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LUCKY_DIMON [66]
2 years ago
12

In the game of roulette a metal ball is dropped into a spinning wheel having 38 compartments, 18 of which are red, 18 are black,

two are green. suppose we spin the wheel ten consecutive times and let a random variable x be the number of times the metal ball will land on a red color.
Suppose you always bet $5 on red. If red shows up you win $5 otherwise you lose your bet. What is the probability of
A. Making a $30 profit if you bet on ten consecutive spins of the wheel?
B. Breaking even if you bet on 10 consecutive spins
C. Being $5 in deficit if you bet on 10 consecutive spins
Mathematics
1 answer:
leonid [27]2 years ago
8 0
I think its A but i dont sure sorry
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race drivers must complete 200 laps in the Daytona 500. If Ricky Bobby only completed 57% of the race, how many laps did he comp
vlada-n [284]
We can set up a proportion to figure out how many laps out of 200 laps is 57% out of 100%

\frac{x}{200} =  \frac{57}{100}

Cross multiply

100x = 57(200)

x =  \frac{57(200)}{100}

x = 2(57) = 114

The answer is 114 laps.
4 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through the points (-9,-9)(−9,−9) and (6,-7)(6,−7). Put your answer in fully simplifi
nika2105 [10]

2x-15y = 117 is the simplified form of the equation.

Equation : In a mathematical sentence, if two expressions are present in left and right side of an equal sign, then the mathematical sentence is called an equation.

If, a, b, c be integers and x is x-intercept & y is y-intercept, then ax+by=c is called equation of line.

Given that, the equation of the line that passes through the points (-9,-9)(−9,−9) and (6,-7)(6,−7).

Now, (-9,-9) & (6, -7) have a line through them with slope = (-9+7)/(-9-6) = 2/15

Therefore, (y+7) = 2/15×(x-6)

⇒ y+7 = 2x/15 - 4/5

⇒ y = 2x/15 - 4/5 - 7

⇒ y = 2x/15 -39/5

This is the equation in slope intercept form.

Multiplying the equation with 15, we get,

⇒ 15y = 2x-117

⇒ 2x-15y = 117 , which is the simplified form of the equation.

Learn more about equation of line here :

brainly.com/question/12626026

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7 0
1 year ago
1+4=5<br> 2+5=12<br> 3+6= 21<br> 8+11= ?
saul85 [17]
8+11=19 but if you add 21+19+12+5=57.
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Converting 52ft2 into meters sq
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