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3 years ago

What is the approximate area

Mathematics

1 answer:

ollegr [7]3 years ago

7 0

Answer:

D: 0.68

Step-by-step explanation:

According to the Empirical Rule, 68% of data lies within 1 standard devision of the mean. So Answer D is the correct choice. 68% of data corresponds to the area under the curve 0.68.

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Convert 2000m to centimeters

iragen [17]

Answer:

200,000cm

Step-by-step explanation:

1m = 100cm

2000m = ?

2000 × 100 = 200,000cm

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3 years ago

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What is 3+x if x = 2. Give answer but do not give detailed explanation. Thank you.

goblinko [34]

Answer: 3 + x = 5.

Step-by-step explanation:

2 + 3 = 5, if 2 = x. Hope this helps :)

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3 years ago

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Solve the equation using the zero-product property. (2x − 8)(7x + 5) = 0 x = –2 or x = 7 x = 4 or x = x = 4 or x = x = –4 or x =

aliya0001 [1]

$(2x-8)(7x+5)=0\iff2x-8=0\ \vee\ 7x+5=0\\\\2x-8=0\qquad\text{add 8 to both sides}\\2x=8\qquad\text{divide both sides by 2}\\\boxed{x=4}\\\\7x+5=0\qquad\text{subtract 5 from both sides}\\7x=-5\qquad\text{divide both sides by 7}\\\boxed{x=-\dfrac{5}{7}}$

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3 years ago

Compute the probability of randomly selecting an eight or jack

Anit [1.1K]

Answer:

2/13

Step-by-step explanation:

In a regular deck of cards, there are a total of 52 cards. Of these, there are 4 8's and 4 jacks, making a total of 8 "desirable" outcomes. Therefore, the probability is 8/52=2/13. Hope this helps!

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3 years ago

Select the correct solution set. x + 17 ≤ -3

cestrela7 [59]

Answer:

{x | x ≤ -20}

Step-by-step explanation:

x + 17 ≤ -3

Subtract 17 from each side

x + 17-17 ≤ -3-17

x ≤ -20

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3 years ago