Answer:
Equation of the circle =
80 = ( x - 1)^2 + (y + 1)^2
Step-by-step explanation:
Center = (1 , -1)
Point = ( 5 , 7)
Eqn of a circle is
r^2 = (x - h)^2 + (y - k)^2
We are not given the radius of the circle, fortunately we are provided the information that the circle contains a point ( 5, 7), so we use the above information to find r
Using the center (1, -1)
h - 1
k - -1
r^2 = (x - 1)^2 + ( y - -1)^2
r^2 = (x - 1)^2 + (y + 1)^2
With the point ( 5,7)
x = 5
y = 7
r^2 = ( 5 - 1)^2 + ( 7 + 1)^2
= 4^2 + 8^2
= 16 + 64
= 80
r^2 = 80
r = square root of 80
r = 8.94
The r = 8.94 , which means the equation of the circle is
80 = (x - 1)^2 + ( y + 1)^2
Answer: 2 • (10x - 1) <span>
I hope this helps;)</span>
In order for them to raise the same amount of money, they will need to sell 12 bags of cookies.
<h3>What is the equation?</h3>
A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.
If x is no of bags of cookies must they sell in order for them to raise the same amount of money;
For sister 1 ;
You start out with $24 and sell each bag of cookies, c, for $3.The amount of money the person raised;
y = $ 24 + ($3 / bag)x
y=24+ 3x
For case 2;
y= $ 0+ ($5 / bag)x
y=5x
If both raise the same amount of money(y) then;
24 + 3x = 5x
5x-3x=24
2x=24
x=12
Hence, the number of bags of cookies will be 12 must they sell in order for them to raise the same amount of money.
To learn more, about equations, refer;
brainly.com/question/10413253
#SPJ1
Answer:
60
Step-by-step explanation:
The radius of Earth is 6,378.1 kilometers. That means we divide that with 384,000 kilometers
Step 1: Plug them into the division:
384,000 ÷ 6,378.1
That makes 60.206...
Which means we have to....
Step 2: Simplify to the nearest integer.
Since an integer cannot be a decimal, it is 60.
Answer:
The answer is 143.77
P.S, I rounded it.
Step-by-step explanation:
Please give me brainliest.
