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Nitella [24]
3 years ago
10

On a road map with a scale of 1 cm. : 110 mi., the distance between two cities measures 4.5 cm. What is the actual distance betw

een these two cities?
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

465 miles

Step-by-step explanation:

So you have the ratio 1 cm: 110 mi, so you can multiply both sides of this ratio by 4.5 to get

4.5 cm: 465 mi

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How do I do this!!!!!
Readme [11.4K]

The expected values of the binomial distribution are given as follows:

1. 214.

2. 21.

3. 31.

<h3>What is the binomial probability distribution?</h3>

It is the <u>probability of exactly x successes on n repeated trials, with p probability</u> of a success on each trial.

The expected value of the binomial distribution is:

E(X) = np

For item 1, the parameters are:

p = 3/7, n = 500.

Hence the expected value is:

E(X) = np = 500 x 3/7 = 1500/7 = 214.

For item 2, the parameters are:

p = 0.083, n = 250.

Hence the expected value is:

E(X) = np = 250 x 0.083 = 21.

For item 3, the parameters are:

p = 1/13, n = 400.

Hence the expected value is:

E(X) = np = 400 x 1/13 = 31.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

6 0
2 years ago
-6/-3 please give explanation
loris [4]

Answer:

2

Step-by-step explanation:

Remember the rule with negatives. -x/-y=x/y

So -6/-3=6/3

6/3=2

4 0
2 years ago
Read 2 more answers
A student is building a parallelogram- shaped deck with a base of (4x + 3) feet and a height of (3x - 2) feet. Which polynomial
timurjin [86]

Answer:

F

Step-by-step explanation:

see attached image above

8 0
3 years ago
Read 2 more answers
Andrea is selling candles as a fundraiser. She spent $50 on supplies for making the candles. She plans to sell the candles for $
Kipish [7]

Answer:

A reasonable range for the function is [0, +\infty).

Step-by-step explanation:

Revenues are positive quantities since Andrea is looking for money after expenses, so that reasonable range of the revenue function is [0, +\infty).

5 0
3 years ago
The company discovered that it coast $27 to produce 2 camera cases, $105 to produce 4 camera cases, and $675 to produce 10 camer
storchak [24]

Answer:

we plot first the data and find the equation. The equation is c(x) = 7x2 - 3x + 5. when x is equal to 5, then c(x) is equal to $165

Step-by-step explanation:

8 0
3 years ago
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