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3 years ago

I need help for this question for homework and I need the work for it help is appreciated:)

Mathematics

1 answer:

AleksAgata [21]3 years ago

8 0

The question is not clear sos

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Starbucks sold 200 coffees in the last hour, 40 of which were lattes. What is the probability that the next drink sold will be a

zhuklara [117]

Answer:

1/5

Step-by-step explanation:

start with 40/200 and simplify it. they can both be divided by 40, so 40 divided be 40 is 1 hence the numerator, and 200 divided by 40 is 5, the denominator. Hope this helps !! :)

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3 years ago

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Which statement about 3(x2 – 4) is true?

atroni [7]

Answer:

The expression is not completely factored.

Step-by-step explanation:

The expression of ${x}^{2} - 4$ can be broken up into two binomials:

$[x - 2][x + 2]$

Together, you have this:

$3[x - 2][x + 2]$

** There is alot of missing information to this question, but at least you know how to work this out.

I am joyous to assist you anytime.

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3 years ago

A card is drawn at random from a standard deck of 52 cards. Find the following conditional probabilities. a) The card is a diam

Inga [223]

Answer:

$a.\frac{1}{13}\\b.\frac{1}{2}\\c.\frac{1}{13}\\d.\frac{1}{13}$

Step-by-step explanation:

P(A|B) = P(A and B) / P(B)

Total number of cards = 52

Let A denotes the event that the card is a diamond and B denotes the card is red.

$P\left ( A|B \right )=\frac{P\left ( A\cap B \right )}{P(B)}\\=\frac{\frac{2}{52}}{\frac{26}{52}}\\=\frac{1}{13}$

Let A denotes the event that the card is red and B denotes the card is diamond.

$P\left ( A|B \right )=\frac{P\left ( A\cap B \right )}{P(B)}=\frac{\frac{2}{52}}{\frac{4}{52}}\\=\frac{1}{2}$

Let A denotes the event that the card is nine and B denotes the card is red.

$P\left ( A|B \right )=\frac{P\left ( A\cap B \right )}{P(B)}=\frac{\frac{2}{52}}{\frac{26}{52}}\\=\frac{1}{13}$

Let A denotes the event that the card is a king and B denotes the card is a face card.

$P\left ( A|B \right )=\frac{P\left ( A\cap B \right )}{P(B)}=\frac{\frac{4}{52}}{\frac{12}{52}}\\=\frac{1}{13}$

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3 years ago

Which points are solutions to the linear inequality y < 0.5x + 2? Check all that apply.

marusya05 [52]

Are you given choices?
Plug in the x- and y-coordinates of the given points.
The ones that make the inequality true are solutions.

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3 years ago

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Which expression is equivalent to the given expression? 17x−32x x(17−32) x(32−17) 17x(1−32) 17(x−32)

pav-90 [236]

Answer would be x(17-32)

6 0

3 years ago