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riadik2000 [5.3K]
3 years ago
5

Eric put several CD's in a case. Four CDs are country, six are rap and ten are pop. If Eric picks one CD from the case without l

ooking, what is the probability that he will pick a pop CD?

Mathematics
2 answers:
Kipish [7]3 years ago
4 0

Answer: D, 1/2

Step-by-step explanation:

4 country, 6 rap, 10 pop = 20 total

10 pop / 20 total

10 / 20 = 1/2

kipiarov [429]3 years ago
3 0

Answer:

D- 1/2

Step-by-step explanation:

There are 20 cds in total. 10 of them are pop cds so 1/2.

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uranmaximum [27]

Answer:

40

Step-by-step explanation:

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A certain brand of candy is sold by weight with a 3 oz bag costing $0.75 if a bag of this candy costs $2.00 what does it weigh
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Can someone please help on number 20? WILL MARK YOU AS BRAINIEST. (can you also show how you do the problem?) :(
PSYCHO15rus [73]

Answer:

x =(22-√196)/6=(11-7)/3= 1.333

Step-by-step explanation:

(3x2 -  22x) +  24  = 0

The first term is,  3x2  its coefficient is  3 .

The middle term is,  -22x  its coefficient is  -22 .

The last term, "the constant", is  +24

Step-1 : Multiply the coefficient of the first term by the constant   3 • 24 = 72

Step-2 : Find two factors of  72  whose sum equals the coefficient of the middle term, which is   -22 .

     -72    +    -1    =    -73

     -36    +    -2    =    -38

     -24    +    -3    =    -27

     -18    +    -4    =    -22    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -18  and  -4

                    3x2 - 18x - 4x - 24

Step-4 : Add up the first 2 terms, pulling out like factors :

                   3x • (x-6)

             Add up the last 2 terms, pulling out common factors :

                   4 • (x-6)

Step-5 : Add up the four terms of step 4 :

                   (3x-4)  •  (x-6)

            Which is the desired factorization

Equation at the end of step 2:

 (x - 6) • (3x - 4)  = 0

STEP 3:

Theory - Roots of a product

3.1    A product of several terms equals zero.

When a product of two or more terms equals zero, then at least one of the terms must be zero.

We shall now solve each term = 0 separately

In other words, we are going to solve as many equations as there are terms in the product

Any solution of term = 0 solves product = 0 as well.

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3 years ago
Which will result in a perfect square trimonial?
Veronika [31]

Answer:

is there suppose to be a picture

Step-by-step explanation:

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3 years ago
Lorene plans to make several open-topped boxes in which to carry plants. She makes the boxes from rectangular sheets of cardboar
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Answer:

29 feet in length, 5 feet in width and 12 feet in height

Step-by-step explanation:

We have that for the volume of a quadrangular prism is:

V = l * w * h

Ie length times width times height

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they tell us that the length is 24 inches more than the width, that is, l = 24 + w

replacing we have:

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if we calculate the root, we have w = 5 or w = -29

only works when w = 5

Thus:

l = 24 + 5

l = 29

which means that the dimensions are:

29 feet in length, 5 feet in width and 12 feet in height

5 0
3 years ago
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