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3 years ago

10

15 POINTS PLEASE HELPPP :D

1 answer:

zhuklara [117]3 years ago

4 0

Answer:

The equation is 1.96- 0.75

The answer is 1.21

Step-by-step explanation:

Hope this helps :)

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Suppose 53% of the students in a university are baseball players. If a sample of 400 students is selected, what is the probabili

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3 years ago

How to tell if a table represents a linear relationship?

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An object's height varies directly with the length of its shadow. A person who is 6 feet tall casts a 12-foot shadow. How long i

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A belt and a wallet cost $42 while 7 belts and 4 wallets cost $213. Calculate the cost of each item.

Fittoniya [83]

Let, the cost of a belt = x
cost of a wallet = y

Then, system of equations would be:
x + y = 42
7x + 4y = 213

Multiply 1st equation by 4,
4x + 4y = 168
Substitute it from 2nd equation,
3x = 45
x = 15

Now, substitute it in 1st equation,
15 + y = 42
y = 42 - 15 = 27

In short, Belt costs $15 and wallet costs $27

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3 years ago

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In a certain lottery, an urn contains balls numbered 1 to 26. From this urn, 6 balls are chosen randomly, without replacement

expeople1 [14]

Answer:

\frac{1}{230230}

Step-by-step explanation:

Given that in a certain lottery, an urn contains balls numbered 1 to 26

From this urn, 6 balls are chosen randomly, without replacement.

Bet amount 1 dollar and he selects a set of six numbers.

If these match with those chosen from the urn he wins (order does not matter)

Total ways of choosing 6 out of 26 = $26C6 = \frac{26!}{20!6!} \\=230230$

The way he selects = 1

Hence probability of winning = $\frac{1}{230230}$

with one ticket

4 0

3 years ago