Represent these consecutive numbers (assuming that they are all integers):
x
x+1
x+2
x+3
x+4
x+5
and so on
x+8
x+9 is the tenth number. x+9 = 10, so x = 9.
Think of it this way: there are 10 consecutive numbers, and the last one is 10.
Working backwards, we get the sequence 10, 9, ... 3, 2, 1.
The sum of such an arith sequence is equal to the count of the numbers times the average of the first and last terms:
sum here = 10(1+10)/2 = 5(11) = 55 (answer)
Hello!
Answer:
36.225
Step-by-step explanation:
Hope this helps!
<u>The simple random </u><u>sample</u><u> is </u><u>Cherryport</u><u>, Dallhoise, </u><u>Foxwood</u><u>, and </u><u>Sapphire</u><u>.</u>
What is the meaning of probability in math?
- Probability is simply how likely something is to happen.
- Whenever we're unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are.
- The analysis of events governed by probability is called statistics.
Three Types of Probability
- Classical: (equally probable outcomes) Let S=sample space (set of all possible distinct outcomes).
- Relative Frequency Definition
- Subjective Probability.
the list of random digits from left to right, starting at the beginning of the list.
74803 12009 45287 71753 98230 66419 84533 11793 04951 20597 11384
The simple random sample is Cherryport, Dallhoise, Foxwood, and Sapphire.
Learn more about probability
brainly.in/question/20798570
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Step-by-step explanation:
x² + 4x - 9
= (x + 2)² - 13
a = 2, b = -13.
