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timurjin [86]
3 years ago
5

help I’ll give brainliest

Mathematics
1 answer:
Tema [17]3 years ago
6 0

Answer: The median of the upper half of a set of data is the upper quartile ( UQ ) or Q3 . The upper and lower quartiles can be used to find another measure of variation call the interquartile range . The interquartile range or IQR is the range of the middle half of a set of data.

Step-by-step explanation:

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Roger has two blue ties, one red tie, two blue coats, and two orange coats. What is the probability that he wears either a blue
Lyrx [107]

Answer:

4/7

Step-by-step explanation:

Probability is the likelihood or chance that an event will occur.

Probability = Expected outcome/Total outcome

Given

Total outcome = 2blue ties+1red tie+2blue coats+2orange coats

Total outcome = 7

If he wears a blue tie, then the expected outcome will be 2.

Probability that he wears blue tie = 2/7

If he wears a blue coat, then the expected outcome will be 2.

Probability that he wears blue coat = 2/7.

The probability that he wears either a blue tie or a blue coat will be 2/7+2/7 = 4/7

3 0
3 years ago
The base of a triangle is 4 inches more than 8 times its height.
Zanzabum

Answer:

12

Step-by-step explanation:

The area of a triangle is given by A=1/2bh, and from the first line give sus b=4+4h. Therefore we get A=(1/2)(4+4h)h=12. Or (2+2h)h=12. We can simplify further by dividing both sides by 2, and we get (h+1)h=6 or multiplying out h^2+h=6 which gives h^2+h-6=0. This we can factor into (h+3)(h-2)=0 or h=2, or -3. We have a positive hight, therefore, h=2 which gives us a base of b=4+4*2=12. So a base of 12inches. and a hight of 2 inches. We can plug this into the original area formula and see we get an answer of 12

5 0
3 years ago
If c is the hypotenuse of a right triangle,find the missing side. If necessary, round to the nearest hundredth. c=sqrt(155), b=s
Lunna [17]
A^2 + 31 = 155  - I squared each of b and c for those numbers
a^2 = 155 - 31
a^2 = 124
a = 4 * sqrt(31)
6 0
4 years ago
2\times 3x\times y\times 4z\times 2x\times y\times z​
Arturiano [62]

Step-by-step explanation:

48{x}^{2} {y}^{2} {z}^{2}

6 0
3 years ago
Read 2 more answers
Express in simplest form -45%​
Ksenya-84 [330]

Answer: hello, your answer is -0.45

8 0
3 years ago
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