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kenny6666 [7]
3 years ago
10

Choose the statement that is true.

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0

Answer: option A is correct

Step-by-step explanation:

The Standard Deviation Rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean. It states that

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

Therefore, looking at the options, the true statement id

A) For a normal distribution, 99.7% of the distribution is within 3 standard deviations.

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Division of whole numbers is associative, true or false? If false then what is correct? Plz and Thank you for the help!!
Sav [38]

Answer:

Division is not associative.

The associative property applies only to addition and multiplication, not subtraction or division.

4 0
3 years ago
A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 3 feet
Thepotemich [5.8K]

Answer:

39 feet

Step-by-step explanation:

From the question;

let length of ladder =x feet

height of ladder will be=x-3 feet

ground distance of ladder bottom to building=15 feet

Applying Pythagorean relation

a²+b²=c²

where a=15 feet b=x-3 feet and c=x feet thus

x²-15²=(x-3)²

x²-225=x²-6x+9

collect like term

x²-x²-225-9=-6x

-234= -6x

x= 39 feet length of ladder

distance from ground to top of ladder= 39-3=36 feet

3 0
3 years ago
What is the ratio of 18-29
ANEK [815]
62.069% is what i thank it is
6 0
3 years ago
I REALLY NEED HELP PLEASE 30 POINTS AND BRIANLIEST
Mademuasel [1]

Answer:

C is the closest one but it should be -472 instead -475

Step-by-step explanation:

just insert X in the formulas and compare to P

7 0
3 years ago
A square has a side length of p - 7. What is its area?
Masteriza [31]

Answer:

p²-14p+49

Step-by-step explanation: To find the area of a square just multiply side x  side. So (p-7)(p-7). Use FOIL or double distributive property to get p²-7p-7p+49 then combine the two middle terms to get p²-14p+49

6 0
3 years ago
Read 2 more answers
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