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Elden [556K]
3 years ago
9

Let f(x) = x - 1/x. which of the following are zeros of f(x)?

Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0
I'm assuming that is f(x) = (x-1)/x
In that case, the answer would be just x = 1.

However, if the original is f(x) = x - (1/x) the answer would be x = 1 and x = -1.

It's really just a formatting thing—if the given equation is indeed f(x) = (x-1)/x then x = 1 is the answer. 

Hope this helped!! xx
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Which of the following are properties of the circumcenter of a triangle? Check all that apply.
Nonamiya [84]
A and B are right C is incenter D is totally wrong hope this helps god bless
3 0
3 years ago
A mirror is in the shape of an isosceles right triangle and has a hypotenuse length of seven times the square root of two. What
frez [133]

The length of one of the legs  of an isosceles right triangle and has a hypotenuse length of seven times the square root of two is 7 units.

<h3>What is an Isosceles triangle?</h3>

Isosceles triangles are triangles that has two of it sides equal to each other. The base angles of an isosceles triangle are equal.

The  isosceles triangle is also a right angle triangle. The hypotenuse is the longest side of a right angle triangle.

Therefore,

hypotenuse = 7(√2)

let the length of the other legs = x

Therefore, using Pythagoras theorem

c² = a² + b²

(7(√2))² = x² + x²

49 × 2 = 2x²

98 = 2x²

x² = 98 / 2

x = √49

x = 7 units

learn more on isosceles triangle here: brainly.com/question/10412877

4 0
2 years ago
Can someone please help me??? Please help and be right :)
Nesterboy [21]
There you go hope that’s helps !!!

5 0
3 years ago
Which factor do 64x^2 + 48x + 9 and 64x^2 - 9 have in common?
Ber [7]
Start with the second expression.  That factors easily into (8x-3)(8x+3).
Since 64x^2 + 48x + 9 has no negative signs, I'd bet that the common factor is (8x+3).  Divide  <span>64x^2 + 48x + 9  by that to verify.

</span>
8 0
3 years ago
Find the exact length of the missing sides
Black_prince [1.1K]
For finding x:
We want to use tangent because tangent is opposite/adjacent
tan (30)= x/15
Multiply both sides of the equation by 15 to isolate x
Now we have, (15)(tan 30) = x
Simply plug the above equation into your calculator and you should get x=8.66

For y:
We know the angle opposite side y is= 90˚ (it is marked as a right angle)
We are going to use cosine because cosine is adjacent/hypotenuse
So, cos(90)= 15/y
Multiply by y
(y)(cos 90)=15
Now use simple algebra
cos (90) = 0
Y x 0 =15
y=15

Hope this helps. By the way, I am a little rusty on this topic so I am not 100% sure that this is right (I'm 98% sure).

 
6 0
3 years ago
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