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Serga [27]
3 years ago
8

read the quote at the beginning of this section. interpret the quote in terms of what you have learned about probability

Mathematics
1 answer:
Tema [17]3 years ago
7 0
Where’s the quote ? You didn’t provide it
You might be interested in
Kelko, Boris, and Hong have a total of $83 in their wallets. Hong has 2 times what Boris has. Kelko has $7 more than Boris. How
olasank [31]

Hong has $38. Boris has $19. Kelko has $26

4 0
3 years ago
Please help me now ! Thank you
jarptica [38.1K]
First we'll do two basic steps. Step 1 is to subtract 18 from both sides. After that, divide both sides by 2 to get x^2 all by itself. Let's do those two steps now

2x^2+18 = 10
2x^2+18-18 = 10-18 <<--- step 1
2x^2 = -8
(2x^2)/2 = -8/2 <<--- step 2
x^2 = -4

At this point, it should be fairly clear there are no solutions. How can we tell? By remembering that x^2 is never negative as long as x is real. 

Using the rule that negative times negative is a positive value, it is impossible to square a real numbered value and get a negative result. 

For example
2^2 = 2*2 = 4
8^2 = 8*8 = 64
(-10)^2 = (-10)*(-10) = 100
(-14)^2 = (-14)*(-14) = 196

No matter what value we pick, the result is positive. The only exception is that 0^2 = 0 is neither positive nor negative.

So x^2 = -4 has no real solutions. Taking the square root of both sides leads to

x^2 = -4
sqrt(x^2) = sqrt(-4)
|x| = sqrt(4)*sqrt(-1)
|x| = 2*i
x = 2i or x = -2i
which are complex non-real values


5 0
3 years ago
A bus takes 45 minutes to travel 48 kilometres. What is its average<br>speed?<br>​
navik [9.2K]

Answer:

64km/h

Step-by-step explanation:

Average speed= 48km÷45 minutes

= 48km÷0.75h

= 64km/h

6 0
3 years ago
Enter an equation that can be used to solve this problem, where x represents the number of hours that Roberto had been traveling
ElenaW [278]
Hey any chance you remember the work answer for the problem? I have the same question also!
3 0
3 years ago
PLEASE HELP!!! And please SHOW YOUR WORK! *grade 9 work*
PIT_PIT [208]

Answer:

4028.5

Step-by-step explanation:

V=4000+4.75 (6)

V= 4000+28.5

V=4028.5

Please Vote Brainliest!

8 0
3 years ago
Read 2 more answers
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