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frosja888 [35]
3 years ago
15

Tom bought six CDs that were each the same price including sales tax he paid a total of $67.80 each CD has a tax of $.50 what wa

s the price of each CD before tax
Mathematics
1 answer:
Yanka [14]3 years ago
5 0

Answer:

8 dollars and 30 cents.

Step-by-step explanation:

Take .50 and multiply that by the 6 CDs you bought. It comes out to 3 dollars. Then, take 67.80 and divide that by 6 and you get 11 dollars and 30 cents, now take the total tax off, which is 3 dollars, and now, each CD is 8 dollars and 30 cents before tax.

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The units for the lines of longitude are measured in.
Sladkaya [172]
The unit of measurement for latitude and longitude is called a degree, which is indicated by a small circle to the upper left after a latitude or longitude is given (ex. 90°).
4 0
2 years ago
Assume that a procedure yields a binomial distribution with a trial repeated n = 5 times. Use some form of technology to find th
Digiron [165]

Answer:

P(X = 0) = 0.0263

P(X = 1) = 0.1407

P(X = 2) = 0.3012

P(X = 3) = 0.3224

P(X = 4) = 0.1725

P(X = 5) = 0.0369

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

In this problem we have that:

n = 5, p = 0.517

Distribution

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{5,0}.(0.517)^{0}.(0.483)^{5} = 0.0263

P(X = 1) = C_{5,1}.(0.517)^{1}.(0.483)^{4} = 0.1407

P(X = 2) = C_{5,2}.(0.517)^{2}.(0.483)^{3} = 0.3012

P(X = 3) = C_{5,3}.(0.517)^{3}.(0.483)^{2} = 0.3224

P(X = 4) = C_{5,4}.(0.517)^{4}.(0.483)^{1} = 0.1725

P(X = 5) = C_{5,5}.(0.517)^{5}.(0.483)^{0} = 0.0369

6 0
4 years ago
What polynomial identity should be used to prove that 252 = (20 5)2?
sleet_krkn [62]
25² = ( 20 + 5 )² This is the square of a binomial:
( a + b )² = a² + 2 a b + b²
625 = 20² + 2 · 20 · 5 + 5²
625 = 400 + 200 + 25
625 = 625 ( correct )
6 0
3 years ago
Which is equivalent to the expression below?
OleMash [197]
To find the answer, combine like terms:

3p + p = 4p

4 + 12 = 16

3q has no like terms so it stays the same.

Now put them all together:

4p + 3q + 16 = Option A).
8 0
4 years ago
USE Six digits are given. 7 2 0 6 8 4 Answer the questions about these digits. Be sure to use commas when writing your numbers.
luda_lava [24]

Answer:

a) 888,888

b) 200,00

c) 888,888-200,000=688,888

step-by-step explanation:

the biggest number possible is 888,888 because 8 is the largest number and the question doesn't say that you have to use each number

200,000 is the smallest number because outside 0, 2 is the second-smallest number, and since 000,000 isn't a number 200,000 is the next best thing

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

7 0
3 years ago
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