Answer:
coordinates of B is ( 4,5)
Step-by-step explanation:
If there two points (x1,y1) and (x2,y2) on a plane then coordinates of mid point is given by
m = (x1+x2)/2 , (y1+y2)/2
Given
m = (-1,1)
A= (-6, -3)
we have to point b
let point b be (x,y)
Then m (-1,1) is given by (-6+x)/2 , (-3+y)/2
(-6+x)/2 = -1
-6 + x = 2*-1 = -2
x = -2+6 = 4
also
(-3+y)/2 = 1
=> -3 + y = 2
=> y = 2 + 3 = 5
Thus , coordinates of B is ( 4,5) answer
Answer:
y = - 4(x + 3)² + 7
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
From the graph (h, k ) = (- 3, 7 ), thus
y = a(x + 3)² + 7
To find a we require a point on the graph other than the vertex
Using (- 2, 3) , substitute into the equation
3 = a(- 2 + 3)² + 7
3 = a + 7 ( subtract 7 from both sides )
a = - 4
Thus
y = - 4(x + 3)² + 7 ← in vertex form
There were 330 sold without cheese. there was 165 sold with cheese
UPWARD JOURNEY
(g is -ive)
u= 80.5m/s
Height reached= u^2/2g= 324m
Height of the ball at topmost point of journey= 414m
DOWNWARD JOURNEY
(g is +ive)
u=0
We need to find the velocity at 89m from ground, which is equivalent to finding velocity at 325 m from the topmost point in downward direction.
v= √2gh= √2*10*325= 80.6= 81 m/sec(Answer)
Parallel, because if you extend them forever they’ll never touch
