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Mashcka [7]
3 years ago
6

Naomi is 2/3 as tall as her father. If Naomi is 54 inches tall, how tall is her father.

Mathematics
2 answers:
OverLord2011 [107]3 years ago
6 0

Answer:

(2/3)(54)=36

54+36=90

Her father is 90 inches tall

Step-by-step explanation:

AlekseyPX3 years ago
4 0

Answer:

Her father is 81 inches tall.

Step-by-step explanation:

She is 2/3 as tall as her father so we divide her height by 2. 54/2=27 and then we multiply 27 by three to get 81 inches.

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6 0
3 years ago
A particular group of men have heights with a mean of 174 cm and a standard deviation of 6 cm. Earl had a height of 192 cm. a. W
Sati [7]

Answer:

a) 18 cm

b) 18

c) 3

The Earl's height is unusual because the  z score does not lies in the given range of usual i.e -2 and 2

Step-by-step explanation:

Given:

Mean height, μ = 174 cm

Standard deviation = 6 cm

height of Earl, x = 192 cm

a) The positive difference between Earl height and the mean = x - μ

= 192 - 174 = 18 cm

b) standard deviations is 18

c) Now,

the z score is calculated as:

z=\frac{x-\mu}{\sigma}

or

z=\frac{192-174}{6}

or

z = 3

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5 0
3 years ago
If a = x+21, b = 8, c = x + 4, and d = 10, then the value of x is Answer . (Round your answer to one decimal)
Zinaida [17]

Answer:

Step-by-step explanation:

5 0
3 years ago
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Which expression is equivalent to 2(3x+4)(x-3)
natali 33 [55]

Answer:

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Step-by-step explanation:

2(3x + 4)(x - 3)

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