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lys-0071 [83]
3 years ago
14

Given that a = 1, b = 2, and C = -3, evaluateab²- ac²/ 2bc​

Mathematics
1 answer:
Firlakuza [10]3 years ago
6 0

Answer:

5/12

pls Mark as brainliest

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kompoz [17]

Answer:

52.3 about;)

Step-by-step explanation:

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3 years ago
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.............I need help thnx
kari74 [83]

The answer is A

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If the speed limit on a interstate is 45 and someone is going 85 how much more are they going than the speed limit?
-Dominant- [34]

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40 miles over the speed limit

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You want the difference between the two numbers so you subtract 45 from 85 which gives you 40

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What is the domain and range of y=x^2?
r-ruslan [8.4K]
Hi there! the best way of solving this is picturing out what the graph might look like. Let's assume you had the graph of a parabola y=x^2. You know that for every x you substitute, there'd always be a value for y. Thus, the domain is ALL REAL NUMBERS or from -INFINITY to + INFINITY. The range on the other hand is different. We know that any number raised to the second power will always yield a positive integer or 0. Thus, y=x^2 won't have any negative y-values as the graph opens upward. Therefore, the range is: ALL REAL NUMBERS GREATER THAN OR EQUAL TO 0. or simply: 0 to +INFINITY. 

<span>On the other hand, a cubic function y=x^3 is quite different from the parabola. For any x that we plug in to the function, we'd always get a value for y, thus there are no restrictions. And the domain is ALL REAL NUMBERS or from -INFINITY to + INFINITY. For the y-values, the case would be quite similar but different to that of the y=x^2. Since a negative number raised to the third power gives us negative values, then the graph would cover positive and negative values for y. Thus, the range is ALL REAL NUMBERS or from -INFINITY to + INFINITY. Good luck!!!:D</span>
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3 years ago
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How many miles are in 1019 kilometers
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Answer:

There are 633.177245 miles in 1019 km.

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