X+1 is the width of the envelope. If you need work just say do in the comments please.
It is possible that the proportion of adults in Country A equal to the proportion of adults in Country B. This statement does not necessarily mean that the populations of adults in the two countries are equal. It is the proportion and not the exact population. This occurs when the ratio of the population of adults to the total population of Country A is the same as that of the ratio of the population of adults to the total population of Country B.
Answer:
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Step-by-step explanation:
Answer:
k= 8/5
Step-by-step explanation:
here x= 5 and y= 8
we have y=kx
k= y/x
k= 8/5 this is constant of variation
For lines to be perpendicular they would need to have opposite slopes, so for a slope of -3/7 the slope of a perpendicular line would be 7/3
