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Nuetrik [128]
3 years ago
12

Is xy = 1 a function

Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0
Yes it is a function

mezya [45]3 years ago
5 0
It can be re-written as 

y = 1/x  -> f(x) = 1/x, which is a function
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Choose the value for x that solves this equation. 0 = -2x + 6
lana66690 [7]

<em>Answer:</em>

<em>x = 3</em>

<em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>0 = - 2x + 6</em>

<em>2x = 6</em>

<em>x = 6 : 2</em>

<em>x = 3</em>

<em>Good luck !</em>

7 0
3 years ago
-6/13 - (-7/15)<br> pls solve it for me !!! :)
MAXImum [283]

Answer:

First, make the double negative a positive.

So, (-6/13) + (7/15)

Then multiply the numerator, 6×7=42

And denominator 13×15=195

42/195 simplify by dividing both by 3 so 14/65

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Multiply 4 with (2x-5)
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8x+15=31
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4 0
3 years ago
What is 11,339,800 to the nearest whole number
Bas_tet [7]
11,339,800 is 11,340,000 rounded to the nearest whole number
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The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
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