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svetlana [45]
2 years ago
6

a drawing of a room has a scale of 1 inch = 4 feet. if the actual dimensions of the room are 14 feet by 16 feet. what are the di

mesnsions of the room o on the drawing
Mathematics
1 answer:
disa [49]2 years ago
3 0

Answer:

3.5 inches by 4 inches

Step-by-step explanation:

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Many Irish-Catholic and Chinese immigrants helped improve the infrastructure of the
alekssr [168]

Answer:

The Transcontinental Railroad

Step-by-step explanation:

Hope it helps you :)

5 0
2 years ago
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Find the value of x and then find m∠H. PLEASE HELP
kramer

Answer:

Here,

6x - 1 + 5x + 17 = 126

or,11x + 16 =126

or, 11x = 110

Therefore,x=10

the value of angle h is=6x-1

=6×10-1

=59#

5 0
2 years ago
What are three rational numbers between 2 and -2
Alex73 [517]

Answer: -1, 0, and 1

Step-by-step explanation: -1 is an integer and all integers are rational numbers so -1 is rational.

0 is also an integer and all integers are rational numbers. Therefore, 0 is considered a rational number.

1 is a natural number and all natural numbers are rational numbers. Therefore, 1 would be a rational number.

4 0
2 years ago
The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.4. The distribution o
DENIUS [597]

Answer:

33.36% probability that X is less than 2.

Step-by-step explanation:

The distribution is not normal, however, using the central limit theorem, it is going to be approximately normal. So

Central Limit Theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

Normal Probability distribution:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 2.2, \sigma = 1.4, n = 9, s = \frac{1.4}{\sqrt{9}} = 0.467

(a) Suppose we let X be the mean number of accidents per week at the intersection during 9 randomly chosen weeks. What is the probability that X is less than 2?

This is the pvalue of Z when X = 2. So

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{2 - 2.2}{0.467}

Z = -0.43

Z = -0.43 has a pvalue of 0.3336.

33.36% probability that X is less than 2.

4 0
3 years ago
Write an equation for the following scenario. To join a gym you need to give a down payment of 20 dollars and then pay 10 dollar
Margaret [11]
Y= 10x+20


Y- equation
10x- adding 10 each month
20- starting value
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3 years ago
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