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il63 [147K]
3 years ago
13

Suppose that the mean retail price per gallon of regular grade gasoline in the United States is $3.47 with a standard deviation

of $0.20 and that the retail price per gallon has a bell-shaped distribution. (a) What percentage of regular grade gasoline sold between $3.27 and $3.67 per gallon
Mathematics
1 answer:
Dimas [21]3 years ago
8 0

Answer:

Step-by-step explanation:

Your answer

94.5 % - 106.5 %

Mark it as Brainlist answer. Follow me.

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Which is closest to the circumference of the CD?
seropon [69]

Answer:

idk but heres an equation

Step-by-step explanation:

Since  

2

π

r

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37.68

,

r

=

18.84

π

Area=  

π

⋅

(

18.84

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2

π

2

=  

354.9456

3.14

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5 0
3 years ago
Read 2 more answers
Eric took out an 80/20 mortgage to buy a house costing $175,000. The first (80%) mortgage has an interest rate of 4.75%, and the
Serhud [2]

Answer:

The total monthly mortgage payment for the house is $975.63

Step-by-step explanation:

The principle amount is $175000

80% of 175000 is = 0.8\times175000 = $140000

20% of 175000 is = 0.2\times175000 = $35000

Emi formula is :

\frac{p\times r\times(1+r)^{n} }{(1+r)^{n}-1 }

For 1st part:

p = 140000

r = 4.75/12/100=0.00395

n = 30*12=360

Putting values in formula we get

\frac{140000\times0.00395\times(1.00395)^{360} }{(1.00395)^{360}-1 }

= $729.508

For 2nd part:

p = 35000

r = 7.525/12/100=0.00627

n = 30*12=360

Putting values in formula we get

\frac{35000\times0.00627\times(1.00627)^{360} }{(1.00627)^{360}-1 }

= $245.301

Adding both the monthly payments:

729.508+245.301=974.809 dollars

This is closest to option A.

So, option A is the answer.

And for 30 years the mortgage payment will be =

975.63\times12\times30=351226.80 dollars

5 0
4 years ago
There are 4 different math courses, 5 different science courses, and 2 different history courses. If a student must take one of
rusak2 [61]

A student can take three subjects in 40 ways.

<u>SOLUTION:</u>

Given that, there are 4 different math courses, 5 different science courses, and 2 different history courses.

A student must take one of each, how many different ways can this be done?

Now, number ways to take math course = 4

Number of ways to take science course = 5  

Number of ways to take history course = 2

So, now, total possible ways = product of possible ways for each course = 4 x 5 x 2 = 40 ways.

Hence, a student can take three subjects in 40 ways.

6 0
3 years ago
Please help!
balu736 [363]
I think the answer is B) i’m not 100%
6 0
3 years ago
Help guys pls 22x²+13x+1​
myrzilka [38]

Answer:

(11x+1)(2x+1)

8 0
3 years ago
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