Answer:
The given equation represents a circle centered at (3,-1) with radius 5.
Step-by-step explanation:
The given equation is
....(1)
The higher degree of both variables is 2, therefore the equation does not represents a parabola because in case of parabola the degree of both variables are not same.
The given equation is in the standard form of a circle.
The standard form of a circle is
.... (2)
Where, r is the radius of circle and (h,k) is the center of circle.
On comparing equations (1) and (2), we get
Therefore the center of the circle is (3,-1) and radius of the circle is 5.
$17500 was invested in the first account at a rate of return of 10% (after a year) while $11000 was invested in the second account at a rate of 4% loss over the same period.
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
Let x represent the amount of money invested at 10% and y represent the amount of money invested at a loss of 4%, hence:
x + y = 28500 (1)
Also:
(x * 1 year * 0.1) + (y * 1 year * -0.04) = 1310
0.1x - 0.04y = 1310 (2)
From equation 1 and 2:
x = 17500, y = 11000
$17500 was invested in the first account at a rate of return of 10% (after a year) while $11000 was invested in the second account at a rate of 4% loss over the same period.
Find out more on equation at: brainly.com/question/2972832
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Homogeneous mixture: solution
Heterogeneous mixture: colloid and suspension
31/40
Step 1: .775= 775/1000
Step 2: 775/1000= 31/40
X^2+14x-176=0
(x+22)(x-8)
x=-22,8
This is because the 2 numbers in the factorisation must have multiple of 176& and a sum of 14
