Y=mx+b
M equals the slope
B equals the y-intercept So
Y=1x+0
Answer: 645 letters per hour
Step-by-step explanation:
Given : After t months on the job, a postal clerk can sort letters per hour.
Then the average rate at which he clerk sorts mail during the first 4 months on the job, we put t= 4 , we get
Hence, the average rate at which he clerk sorts mail during the first 4 months on the job = 645 letters per hour
Answer:
the values 9 and 10 satisfy the given inequality.
Step-by-step explanation:
Given inequality is:
In order to find, which value of b satisfies the given inequality, we have to put the given values one by one in the inequality
Putting b = 8
The inequality is not true for b=8.
Putting b=9
As the inequality is true for b=9, it satisfies the inequality.
Putting b=10
As the inequality is true for b=10, it satisfies the inequality.
Hence,
the values 9 and 10 satisfy the given inequality.
Answer:
4.5 % alloy
Step-by-step explanation:
Let x = amt of 30% alloy
The resulting total is to be 25 oz, therefore:
(25-x) = amt of 5% alloy:
A typical mixture equation:
.30x + .05(25-x) = .20(25)
.30x + 1.25 - .05x = 5 .30x - .05x = 5 - 1.25
.25x = 3.75
x = 3.75%2F.25
x = 15 oz of 30% alloy required
then
25-15 = 10 oz of 5% alloy:
Check solution
.30(15) + .05(10) = .20(25)
4.5 + .5 = 5
Step-by-step explanation: