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3 years ago

Which option is correct and how would one solve for it?

Mathematics

1 answer:

Colt1911 [192]3 years ago

7 0

Answer:

-3/5, -1, -5/3, -3, -7

Step-by-step explanation:

Let x go from 1 to 5

x =1 (1+2)/(1-6) = 3/-5 = -3/5

x =2 (2+2)/(2-6) = 4/-4 = -1

x =3 (3+2)/(3-6) = 5/-3 = -5/3

x =4 (4+2)/(4-6) = 6/-2 = -3

x =5 (5+2)/(5-6) = 7/-1 = -7

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Survey data indicate that 42% of customers at Mega Hit video rental stores subscribe to premium movie channels through their cab

omeli [17]

Answer:

P=0.17

Step-by-step explanation:

If A and B are dependent events, then we have a Rule of Addition:

$P(A\cup B)=P(A)+P(B)-P(A\cap B)$

Let A represent event that customer at Mega Hit is subscribed to premium movie channels while B represent event that customer at Mega Hit owns a DVD, so, we get the following:

$P(A)=0.42\\P(B)=0.31\\P(A \cup B)=0.56\\\\$

We need to find $P(A \cap B)$ or probability that a randomly selected Mega Hit customer both owns a DVD and subscribes to a premium movie channels.

Using Rule of Addition, we get:

$0.56=0.42+0.31-P(A \cap B)\\\\0.56=0.73-P(A\cap B)\\P(A\cap B)=0.73-0.56\\P(A\cap B)=0.17$

So, the required probability is 0.17.

7 0

4 years ago

Harry searched the pineapple garden for 300 pineapples.

12345 [234]

Answer:

120 pineapples

Step-by-step explanation:

40% = 0.40

300 * 0.40 = 120 pineapples

3 0

3 years ago

Read 2 more answers

Find the odds for and the odds against the event rolling a fair die and getting a 2 comma a 4, a 6, or a 3. The odds for the eve

Angelina_Jolie [31]

Answer:

13 3

Step-by-step explanation:

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4 years ago

Which statement is true about the lengths of the sides?

Leya [2.2K]

Answer:

The three sides have the same length.

Step-by-step explanation:

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3 years ago

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Determine the product, h(x), of the linear and quadratic factors.

Airida [17]

Answer:

$h(x)=x^3-17x-4$

Step-by-step explanation:

Given $f(x)=x^2 - 4x -1\ and\ g(x)=x+4\\$

$h(x)=f(x)\times g(x)$

$(x^2-4x-1)(x+4)\ \ \\Distribute\ parenthesis\\=x^2x+x^2\times \:4+\left(-4x\right)x+\left(-4x\right)\times \:4+\left(-1\right)x+\left(-1\right)\times \:4$

Apply minus-plus rules

$+(-a)=-a$

$=x^2x+4x^2-4x(x)-4\times\:4x-1\times\:x-1\times\:4$

$\\Simplify\\=x^3+4x^2-4x^2-16x-x-4\\=x^3-16x-x-4\\=x^3-17x-4$

$h(x)=x^3-17x-4$

6 0

4 years ago