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malfutka [58]
3 years ago
12

Will give brainiest!!!

Mathematics
1 answer:
sashaice [31]3 years ago
7 0

Answer:

616/2500

Step-by-step explanation: You first have to find the number of times a Blue marbles was chosen: 22

Then find the total number of marbles that were chosen. Make a fraction out of it: 22/50

You then see how many times tails was flipped: 28

Do the same thing again: 28/50

Then multiply the two fractions together:

22/50 * 28/50 = 616/2500

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miv72 [106K]
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8 0
3 years ago
Factorise 2x^2 - 9x -5
Nostrana [21]

Answer:

(x-5)(2x+1)

Step-by-step explanation:

Its called google XD

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3 years ago
46 meters use pie= 3.14
Ugo [173]
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3 0
3 years ago
Simplify the expression 6h +(-7.7d) – 16 + 5d - 2.6h.
blagie [28]

Answer:

3.4h-2.7d-16

Step-by-step explanation:

Before we even start, we can already simplify some things

For example, in this equation it says +(-7.7d)

We can simplify this to 6h-7.7d-16+5d-2.6h

Now we have to get all of the common variables together

So the d’s and h’s have to be combined together in this equation

This makes a new equation of 3.4h-2.7d-16

That is our answer!

8 0
2 years ago
For a skewed data set, we say that a data set doesn't vary much if a. (Q3 - Q1) / Median ≤ .5 b. (Q3 - Q1) / Median > .5 c. S
liubo4ka [24]

Answer:

<h3>The option b) \frac{(Q_3 - Q_1)}{Median}>0.5 is correct</h3>

Step-by-step explanation:

Given that " For a skewed data set, we say that a data set doesn't vary much "

<h3>To say a skewed data set doesn't vary much :</h3>
  • Here Mean is 0.5
  • For a skewed data set we have Median is always greater than Mean
  • That is Median > Mean=0.5
<h3>Therefore Median > 0.5</h3>

Median is closer to Q_3 > Q_1

For a skewed data set, we say that a data set doesn't vary much if \frac{(Q_3 - Q_1)}{Median}>0.5

<h3>Therefore the option b) \frac{(Q_3 - Q_1)}{Median}>0.5 is correct</h3>

8 0
3 years ago
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