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Alik [6]
2 years ago
15

Solve for x. help me please

Mathematics
2 answers:
fenix001 [56]2 years ago
7 0

Answer: B) 20

Step-by-step explanation: the measurement should add up to 180 so if you add 70+80+10 and then subtract that answer from 180 you get the difference of that which is 20

Marina86 [1]2 years ago
5 0

Answer:

the answer is 20

Step-by-step explanation:

180+180=360

80+70=150

180-150=20

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A Nevada roulette wheel had 38 pockets, labeled as 0 00 1 2 3 ... 35 36. One bet is single number. If you bet $1 on a number (an
slavikrds [6]

Answer:

-0.0526

Step-by-step explanation:

Let X be the random variable denoting the net gain(in dollars) for a single trial(one bet).

Assuming that each number in the wheel is equally likely, probability of the outcome being a victory is \frac{1}{38} and probability of failure is \frac{37}{38}. For a win, X takes value 35 and for a loss X takes value -1. So the model is,

P(X=35) = \frac{1}{38}

P(X=-1) = \frac{37}{38}

P(X=i) = 0 \;if\; i \neq 38, i\neq -1

The mean for one bet is E(X) = \sum xP(X=x) = 35\times\frac{1}{38} - 1\times\frac{37}{38} = -0.0526

3 0
3 years ago
Is the prime factorization below correct?<br> 24 <br> 24+2.3.4<br> O Correct<br> Incorrect
xenn [34]
Is the prime factorization below correct

24
24+2.3.4



Answer: 100


Prime numbers are natural numbers (positive whole numbers that sometimes include 0 in certain definitions) that are greater than 1, that cannot be formed by multiplying two smaller numbers. An example of a prime number is 7, since it can only be formed by multiplying the numbers 1 and 7. Other examples include 2, 3, 5, 11, etc.
5 0
3 years ago
Cameron tells about his trip to the Big Books store. "How awful!
kari74 [83]
The answer would be $19 on eg
4 0
3 years ago
What are the roots of the quadratic equation x2+2x=-5
stiks02 [169]

Answer:

x = -1 +/-2i

Step-by-step explanation:

Write the equation in standard form to find the roots, also known as the solutions, zeros, or x-intercepts, of the quadratic.

x² + 2x + 5 = 0

Use the quadratic formula by substituting a= 1, b = 2 and c = 5.

x = \frac{-2 +/- \sqrt{(-2)^2 - 4(1)(5)} }{2(1)} = \frac{-2 +/-\sqrt{4 -20 } }{2} = \frac{-2 +/-\sqrt{-16 } }{2} = \frac{-2 +/-4i }{2} = -1 +/-2i

5 0
3 years ago
What is 3 raised to the power of 1?
Gre4nikov [31]

Answer:

Three to the power of one is still 3

Step-by-step explanation:

Anything to the power of itself is the original number. :D

5 0
3 years ago
Read 2 more answers
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