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djyliett [7]
3 years ago
8

Please help!! 10 points up

Mathematics
1 answer:
Contact [7]3 years ago
3 0
It is A. x = 2√3, y = 4√3
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What is the area of the obtuse triangle below?
kolezko [41]

Answer:

198

Step-by-step explanation:

just multiply 22 by 8

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3 years ago
I don’t have a clue what this word is
Naily [24]
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What integer is closest to <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B321%7D%20" id="TexFormula1" title=" \sqrt{321} " a
crimeas [40]

Answer:

Step-by-step explanation:

18*18 = 324

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2 years ago
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What is g(x)?<br> A. g(x) = -2<br> B. g(x) = -x<br> C. g(x) = -|x|<br> D. g(x) = -x^2
Nastasia [14]

Answer:

A. g(x) = -2^x.

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If g(x) = -2, it would be a straight line running horizontally.

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If g(x) = -|x|, it would be an absolute value function, which is a graph in a v-shape.

So, the remaining answer is that A. g(x) = -2^x.

Hope this helps!

3 0
3 years ago
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Solve for the roots in the equation below. x4 + 3x2 - 4 = 0
fgiga [73]
First, you need to rewrite the expression into binomial form, so you are working with two terms (as you world with a quadratic):
(x²)²-3(x²)-4=0
Now, you can place the x²s into brackets as the coefficient is now 1:
(x²  )(x²  )
Next, find out two numbers that add together to give you -3 and multiply to give -4 (these are the leftover integers after removing the x²s). These two numbers are -4 and 1.
Place the -4 and 1 into the brackets:
(x²-4)(x²+1)=0
Notice that the x²-4 is a difference of two squares, so can be further factorised into (x+2)(x-2)
This leaves you with a final factorisation of:
(x+2)(x-2)(x²+1)=0
Now we handle each bracket individually to obtain our four solutions for x:
x+2=0
x=-2
x-2=0
x=2
x²+1=0
x²=1
x=<span>±1</span>

8 0
3 years ago
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