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Sholpan [36]
4 years ago
11

A rectangle is twice as long as it is why write an expression to show the area of the rectangle

Mathematics
1 answer:
melisa1 [442]4 years ago
8 0
A = l × w

l = 2w

a = 2w × w
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The weights of tennis balls are normally distributed, with the mean being 5.15 ounces and the standard deviation being 0.10. wha
Llana [10]

The correct option is B.

Thus, 68% percentage of the balls weigh within one standard deviation of the mean.

<h3>What is the empirical formula rule?</h3>

The Empirical Rule indicates that 99.7% of data that are observed to have a normal distribution fall within 3 standard deviations of the mean. According to this formula, 68 percent of the data are within one standard deviation, 95 percent are within two standard deviations, and 99.7 percent are within three standard deviations of the mean.

<h3>According to the empirical formula rule:</h3>

Because approximately 68% of the data falls within a standard deviation of the mean, according to the empirical rule, 68% of the balls' weights fall within that range.

To know more about empirical formula rule visit:

brainly.com/question/1985421

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I understand that the question you are looking for is:

The weights of tennis balls are normally distributed, with the mean being 5.15 ounces and the standard deviation being 0.10. what percentage of the balls weigh within one standard deviation of the mean

A. 50%

B. 68%

C. 95%

D. 99.7%

7 0
2 years ago
Which property is represented in the following statement ? If a = b, then a x c = b x c
Novay_Z [31]

Answer:

Step-by-step explanation:

property of equality for multiplication, property of equality for multiplication says that if a=b then axc=bxc. If you multiply the same number to both sides of an equation, the equation is still true.

6 0
3 years ago
WILL GIVE BRAINLEST ANSWER!
Nuetrik [128]

Answer: it’s d !

Step-by-step explanation:

..

3 0
3 years ago
A quarter horse often excels at running races of 1/4 mile or less .how many feet is that
romanna [79]

Answer:

1320ft

Step-by-step explanation:

1 mile is equal to 5280 feet, divide 5280/4

this will result in a quarter mile, being 1320ft. So for the question "1/4 mile or less" the Answer is the horse excels in 1320ft mile races

3 0
3 years ago
What is the value of h in the figure below? In this diagram, ABAD - ACBD.
andreev551 [17]

Answer:

h =12

Step-by-step explanation:

In\: \triangle ABC, \: \angle ABC = 90\degree \: \&\:\\ BD\perp AC

Therefore, by geometric mean property:

BD = \sqrt {AD\times CD} \\h = \sqrt {(AC-CD) \times CD} \\h = \sqrt {(25-16) \times 16} \\h = \sqrt {9 \times 16} \\h = \sqrt {144} \\\huge \red {\boxed {h = 12}} \\

5 0
4 years ago
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