Pedro works as a newspaper deliverer. He receives a base pay plus an additional amount per newspaper delivered. Last week, Pedro delivered 5 newspapers and earned $37.50. This week, he delivered 20 newspapers and earned $75. Let x equal the number of newspapers Pedro delivers and y be the earnings he receives in dollars. Which linear function models the scenario?
Answers
x=number of newspapers
37.5 earned for 5 newspapers
37.5=5m+b
earned 75 and deliverd 20 newpapers
75=20m+b
we have
37.5=5m+b and
75=20m+b
multiply first equaiton by -1 and add to other equaiton
-37.5=-5m-b
75=20m+b +
37.5=15m+0b
37.5=15m
divide both sides by 15
2.5=m
sub back to find b
75=2.5(20)+b
75=50+b
minsu 50 both sides
25=b
y=2.5x+25 is lnear funtion
The linearfunction is y=2.5x+25
What is linear function?
A linear function is a function whose graph is a straightline, that is, a polynomial function of degreezero or one.
As, we know equation of line
y=mx + b
x=number of newspapers
37.5=5m+b...............(1)
also,
75=20m+b....................(2)
Solving (1) and (2) , we get
37.5=15m
m=2.5
and, 75=2.5(20)+b
75=50+b
b= 25
Hence, y=2.5x+25 is linear function.
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a
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Answers
first we get the numbers less than 2 are (1)
secondly get the numbers greater than 7 are (8,9,10)
total = 4 numbers
The favorable probability is 4 / 10=2 / 5
hope it helps
Answer:
Step-by-step explanation:
There are 10 total outcomes [numbers from 1 to 10]
What are the numbers that are LESS THAN 2 or GREATER THAN 7?
They are 1, 8, 9, and 10.
That's a total of 4 numbers. Also, total numbers is 10. Hence the probability of obtaining numbers that are less than 2 or greater than 7 is:
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Answers
Therefore substitute
so, m=-2-4/-6-(-1)
therefore, m = -6/-5
so, m= 6/5
then write a sentence answer if necessary
9, 10, 6, 5, 6
Answers
Answer: 7.2
Step-by-step explanation: Mean= (sum of observations/number of observations)
=(5+6+6+9+10)/5
=(36)/5
=7.2
Answers
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35 is 5 times as many as 7.
Step-by-step explanation:
5*7 = 7*5
hope this helps! please give brainliest :)