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Roman55 [17]
3 years ago
8

Solve the equation 10x^4-81x^2+164=0 on the real number system

Mathematics
2 answers:
rusak2 [61]3 years ago
6 0
I got -2,2....................
Natasha_Volkova [10]3 years ago
5 0

x = -2, 2, +/- square root of 41/10

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Graph f(x)=−1.5x+6.<br><br> Use the line tool and select two points to graph the line.
aev [14]

Answer: Points (-1 , 7.5), (0 , 6), and (1 , 4.5).

Step-by-step explanation:

7 0
3 years ago
Solve for x.<br> Sqrt8 (Sqrt2 - x) = 11
Alexus [3.1K]

Answer:\frac{-7\sqrt{2} }{4}

Step-by-step explanation:

So first, let's get rid of the parentheses. We can multiply it out to get \sqrt{16}-x\sqrt{8} =11. We know that the square root of 16 is ±4, so now our equation is ±4 - x\sqrt{8}=11. I'm guessing since the problem only has one solution it's most likely only positive 4, so let's revise our equation to 4 - x\sqrt{8}=11. We can use inverse operations to make the a little easier to solve: -7= x\sqrt{8}. We divide both sides by \sqrt{8} to get \frac{-7}{\sqrt{8} } =x, which we can rationalize (remove the square root from the denominator so that it's a proper answer) by multiplying by \frac{\sqrt{8} }{\sqrt{8} } (which is equal to one so we can use it) which is equal to \frac{-7\sqrt{8} }{8}. Let's finish this by simplifying it. \sqrt{8} =2\sqrt{2} (2x2^{2}). We can simplify it further by simplifying the 2, making it \frac{-7\sqrt{2} }{4}.

Hope this wasn't too confusing! I'll answer any questions.

8 0
2 years ago
Read 2 more answers
5th grade math. correct answer will be marked brainliest.
Alex17521 [72]

Answer:

I think it's like the top answer is 6 the bottom 36.

5 0
2 years ago
Read 2 more answers
Please help me on that question for my Algebra. I don't understand it. It doesn't make any sense.
yaroslaw [1]
I’m pretty sure the answer is E. X is a linear function. Z is a cubed root function. W is a quadratic function and Y is exponential
3 0
2 years ago
What is the sign of -4-8
dusya [7]

Answer:

The sign should be negative ( - )!

Step-by-step explanation:

-4 - 8 = -12

Please mark Brainliest!!! =D

7 0
3 years ago
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