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2 years ago

A model house has a scale of

Mathematics

1 answer:

Lapatulllka [165]2 years ago

5 0

Answer: Assuming that you mean 1in:2ft the model house would be 13 inches wide.

Step-by-step explanation: well 1 is half of 2 right? So if you want to get the numbers easier to use then just divide that 26 by 2 and then you get the scale 1in:1ft. From there it is easy, 13 feet of the real house= 13 inches in the model house

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4 and 3/8

Step-by-step explanation:

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3 years ago

Triangle DEF is congruent to right triangle ABC, shown below. If point F has the coordinates (3, 4), what could be the coordinat

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4 years ago

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3 years ago

Read 2 more answers

Kimberly rides her bicycle from her home to school at an average rate of 12 mph if it takes her 20 minutes to get to school how

Thepotemich [5.8K]

Kimberly's home is 6.6 miles away from her school.

Step-by-step explanation:

The formula for speed will be used to calculate distance between home and school of Kimberly.

The formula for speed is:

$s=\frac{d}{t}$

Here

d is distance

s is speed and

t is time

Given:

$Speed=s=12\ mph\\Time=t=20\ min\\\\We\ have\ to\ convert\ the\ time\ into\ hours\ for\ same\ unit\\t=20\ min = \frac{20}{60} = 0.33\ hour\\Now,\\20=\frac{d}{0.33}\\20*0.33=d\\d=6.6\ miles$

Kimberly's home is 6.6 miles away from her school.

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3 years ago

A class has average height of 68 inches and a standard division of 2 inches what height do you need to be taller than 90% of the

Y_Kistochka [10]

Answer:

65.426

Step-by-step explanation:

Given that:

Mean height (m) = 68 inches

Standard deviation (s) = 2 inches

Height required to be taller than 90% of the class :

P(Z > x) = 0.9

The corresponding Zscore is - 1.282 (Z probability calculator)

Using the Zscore relation :

Zscore = (x - m) / s

-1.282 = (x - 68) / 2

-1.282 * 2 = x - 68

-2.564 = x - 68

-2.564 + 68 = x

x = 65.436

8 0

3 years ago