What is the equation of a parabola with its vertex at the origin and its focus at (–2, 0)?

Mathematics

1 answer:

user100 [1]3 years ago

7 0

Step-by-step explanation:

this is the answerI hope it helps

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Solve for x by using log. Rounded to hundredth. <img src="https://tex.z-dn.net/?f=4%5E%7B2x-5%7D%20%3D6%5E%7B-x%2B1%7D"

wel

Answer: $x=1.91$

Step-by-step explanation:

Given the expression $4^{2x-5} =6^{-x+1}$ , apply logarithm to both sides. Then:

$log(4)^{2x-5} =log(6)^{-x+1}$

Remembert that according the the properties of logarithms:

$log(a)^n=nlog(a)$

Then:

$(2x-5)log(4)=(-x+1)log(6)$

Appy distributive property and solve for "x":

$2xlog(4)-5log(4)=-xlog(6)+log(6)\\2xlog(4)+xlog(6)=log(6)+5log(4)\\x(2log(4)+log(6))=log(6)+5log(4)\\\\x=\frac{log(6)+5log(4)}{2log(4)+log(6)}\\\\x=1.91$

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4 years ago

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Which answer correctly describes two factors of a prime number?

zmey [24]

There are only 2 factors in a prime number....1 and the prime number...because that is what a prime number is...a number with only 2 factors..1 and itself.

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3 years ago

Y=-x+5 solve for. X

vagabundo [1.1K]

x=5-y Hopefully this helps; I just needed to put 20 letters or something lol

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Arrange the numbers in decreasing order 9/4 2 1/12 2 1/2 12/11

LekaFEV [45]

2 1/2
9/4
2 1/12
12/11
Hope this helps you...

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4 years ago