Boris is taking a quiz for an online class. For the quiz, the system randomly assigns 2 high-difficulty questions, 7 moderate-di
1 answer:
Answer:
Step-by-step explanation:
The probability that Boris is assigned a moderate-difficulty question would be the ratio of number of moderately difficult questions to the number of total questions available.
The quiz consists of 2 high difficulty, 7 moderate difficulty, and 6 low difficulty questions. That is 2 + 7 + 6 = 15 questions in total.
and
the number of moderately difficult questions is 7
Hence the probability would be 7/15
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$612.04 will Jack have to pay if he drives 1,248 miles in one particular month .
<u>Step-by-step explanation:</u>
Here we have , Jack’s new truck costs $325 per month for car payments. In addition, he estimates that gas and maintenance expenses cost $0.23 per mile. We need to find :
a. Express the monthly cost as a function of the miles driven.
Let number of miles driven be x , & monthly cost be y So , equation is :
⇒ , Where 325 is
Jack’s new truck costs $325 per month for car payments .
b. How much will Jack have to pay if he drives 1,248 miles in one particular month?
According to question we have ,
Putting value of x in we get:
⇒
⇒
⇒
⇒
Therefore , $612.04 will Jack have to pay if he drives 1,248 miles in one particular month .