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4 years ago

Help plz will give 25 points

Mathematics

1 answer:

Arisa [49]4 years ago

8 0

Answer: 39

Step-by-step explanation:

SInce the problem asks for the expression when a=2 and d=5, you olug in the values of a and d and solve.

(5)²+3(2)+6+(2) [exponent]

25+3(2)+6+2 [multiply]

25+6+6+2 [add]

After plugging in a=2 and d=5, we got 39 as our answer.

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A person draws a card from a hat. Each card is one color with the following probabilities of being drawn: 1/10 for red, 1/5 for

Kay [80]

Answer:

$\dfrac{1}{4}$

Step-by-step explanation:

We are given that a card is drawn from a hat.

Probability that a red card is drawn, P(red) = $\frac{1}{10}$

Probability that a blue card is drawn, P(blue) = $\frac{1}{5}$

Probability that a black card is drawn, P(black) = $\frac{1}{20}$

Probability that a pink card is drawn, P(pink) = $\frac{1}{5}$

All these events are mutually exclusive i.e. they do not have anything in common.

For any two events A and B which are mutually exclusive, with probability P(A) and P(B), the probability that any one of the two events occur:

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

Here event A can be thought of as drawing a blue card and

event B can be thought of as drawing a black card

So, P(blue or black) = P(blue) + P(black)

$\Rightarrow \dfrac{1}{5}+\dfrac{1}{20}\\\Rightarrow \dfrac{4+1}{20}\\\Rightarrow \dfrac{5}{20}\\\Rightarrow \dfrac{1}{4}$

So, the probability that a blue or black card is drawn from the hat:

$\dfrac{1}{4}$

8 0

3 years ago

A clerk at Oodles of Rings put 6 rings in each display case.How many cases are needed for 200 rings

Bumek [7]

The

The answer is 34 because 200 split into 6 is 200/6 which is 33.3333 just to be safe 34 cases are needed

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3 years ago

Why does it take 30 years to pay off 1500,00 loan, even though you pay 1000 a month?

noname [10]

I have to do a lot of stuff to do this in the time of time I have to do a lot of work to do this really

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4 years ago

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Answer please and explain

mamaluj [8]

Answer:

Its about 678.584

Step-by-step explanation:

First plug in your given info so put 6 for the r and 6 for thr h. the r stands for radius and the h stands for hight. Then solve for 6 squared which is just 6*6 which is 36 then multiply that by 6 to get 216. then multiply 216 by pie to get your answer.

If you need further explanation just comment on this for help

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3 years ago

Plot the approximate location of √39 on the number line.

UNO [17]

It's not 6 its literally just above 6 its ( 6.25 )

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4 years ago

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