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Anvisha [2.4K]
3 years ago
8

Which equation has the correct sign on the product?

Mathematics
1 answer:
Mila [183]3 years ago
3 0

Answer: a.

Would appreciate brainly <3

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Write an expression that shows how to use the halving and doubling strategy to find 28x50
vladimir1956 [14]
Double of 50 is 100, so 28*100=2800, now half of the answer is 2800/2=1400
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Please help!! 30 pts! thanks!
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Step-by-step explanation:

Eu não sei cara, sinto muito, cara, não me denuncie ou você é apenas um idiota metido

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Mã morse có được sử dụng trong toán học hiện nay hay không?
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The graph of y = f(x) is graphed below. Wat is the end behavior of f(x)? <br> PLEASE ASAP
Maurinko [17]

Answer:

B.) as x --> -∞, f(x) --> ∞ and x --> ∞, f(x) --> ∞

Step-by-step explanation:

F(x) is another way of representing "y". That being said, the question is asking you the behavior of the graph in terms of the y-axis. On both sides of the function, there is an arrow pointing upwards, towards infinite, positive y-values. Therefore, as "x" approaches -∞ and ∞, f(x) is approaching ∞ (positive infinity).

4 0
2 years ago
Andy completes the square for the function y = x^2 + 6x -8 Which of the following functions reveals the vertex of the parabola?
LiRa [457]

Answer:

B. y = (x + 3)^2 - 17

Step-by-step explanation:

When Andy completes the square, he adds and subtracts the square of half the x-coefficient. That is, he adds and subtracts (6/2)² = 9:

... y = x² +6x +9 -8 -9

... y = (x² +6x +9) -17

... y = (x +3)² -17 . . . . . . . . matches selection B

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