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maxonik [38]
2 years ago
13

Which expression is equivalent to 2(x + 5) for all values of x? A) 2x + 5 B) x + 10 C) 2x + 7 D) 2x + 10

Mathematics
1 answer:
Ad libitum [116K]2 years ago
8 0

Another expression would be D) 2x+10

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Only a very small (<5) percentage of measurements can be more than 2 standard deviations from the mean of the normal distribu
horsena [70]

Answer:

A. True

Step-by-step explanation:

The empirical rule in statistics states that:

  • 68% of the data will be within 1 standard deviation
  • 95% of the data will be within 2 standard deviations
  • 99.7% of the data will be within 3 standard deviations

So yes, we can state that 5% or less of the data will be more than 2 standard deviations away from the mean. Of course, statistics is not 100% certain, so this rule is not 100% right all the time. Some exceptions might result, but generally speaking, the results should follow the empirical rule.

5 0
2 years ago
Read 2 more answers
5x+5=10 what dose x =
Romashka [77]

Answer:0 becAusethere isno x

Step-by-step explanation:

8 0
3 years ago
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If the compound interest paid for rupees 4000 is rupees 420 then find the
Tomtit [17]

Answer:

Amount = Rs4420

Step-by-step explanation:

Given

Principal = Rs4000

Interest = Rs420

Required

Determine the amount paid

This is calculated as:

Amount = Principal + Interest

Amount = Rs4000 + Rs420

Amount = Rs4420

4 0
2 years ago
If 8 pieces of rope are cut into 1/3 lengths how many pieces are there?
Luden [163]
8÷1/3=24 so the answer is C
5 0
2 years ago
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Need math help asap please! :/ thanks
Dominik [7]

The rule to remember about generating the perpendicular family to a line is we swap the coefficients on and x and y, remembering to negate one of them. Then the constant is set directly from the intersecting point.


So we have


y = 3x + 2


-3x + 1y = 2


Swapping and negating gets the perpendiculars; the constant is as yet undetermined.


1x + 3y = constant


Since we want to go through (0,2), we could have just written


x + 3y = 0 + 3(2) = 6


3y = -x + 6


y = (-1/3) x + 2


Third choice


5 0
2 years ago
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