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EastWind [94]
2 years ago
7

What is the definition of order of operations

Mathematics
1 answer:
Reil [10]2 years ago
4 0
Order of operations : A collection of rules that define which procedures to perform first in order to evaluate a given mathematical expression.
(PEMDAS) -- parenthesis, exponents, multiplication/division, addition/subtraction.
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Factor the trinomial!! PLEASE HELP and if possible please explain how to do this!!
Nikitich [7]

Answer:

d.  a = 39

Step-by-step explanation:

Question:

for which value of "a" will the trinomial be factorizable.

x^2+ax-40

For the expression to have integer factors, a = sum of the pairs of factors of -40.

-40 has following pairs of factors

{(1,-40), (2,-20, (4,-10), (5,-8), (8, -5), (10,-4), (20,-2), (40,-1) }

meaning that the possible values of a are

+/- 39, +/- 18, +/- 6, +/- 3

out of which only +39 appears on answer d.  a=39

4 0
3 years ago
Can someone help me with number 4 plz I will give 30 points
djyliett [7]

Answer:

Yes

Step-by-step explanation:

7 0
3 years ago
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Reil [10]

Answer:

10n+(10 x 15)

or

(10 x n)+150

either way it would be 270

7 0
3 years ago
What is the equation of a line that passes
OleMash [197]

Answer:y=9.5x-0.5

Step-by-step explanation:

Ok, so you need to use the equation y2-y1/x2-x1 to find the slope. So (18.5-4.25)/(2-0.5) so 14.25/1.5 , calculate that and you get 9.5 which is your slope, apply that to the slope formula which is y=mx+b where (m) is slope and (b) is y intercept and you get y=9.5x-0.5

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3 years ago
What is ((-2)?<br> -1<br> 1<br> 3
hram777 [196]

Answer:

might be 3

Step-by-step explanation:

6 0
2 years ago
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