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Andrei [34K]
2 years ago
13

(7×0.1)+(3×0.01)+(2×0.001

Mathematics
2 answers:
anyanavicka [17]2 years ago
7 0
.732


...............................
Lena [83]2 years ago
6 0
0.732

thats the answer

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The reciprocal of the sum of the number and 3?
MariettaO [177]

Answer:

Could you please check if you've written the question properly

This question doesn't provide enough information

<h2>Please mark as brainliest for further answers :)</h2>

3 0
3 years ago
Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random variable , whose possible values
Naddika [18.5K]

For a probability distribution to be represented, it is needed that P(X = 0) + P(X = 1) = 0.44. Hence one possible example is:

  • P(X = 0) = 0.40.
  • P(X = 1) = 0.04.

<h3>What is needed for a discrete random variable to represent a probability distribution?</h3>

The sum of all the probabilities must be of 1, hence:

P(X = 0) + P(X = 1) + P(X = 3) + P(X = 4) + P(X = 5) = 1.

Then, considering the table:

P(X = 0) + P(X = 1) + 0.15 + 0.17 + 0.24 = 1

P(X = 0) + P(X = 1) + 0.56 = 1

P(X = 0) + P(X = 1) = 0.44.

Hence one possible example is:

  • P(X = 0) = 0.40.
  • P(X = 1) = 0.04.

More can be learned about probability distributions at brainly.com/question/24802582

#SPJ1

6 0
1 year ago
Simplify surds √50+√√72-√√128​
34kurt

Answer:

3\sqrt{2}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Simplify the given radicals

\sqrt{50}

= \sqrt{25(2)}

= \sqrt{25} × \sqrt{2}

= 5\sqrt{2}

------------------------

\sqrt{72}

= \sqrt{36(2)}

= \sqrt{36} × \sqrt{2}

= 6\sqrt{2}

-----------------------

\sqrt{128}

= \sqrt{64(2)}

= \sqrt{64} × \sqrt{2}

= 8\sqrt{2}

Then

\sqrt{50} + \sqrt{72} - \sqrt{128}

= 5\sqrt{2} + 6\sqrt{2} - 8\sqrt{2}

= 11\sqrt{2} - 8\sqrt{2}

= 3\sqrt{2}

3 0
2 years ago
What is the slope of<br> the line parallel to 3x +<br> y = 12?
Doss [256]

Answer:

slope = -3

Step-by-step explanation:

1) Rearrange eqn into slope intercept form

slope intercept form: y = mx + b

where...

m = the slope

b = the y-intercept (where the line crosses the y axis)

3x + y = 12

y = -3x+12

2) Know parallel rule. A line that runs parallel has the same slope but a different y-intercept

So the slope is: -3

8 0
3 years ago
Read 2 more answers
How many segments of length x will fit into the circumference of this circle? Express your answer to the nearest hundredth.
Trava [24]

Answer:

<h2><u><em>the circumference of a circle is defined as:</em></u></h2><h2><u><em></em></u></h2><h2><u><em>c = pi*diameter</em></u></h2><h2><u><em></em></u></h2><h2><u><em>if we have x segments of length y, then we can fit:</em></u></h2><h2><u><em></em></u></h2><h2><u><em>c/y = z</em></u></h2><h2><u><em></em></u></h2><h2><u><em>we can fit z segments of size y on the circumference c</em></u></h2><h2><u><em></em></u></h2>

<u><em></em></u>

6 0
2 years ago
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