/3=1.333

answer is 1.33


 
4 0
3 years ago
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