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musickatia [10]
3 years ago
9

PLEASE HELP ASAP WILL MARK BRAINLIEST!!

Mathematics
1 answer:
Papessa [141]3 years ago
7 0

Answer:

Prime.

Step-by-step explanation:

x^2-7x+8\\

First let's multiply our outer coefficients in this case 1 and 8, so we have 1x8=8.  Now the point of this is to get the factors of 8 and see if we can get that middle term -7.  Factors of 8 are 1x8, 2x4 and that's it.  From there I notice that -8+1 = -7 and so:

x^2-7x+8 = x^2-8x+x+8 = x(x-8)+(x+8)

Notice that the (x-8) and (x+8) are not the same factors, therefore the factors are not any of those answer choices and so it's prime.  You can calculate the factors by using the quadratic formula, however I think that is beyond the scope of this question.

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andreyandreev [35.5K]
Absolute value describes how far away a number is from 0

The absolute value of a number is always positive even if you are looking at the absolute value of a negative number.

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4 0
3 years ago
How do I solve this????
Arlecino [84]
Let's say the numbers are "a" and "b"
hmm say "a" is the smaller, and "b" the greater

so "b" is "4 more than 5 times" "a"

so... 5 times "a" is 5*a or 5a
4 more than "that", will be "that" + 4
or
5a + 4

so.. whatever "a" is, "b" is 5a+4

now, their sum is 22, as opposed to "zz" hehe

so       \bf \begin{cases}
a+b=22\\
--------------\\
\boxed{b}=5a+4\qquad thus\\
--------------\\
a+\boxed{5a+4}=22
\end{cases}

solve for "a", to see what the smaller one is

what's "b"?  well, b = 5a + 4
3 0
3 years ago
What are the rules for these problems?
Rudiy27
The answer to number 3 is -12 because you would do X times 4 and then add 8

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4 0
3 years ago
A fair six-sided dice is rolled once. What is the probability that a 2 is shown?
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Answer:

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Which of the following is a solution to the equation 1649
Alexeev081 [22]

Answer:

But what do we have to do ? like add subtract or multiply?  i dont know

Step-by-step explanation:

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