A shark can chase prey about 30 miles per hour. What is this rate in miles per minute?
1 answer:
Solution :
Give that a shark can chase prey about 30 miles per hour.
1 hour = 60 minute
by using unitary method, we will convert miles per hour into miles per minute
in 60 minutes the shark can chase the prey 30 miles
In 1 minute the shark can chase
Hence the shark can chase the prey about 0.5 miles per minute.
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Answer:
<h2>39 minutes</h2>Step-by-step explanation:
In this problem we can see that there is a constant/flat rate charge of $4 on every first minute
we can model the cost for calls as
where x is the number of extra minutes spent
given that y = $13.75
We can simply substitute our given values into the equation 1 above and solve for x
Divide both sides by 0.25 to find x
Do part b first, you will have a quotient 12x+k
for 3x-7 to be a factor of p, the remainder should be 0, so k should be -28
the quotient is x^2+x+4
for 3x-7 to be a factor of p, the remainder should be 0, so k should be -28
the quotient is x^2+x+4