Does the equation x2 - 6x + y2 - 6y = -9 intersect the y-axis? A) Yes, it intersects the y-axis at (0, 3). B) Yes, it intersects the y-axis at (3, 0). C) No, because the circle is entirely in the first quadrant. D) No, because the center is a (3, 3) and the radius is 9.
Answers
Answer:
The answer to your question is letter A
Step-by-step explanation:
Data
x² - 6x + y² - 6y = -9
Process
1.- Find the center
x² - 6x + ( )² + y² - 6y + ( )² = -9
x² - 6x + (3)² + y² - 6y + (3)² = -9 + 9 + 9
(x - 3)² + (y - 3)² = 9
Center = (3, 3)
radius = 3
See the graph below
2.- From the previous information and the graph, we conclude that the equation intercepts the y-axis in (0,3)
Answer:
it is a
Step-by-step explanation:
its just a
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Answers
Answer: 5x+4+2
Step-by-step explanation:
5x-1(-4+2)
multiply the -1 by the -4 and 2
5x+4+2
4 m
5 m
6 m
Answers
SA=94
L=3
W=4
94=2(3*4+3H+4H)
divide both sides by 2
47=3*4+3H+4H
47=12+7H
minus 12 both sides
35=7H
divide oth sides by 7
5=H
5m
Answers
Answer:
4 Square root 2i
Step-by-step explanation:
if you're ed then this the answer I hope this helps
√-2 = √(-1*2) = √-1 * √2 = i√2 Recall square root of -1 = i
√-18 = √(-1*18) = √-1 * √1`8 = i√18 Recall square root of -1 = i
But √18 = √(9*2) = √9 * √2= 3√2
√-18 = i√18= i(3√2) = 3i√2
√-2 + √-18 = i√2 + 3i√2 = (i + 3i)√2 = 4i√2
So the sum is 4i√2, where i = √-1
Hope this explains it.
B. Y=-10x
C. Y=x/70
D. Y=70/x
Answers
The equation that models this relation is y = 70/x. So, option (D) is the correct answer.
What is constant of proportionality?
The constant of proportionality is the ratio of two proportional values at a constant value. Two variable values have a proportional relationship when either their ratio or their product gives a constant.
For the given situation,
The values are y = 10 and x = 7
y varies inversely with x.
⇒ ∝
To remove proportionality we introduce a constant 'k'.
⇒
Substitute the values of x and y,
⇒
⇒
Now substitute the value of k = 70 in y,
⇒
Hence we can conclude that the equation that models this relation is y = 70/x. So, option (D) is the correct answer.
Learn more about constant of proportionality here
#SPJ2
Hope that helped!;)
Answers
Answers
14/10=7/5=1.4
Answer:
1.4
Step-by-step explanation: