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fiasKO [112]
2 years ago
8

Harold cut 18 1/2 inches off a rope that was 60 inches long. How is the length of the remaining rope written in decimals?

Mathematics
1 answer:
kvasek [131]2 years ago
7 0

Answer:41.5

If you do 60- 18.5 (1/2 = 0.5), you get about 41.5 inches left of the rope.

Step-by-step explanation:

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A unicorn daycare center requires there to be 2 supervisors for every 18 baby unicorns. Write an equation that shows the relatio
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Answer:

n = (1/9)u

Step-by-step explanation:

This is a direct variation relationship of the form

n = ku

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2 years ago
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Which combination of shapes can be used to create the 3-D figure?
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Two regular octagons and eight congruent rectangles are perfect for the creation of 3-D figures.

According to the statement

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For this purpose, Firstly we have to know about the 3-D figures.

So,

A shape is a graphical representation of an object or its external boundary and outline, as opposed to other properties such as color, texture, or material type.

A plane shape is constrained to lie on a plane, in contrast to solid 3-D shapes.

After that we know that the

When the all dimensions of a given shape can be observed at the same time, then its is said to be in a 3-D. However, polygons are shapes which has 3 or mores sides. Examples are: trigon, hexagon, octagon etc.

Thus, since the in the 3-D figure have 8 sides connected which is greater than their width.

This confirms that the sides of the figure made up of eight congruent rectangles, because the 3-D figure has eight regular sides. Then, the height of the figure would be the length of the rectangles.

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8 0
10 months ago
The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a
posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.2

P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532  

Thus,

P_{20}=155.4532

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

7 0
2 years ago
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