All categories

3 years ago

So I tried everything I could but I still don’t know

Mathematics

1 answer:

Effectus [21]3 years ago

6 0

Step-by-step explanation:

app it's a standard 30 60 90 triangle. there are rules for this.

x = 3

y = 6

You might be interested in

Fernanda is filling a cylindrical pot with cans of vegetable soup. The pot has a diameter of 15 in. and a height of 11 in. The s

stepladder [879]

I don’t know how to sorry

6 0

3 years ago

A lot of research is conducted on the sleeping habits of U.S. adults. One study reported that X, the amount of sleep per night o

Sergio [31]

Answer:

16% probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night

Step-by-step explanation:

The Empirical Rule(Standard Deviation) states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7.5

Standard deviation = 1.2

Using the Standard Deviation Rule, what is the probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night?

8.7 = 7.5 + 1.2

So 8.7 is one standard deviation above the mean.

By the Empirical Rule, 68% of the measures are within 1 standard deviation of the mean. The other 100-68 = 32% are more than one standard deviation from the mean. Since the normal probability distribution is symmetric, 16% are more than one standard deviation below the mean and 16% are more than one standard deviation above the mean(above 8.7 hours)

So, 16% probability that a randomly chosen U.S. adult sleeps more than 8.7 hours per night

6 0

4 years ago

The data set below shows the weights of some puppies, in pounds, at a kennel:

Fudgin [204]

The answer is

D. A histogram is shown with title Puppy Weight. On the horizontal axis, the title is Pounds. The title on the vertical axis is Puppies. The range on the horizontal axis is 10 to 11, 12 to 13, and 14 to 15. The values on the vertical axis are from 0 to 6 at intervals of 1. The bar for the first range goes to 4, the bar for the second range goes to 2, the bar for the third range goes to 3.

100% Verified!

Hope This Helps!:)

8 0

3 years ago

Read 2 more answers

the length of a train car is 50.6 feet. this is 5.8 feet less than 6 times the width . what is the width?

Arisa [49]

Answer:

56.4

Step-by-step explanation:

3 0

3 years ago

Solve X/3 - 2X+1/3 = X-3/5

iren2701 [21]

Answer:

Answer is 3

Step-by-step explanation:

x/3-2x/1+3 =x-3/5

x/3-x/3 = x-3/5

0=x-3/5

0=x-3

3=x

sothat, x = 3 ans

3 0

3 years ago