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Mashutka [201]
3 years ago
11

You buy 6 lbs. of apples for $7.20. How many lbs. of apples would you have been able to buy with $1.00? A. 1.2 lbs. B. 0.83 lbs.

C. $0.83 D. $1.20​
Mathematics
2 answers:
Mrrafil [7]3 years ago
7 0
The correct anwser is d
makvit [3.9K]3 years ago
4 0

Answer:

D, 1.20

Step-by-step explanation:

7.20 divided by 6 = 1.2 and 1.2 is the same as 1.20

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x P(x) 0 0.25 1 0.3 2 0.1 3 0.35 Find the standard deviation of this probability distribution. Give your answer to at least 2 de
barxatty [35]

Answer:

The standard deviation of this probability distribution is 1.2.

Step-by-step explanation:

We have that:

P(X = 0) = 0.25

P(X = 1) = 0.3

P(X = 2) = 0.1

P(X = 3) = 0.35

Mean:

Each value multiplied by its probability. So

M = 0*0.25 + 1*0.3 + 2*0.1 + 3*0.35 = 1.55

Variance:

Sum of the squares of the values subtracted from the mean, and multiplied by its probability.

V = 0.25*(0-1.55)^2 + 0.3*(1-1.55)^2 + 0.1*(2-1.55)^2 + 0.35*(3-1.55)^2 = 1.4475

Standard deviation:

Square root of the variance. So

S = \sqrt{V} = \sqrt{1.4475} = 1.2

The standard deviation of this probability distribution is 1.2.

6 0
3 years ago
Domain and range helllllllllllllllllllllllllllppppp
charle [14.2K]
Na I don't wanna do this one

7 0
3 years ago
Which expression forms an equation with the given expression?<br> 8 • 7 - 4 =
zysi [14]
The answer is 52 hopefully this help
8 0
3 years ago
dori lives 1/4 Mile from school if she walks to and from school each day how far does Dori walk during the school week
Arturiano [62]

Answer:

7/2 miles or 3 2/4 miles

Step-by-step explanation:

5 0
2 years ago
A borrower had a loan of $ 60 comma 000.00 at 4 % compounded annually comma with 8 annual payments. Suppose the borrower paid of
quester [9]

Answer:

The amount needed to pay off the loan after 4 years is $70,192

Step-by-step explanation:

When interest is compounded annually, total amount A after t years is given by:

A = P(1 + r)^{t}

where P is the initial amount (principal), r is the rate and t is time in years.

From the question:

P = $60,000

r = 4% = 0.04

t = 4

A = 60000(1 + 0.04)^{4} \\A = 60000(1.04)^{4}\\A = 60000 * 1.16985856\\A = 70191.5136\\A = 70192

The amount needed to pay off the loan after 4 years is $70,192

If we divide the amount by four, we will get the amount that is paid yearly (70192/4 = 17548). $17,548 is paid yearly.

7 0
3 years ago
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