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Law Incorporation [45]
3 years ago
9

What is the value of the expression (9+15)*3+2

Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0
First do parenthesis the multiplication then add
9+15=24*3=72+2=74 :)hope this helps
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Find Y <br>.............. ​
N76 [4]

Answer:

y = 40 / sqrt(pi)

Step-by-step explanation:

The area is 400

We want to find the diameter

400 = pi r^2

Divide each side by pi

400/ pi = r^2

Take the square root of each side

sqrt(400/ pi) = sqrt(r^2)

20/ sqrt(pi) = r

The diameter is twice the radius

2 r = d

2 * 20/ sqrt(pi) = d

40 / sqrt(pi) =d

y is the diameter so

y = 40 / sqrt(pi)

4 0
3 years ago
A roulette wheel has the numbers 1 through 36, 0, and 00. A bet on four numbers pays 8 to 1 (that is, if you bet $1 and one of t
Natasha_Volkova [10]

Answer:

Lose $0.05

Step-by-step explanation:

There are 38 possible spots on the roulette wheel (numbers 1 to 36, 0 and 00).

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P(W) = \frac{4}{38} \\P(L) = 1-P(W) = 1-\frac{4}{38} \\P(L) = \frac{34}{38}

The expected value of the bet is given by the probability of winning multiplied by the payout ($8), minus the probability of losing multiplied by the bet cost ($1)

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On each bet, the player is expected to lose 5 cents ($0.05).

4 0
3 years ago
A poll of 793 adults aged 18 or older asked about purchases that they intended to make for the upcoming holiday season. One of t
Ira Lisetskai [31]

Answer:

(0.5793, 0.6363)

Step-by-step explanation:

Given that a  poll of 793 adults aged 18 or older asked about purchases that they intended to make for the upcoming holiday season. One of the questions asked about what kind of gift they intended to buy for the person on whom they would spend the most. Clothing was the first choice of 482 people.

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q=1-p = 0.392

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For 90% Z crtiical = 1.645

Hence margin of error = 1.645 * std error = 0.0285

Confidence interval 90%

= proportion ±margin of error

=(0.5793, 0.6363)

3 0
3 years ago
What is the area of this figure?<br><br> Enter your answer as a decimal in the box.<br><br><br> cm²
klasskru [66]
I think that the answer is 63 although I could be wrong
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3 years ago
What is the percent increase of 40 to 65
Darya [45]

Answer:

percentage increase calculator, formula

Step-by-step explanation:

calculations to find what percent increase from, 40 to 66, 65%

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