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yulyashka [42]
3 years ago
15

1.Is the expression x3•x3•x3 equivalent to x3•3•3? Why or why not? Explain your reasoning.

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
7 0
No because x3•x3•x3= 27x³ and x3•3•3=27x
maksim [4K]3 years ago
3 0
X3 × x3 × x3 = 27x³

x3 × 3 × 3 = 27x

So no, they are not equivalent to each other because when both equations are simplified, they are not the same.

~Hope I helped!~
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(Essay Question 7 Points)
Irina18 [472]

Well I don't know.
Let's think about it:

-- There are 6 possibilities for each role.
    So 36 possibilities for 2 rolls.
    Doesn't take us anywhere.

New direction:
-- If the first roll is odd, then you need another odd on the second one.
-- If the first roll is even, then you need another even on the second one.
This may be the key, right here !

-- The die has 3 odds and 3 evens.

-- Probability of an odd followed by another odd = (1/2) x (1/2) = 1/4
-- Probability of an even followed by another even = (1/2) x (1/2) = 1/4

I'm sure this is it.  I'm a little shaky on how to combine those 2 probs.

Ah hah ! 
Try this:

Probability of either 1 sequence or the other one is (1/4) + (1/4) = 1/2 .

That means ... Regardless of what the first roll is, the probability of
the second roll matching it in oddness or evenness is 1/2 .

So the probability of 2 rolls that sum to an even number is 1/2 = 50% .

Is this reasonable, or sleazy ?


4 0
3 years ago
How to solve x/-3-2=5.5
amid [387]
Okay first set up the equation

 x
---      -2     = 5.5
-3

add over the 2

 x
---  = 7.5
-3

now you need to multiply the denominator by the answer

(-3)(7.5) = x
-22.5 = x
3 0
3 years ago
In which quadrant does the point (-4,15) lie
Ivanshal [37]
Quadrant one

Hope this helped
7 0
3 years ago
Find the domain of the function f(x)=2x^3+6x^2
dybincka [34]
All real numbers for the domain
6 0
3 years ago
Guy is reading a science fiction book that is 558 pages long.If he reads 28 pages each day,how many days will it take him to rea
Citrus2011 [14]

Answer:

no more than 20 days

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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