Answer:
21
Step-by-step explanation:
Multiply 7 by 3 to get the number that if you divide it by 3 will give 7 which in this case is 1 according to the ratio provided.
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STEP BY STEP: a+b(x)=6
If x equals the amount of money paid in a normal hour and y equals 1.4(x), then 677.82= 32x+ 11y.
Answer: D
Step-by-step explanation:
She uses a sample size of n=200, and 50% of all customers would actually buy coffee.
The equation on number 3 is showing that Henry hikes 0.5 miles per hour, with x = number of hours. The graph shows that Clark hikes 15 miles in 10 hours, or 1.5 miles per hour. Clark is faster because of the reasons listed above.
Problem 4 is strange because it has a different value from x = 1 to x = 4 than it does for x = 5 and above, but my best guess would be a piecewise function:
If x < or equal to 4, 15x. If x > 4, 10 × (x - 4) + 60.
Problem 5 is much simpler: because x goes up 16 every time y goes up 6, 6/16 × x or (6/16)x.
