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maxonik [38]
2 years ago
7

Omari drives a car that gets 18 miles per gallon of gasoline. The car's gasoline tank holds 15 gallons. The distance Omari drive

s before refueling is a function of the number of gallons of gasoline in the tank. Identify a reasonable domain for this situation.
Mathematics
1 answer:
Art [367]2 years ago
3 0

Answer:

Step-by-step explanation:

I believe 9 miles 15x3= 45 gallons what the car holds but he gets 18 mpg

18x3= 54 gallons 54-45=9

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Mathew rolls a number cube labeled with the numbers 1−6. He then flips a fair coin. What is the probability that he rolls a 4 an
kap26 [50]

Answer: 0.083


Step-by-step explanation:

Numbers on cube=6

faces on coin=2

Therefore, the total outcomes=6\times2=12

Now, the favorable outcome that he rolls a 4 and flips a head=1

The probability that he rolls a 4 and flips a head=\frac{\text{favorable outcome}}{\text{total outcome}}

⇒The probability that he rolls a 4 and flips a head=\frac{1}{12}=0.083333\approx0.83.

Therefore, The probability that he rolls a 4 and flips a head=0.083

3 0
2 years ago
Read 2 more answers
The average age of doctors in a certain hospital is 45.0 years old. Suppose the distribution of ages is normal and has a standar
Ad libitum [116K]

Answer: 0.7619

Step-by-step explanation:

Given : Mean : \mu=45.0

Standard deviation : \sigma =8.0

Sample size : n=9

We assume that the variable is normally distributed.

The value of z-score is given by :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

a) For x= 46.9 years

z=\dfrac{46.9-45.0}{\dfrac{8}{\sqrt{9}}}=0.7125

The p-value : P(z

Hence, the  probability that the average age of those doctors is less than 46.9 years =0.7619

8 0
2 years ago
Which equation shows the inverse property of multiplication?
Pavel [41]
The correct answer is C.

The inverse property of multiplication states that a number multiplied by its reciprocal equals 1. The reciprocal of 1/2 is 2/1, or 2.
4 0
1 year ago
Read 2 more answers
michael wittry has been investing inhis roth IRA retirement account for 20 years. Two years ago his account was worth $215,658.
Over [174]
Let's say

a = 215,658

ok... so.. he first lost 1/3 of that

\bf \textit{\underline{lost} }\frac{1}{3}a\qquad  \qquad  a-\cfrac{1}{3}a\implies a-\cfrac{a}{3}\implies \cfrac{3a-a}{3}\implies \cfrac{2a}{3}
\\\\\\
\textit{then he \underline{gained} }\frac{1}{2}\textit{ of }\frac{2a}{3}\qquad \qquad \cfrac{2a}{3}+\cfrac{\frac{2a}{3}}{2}\implies \cfrac{\frac{2a}{3}}{\frac{2}{1}}
\\\\\\
\cfrac{2a}{3}+\cfrac{2a}{3}\cdot \cfrac{1}{2}\implies \cfrac{2a}{3}+\cfrac{2a}{6}\implies \cfrac{4a+2a}{6}
\\\\\\
\cfrac{6a}{6}\implies \boxed{a}\implies 215,658


so, his nickname might just be even steven, because, he ended up with the same original amount after the 1/2 bump.
4 0
2 years ago
Dishwashers are on sale for 25% off the original price (d), which can be expressed with the function p(d) = 0.75d. Local taxes a
Ilia_Sergeevich [38]

Answer:

c

Step-by-step explanation:

bc it has the most 5's in it

6 0
2 years ago
Read 2 more answers
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