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Arlecino [84]
2 years ago
9

Which is the directrix of a parabola with equation x^2=8y

Mathematics
1 answer:
stellarik [79]2 years ago
4 0
According to the definition, is a parabola is in the standard form of (x-h)^2<span>=4p(y-k), then the directrix is y=k-p. In this case, the parabola function is x^2=8y, so h=0, p=8/4=2, k=0. Plug the values of h, p, k, into y=k-p, the directrix is y=-2.</span>
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2 years ago
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What is 4-3-2+6 equals ?.
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6 0
3 years ago
1. Suppose you have 62 toothpicks and a bunch of rubber bands.
ehidna [41]

Base-ten units are used to represent numbers in blocks

<h3>How to represent the bundle of toothpicks</h3>

The bundle is given as:

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See attachment for the drawing that represents the bundle

<h3>Ways to interpret the 6 in 62</h3>

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brainly.com/question/12386995

7 0
2 years ago
I’m suppose to round 9955 to the nearest hundred but I don’t know how help please
Kobotan [32]

Answer:

The answer would be 10,000.

Hope this helps!

4 0
3 years ago
Heeelp me please ..?
Reptile [31]
Alright so first you want to find out how you take 30% off of $30.  The first step is to ask yourself, what's 30% of $30? All you have to do is make the percentage into a decimal like you did and multiply .30 times 30.  That gets you 9.  So 9 is 30% of $30, but since it said the original 30 was marked down by that much, it means subtract. 30-9=21.  
For the second part, you pretty much do the same thing but using the 21 you just got and taking away 20% this time.  Same process so .20 times 21=4.2, and take the 4.2 away from 21 to get 21-4.2=16.8.
Convert that to dollars to see that the final price is $16.80.  
Just a tip, a lot of people will forget the subtraction part after they find the percentage part.  Most of these type questions are two steps like that so don't forget to subtract when needed. Lmk if you still have questions :)
7 0
2 years ago
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