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Ad libitum [116K]
2 years ago
8

The monthly utility bills in a city at e normally distributed, with a mean $100 and a standard deviation of $13. find the probab

ility that a randomly selected utility bill is (a) a less than $70, (b) between $85 and $120, and(c) more than $140.
​
Mathematics
1 answer:
dmitriy555 [2]2 years ago
5 0

Answer:

how's your day

Step-by-step explanation:

how's your day

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Find the ratio of x to y if 7/x = 5/y. Help me!!!!
MakcuM [25]
7/x = 5/y
Can be changed to:
5x = 7y
So, x = (7/5)y and
y = (5/7)x

6 0
3 years ago
Four mathematicians, three physicists, and an engineer are to be seated equally spaced around a circular table. How many differe
Vesna [10]

First, we can choose the seats for the four mathematicians.  Then we seat the physicits, then the engineer.  There are 4! ways to seat the mathematicians, then 3! ways to seat the physicists, then 1! ways to seat the engineer.  But then we must divide by 8, because we can rotate the table, so there are 8!*4!*3!/8 = 725760 ways to seat everyone.

3 0
3 years ago
It cost $5000 to feed
Mariulka [41]

Answer:

Okays so for 100 guests we can make the equation $5000 ÷ 100 = $50.00

For 100 guests at the wedding it would cost <u>$50.00</u> per plate

For 45 guests we can make the equation $2750 ÷ 45 = $61.111111111111, it would be a repeating decimal

For 45 guests at the wedding, it would cost <u>$61.111111111111</u>

I hope that this can help you! ^‿^

5 0
3 years ago
What is the remainder after you divide the polynomials?<br> (2x^4+3x^3-x-5) divided (x+2)
olchik [2.2K]
The remainder is 5/x+2

Explanation: full equation is 2x^3-x^2+2x-5+(5/x+2)
4 0
3 years ago
F(m) = 6m - 5<br> g(m) = 3m - 6
Anastaziya [24]

Answer:

what is the question. please provide a question.

3 0
2 years ago
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