The vertex of this parabola is at (-3, 6). Which of the following could be its equation? A. y = -3(x + 3)2 + 6
B. y = -3(x + 3)2 - 6
C. y = -3(x - 3)2 + 6
D. y = -3(x - 3)2 - 6
Answers
Based on the calculations, the equation of this parabola is equal to: A. y = -3(x + 3)² + 6.
How to determine the equation of a parabola?
Mathematically, the standard equation with the vertex for any parabola is given by:
y = a(x - h)² + k.
where:
- h and k are the vertex.
- a is a point.
Substituting the given parameters into the formula, we have;
y = -3(-3 - (-3))² + 6
y = -3(x + 3)² + 6
Read more on parabola here: brainly.com/question/2346582
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A is your answer
(-3,6) must be a point of the curve.
A) if x=-3 then y=-3(-3+3)²+6=6
y'=-3(x+3)=0==>x=-3
and y=6
B) if x=-3 then y=-3(-3+3)²-6=-6 and not 6
C) if x=-3 then y=-3(-3-3)²+6=-3*36+6= -102 and not 6
D) -3(-3-3)²-6=-3*36-6=-114
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b. 70 <= 82 + 88 + n / 3 <= 85; 80 <= n <= 85
c. 80 <= 82 + 88 + n / 3 < 85; 70 < n < 85
d. 82 <= 80 + 85 + n / 3 <= 88; 70 <= n <= 85
Answers
Answer : option A
Jackie scored 82 and 88 on her first two quizzes
Let n be the score of third quiz
Average of 3 quiz =
average between 80 and 85, inclusive.
so average lies between 80 and 85
Question says 80 and 85 inclusive. so we use <= or >= symbol
So inequality becomes
( multiply all sides by 3)
(subtract all sides by 170)
so option A is correct
i hope this is helpful
A.
a < 18 and a may be a negative number
B.
a < 18 and a must be a positive number
C.
a > 18 and a may be a negative number
D.
a > 18 and a must be a positive number
Answers
Answers
Answer:
2 crore are there in 20 million.
Step-by-step explanation:
❣️(◍Jess bregoli◍)❣️
#keep learning!!
Now,
10millions=1crore
20millions=1/10*20
=2crore
Ihopeit's help you...
Mark me as brainliest...
Answers
Answers
First lets find out what 25% of 8 is
So in order to find it we multiply 25% by 8
to make things easier we change the 25% to a decimal
25% = 0.25
Now we can multiply.
0.25 x 8 = 2
So since this is a increase we take 8 and add our 25%
25% of 8 = 2
we want an extra 25% with 8
so we add!
8 + 2 = 10
Answer = with a 25% increase 8 becomes 10
doesn't makes sense?
its okay ill explain it you :)
First step we need to multiply 8 and 25%
of course 25% = 0.25
soooo
8 x 0.25 = 2
Second step we add 2 and 8
soooo
8 + 2 = 10
So your final answer is 10
:P
Answers
there is a 3/4 chance that 2 cards will have different suits, as there are more different possibilities than there are same.