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weqwewe [10]
3 years ago
5

dle" class="latex-formula">
what the answer ? ​
Mathematics
2 answers:
DochEvi [55]3 years ago
4 0
The square root of 500 is 22.3607
ehidna [41]3 years ago
3 0
It’s 22.3 or 10/5 (the / is the square root)
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Graph f(x)=1.99x+3 HURRY 27 BRAINLY POINTS
dlinn [17]

Answer:

0, 3

Step-by-step explanation:

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3 years ago
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A bicycle is originally priced at $80 the store owner gives a discount in the bicycle is know priced at $60 enter the percent ma
Roman55 [17]

Answer:

25%

Step-by-step explanation:

Since we know that the markdown is $20 by subtracting 80-60 , we find out what percent of 20 is 80. To do that you do 20/80, which is 0.25, or 25 percent.

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3 years ago
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A box contains different colored paper clips. The probability of drawing two red paper clips from the box without replacement is
ivann1987 [24]

Answer: 5/14 which is choice B

================================================

How I got this answer:

Define the following events

A = event of picking a red paper clip on the first selection

B = event of picking a red paper clip on the second drawing

Replacement is not made.

Now onto the probabilities for each

P(A) = 2/5 = 0.4 is given to us as this is simply the probability of picking red on the first try

P(A and B) = probability of both events A and B happeing simultaneously = 1/7

P(B|A) = probability event B occurs, given event A has occured

P(B|A) = probability of selecting red on second selection, given first selection is red (no replacement)

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

P(B|A) = (1/7) / (2/5)

P(B|A) = (1/7) * (5/2)

P(B|A) = (1*5)/(7*2)

P(B|A) = 5/14

So if event A happens, then the chances of event B happening is 5/14

------------------

A more concrete example:

If we had 15 paperclips, and 6 of them were red, then

P(A) = (# of red)/(# total) = 6/15 = 2/5

P(B|A) = (# of red left)/(# total left) = (6-1)/(15-1) = 5/14

P(A and B) = P(A)*P(B|A) = (2/5)*(5/14) = 10/70 = 1/7

7 0
4 years ago
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Can someone please help me with this test question?
Igoryamba

Answer:

x=−4+√13 or x=−4−√13

Can I have brainliest? I need it for a challenge

Step-by-step explanation:

8 0
2 years ago
Double a number is equal to the number decreased by five?
kotegsom [21]
2n=n-5  subtract n from both sides

n=-5

check...

2(-5)=(-5)-5

-10=-10
6 0
3 years ago
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