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Hatshy [7]
2 years ago
11

How many elements are in the set {A,B,C}?

Mathematics
2 answers:
Andrew [12]2 years ago
7 0
Three I think. Might be wrong
ElenaW [278]2 years ago
6 0

Answer:

There are 3 elements in the set.

Step-by-step explanation:

Given set,

{A, B, C}

∵ Set is the collection of defined distinct objects,

These objects are called elements of the set,

We have given a set in which A, B, C are present thus they must be distinct,

So, by the above definition,

The given set has three elements.

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Suppose that x is the probability that a randomly selected person is left handed. The value (1-x) is the probability that the pe
harina [27]

Answer:

The maximum variance is 250.

Step-by-step explanation:

Consider the provided function.

V(x)=1000x(1-x)

V(x)=1000x-1000x^2

Differentiate the above function as shown:

V'(x)=1000-2000x

The double derivative of the provided function is:

V''(x)=-2000

To find maximum variance set first derivative equal to 0.

1000-2000x=0

x=\frac{1}{2}

The double derivative of the function at x=\frac{1}{2} is less than 0.

Therefore, x=\frac{1}{2} is a point of maximum.

Thus the maximum variance is:

V(x)=1000(\frac{1}{2})-1000{\frac{1}{2}}^2

V(x)=250

Hence, the maximum variance is 250.

4 0
3 years ago
MARK AS BRAINLEST!<br> 5 + x = 5
n200080 [17]

Answer:

  x = 0

Step-by-step explanation:

You know the answer to this because you know the identity element for addition is 0: 5 + 0 = 5.

__

Or, you can make use of the addition property of equality and add -5 to both sides of the equation:

  5 - 5 + x = 5 - 5

  x = 0 . . . . . . . . . . simplify

3 0
3 years ago
Read 2 more answers
Hey I need help with this question thanks for people who can help me and have a good day could you include explanation
Aleks04 [339]

Answer:

25

Step-by-step explanation:

<u>Formula</u>

B = 25(\frac{M}{10} +\frac{3}{4} )

Where M meters of granola makes B granola bars.

<u>Given:</u>

M = 2.5 meters

Now substitute that value in the formula and calculate.

B=25(\frac{2.5}{10} +\frac{3}{4} )= 25(1) = 25

Therefore, 2.5 meters of granola makes 25 granola bars.

B = 25

5 0
2 years ago
Nora's math teacher said that each question answered correctly on a test would be
lbvjy [14]

Answer:

add one please i wanna help!

Step-by-step explanation:

8 0
2 years ago
7(x-4)=14<br> what are the steps?
Vaselesa [24]

Answer:

x=6

Step-by-step explanation:

multiply 7 by x and 7 by -4. You get 7x-28=14, add 28 to 14, which is 42. So 7x=42, then divide 7 on both sides, and you get x=6.

5 0
2 years ago
Read 2 more answers
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