Are 4:7 and 3:5 proportional
2 answers:
To solve you multiply 4x5=20 and 3x7=21. The numbers are not equal, so they are not proportional. (Hope this helps!)
Answer:
No they are not proportional.
Step-by-step explanation:
If you make the ratio into a fraction it looks like this
4/7 and 3/5
Now you cross multiply
4*5 and 3*7
Now you have 20 and 21
Those numbers are unequivelent
So they are not proportional
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Answer:
Step-by-step explanation:
let wind velocity=x
speed of plane=y
(x+y)*4=808
x+y=808/4=202 ...(1)
(y-x)*4=488
y-x=122 ...(2)
add (1) and (2)
2y=202+122=324
y=324/2=162
from (1)
x+162=202
x=202-162=40
wind velocity=40 m/hr
speed of plane=162 m/hr
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Answer: (2x)^3</h3>
Work Shown:
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Answer:
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Step-by-step explanation:
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Answer:
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C
(1, 3) is 5 units to the right of (-4, 3)
