Since they are parallel, the co-efficient of x will be the same. So m=7.
Y=Mx+c. So if we substitute the values with the coordinates, we get 10= (7*4) +c . Therefore c= -18.
So the final answer is:
Y=7x - 18
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Answer:
54 people choose football
To solve this you must make a formula like so:
ratio of rugby over tennis = unknown over students that picked tennis
***Unknown will be x
use a proportion like so...
Now you must cross multiply
6 * 78 = 13*x
468 = 13x
To isolate x divide 13 to both sides
468/13 = 13x/13
x= 36
This means that 36 people choose rugby when there were 78 people choose tennis
To find how many people choose football you must make another proportion similar to the first proportion:
ratio of football over rugby = unknown over students that picked rugby
use a proportion like so...
Now you must cross multiply
3* 36 = 2*x
108 = 2x
To isolate x divide 2 to both sides
108/2 = 2x/2
x= 54
This means that 54 people choose football
Hope this helped!
Step-by-step explanation:
Answer:
2x + y = 18
y = 4x - 12
x = 5, y = 8
Step-by-step explanation:
x = 1st number
y = 2nd number
We can use the substitution method as we know what 'y' equals; that value will get plugged in for 'y' in the first equation as follows:
2x + 4x - 12 = 18
6x - 12 = 18
6x = 30
x = 5
y = 4(5) - 12 which is 20-12 or 8
y = 8
Answer:
Is less than one, smaller
Step-by-step explanation:
Hope this helps