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BARSIC [14]
3 years ago
15

The vertex of this parabola is at (3, -2). When the x-value is 4, the y-value is 3. What is the coefficient of the squared expre

ssion in the parabola's equation?
Mathematics
2 answers:
user100 [1]3 years ago
5 0
Hello :
<span>the parabola's equation is : f(x) = a(x-3)²-2
</span><span>the coefficient of the squared expression in the parabola's equation is : a
but ; f(4) = 3
3 = a(4-3)²-2
a-2=3.....a=5
f(x) = 5(x-3)²-2</span>
neonofarm [45]3 years ago
3 0

Answer:

5

Step-by-step explanation:

I answered the question and got it right

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ki77a [65]

Answer:

Y= 250x+45

Step-by-step explanation:

answer = 250 per hour (X) + 45

7 0
2 years ago
Expand and Simplify (2x+1)(x-2)(x+3)
NeTakaya

(2x + 1)(x - 2)(x + 3) \\  = (2x  + 1)( {x }^{2}  + x - 6) \\  ={2x}^{3}  + 2 {x}^{2} -12x +  {x}^{2}  + x - 6 \\  = 2 {x}^{3}  + 3 {x}^{2}  - 11x - 6
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6 0
3 years ago
1/4x + 1 + 3/4c - 2/3 - 1/2x<br><br> what is it equal to??
mylen [45]

Answer: -1/4x+1/3+3/4c

Step-by-step explanation:

<h2>We can't solve it but we can simplify</h2>
  1. 1/4x+1+3/4c-2/3-1/2x, try to move the equation around. Since the operations are in the same level we can do that.
  2. 1/4x-1/2x+(1-2/3)+(3/4c), 1/4 minus 1/2 can be written as 0.25-0.50 which is -0.25 or -1/4 don't forget to add x (we can do this since there like terms)
  3. -1/4x+(1-2/3)+(3/4c), now we can convert 1 into a fraction which will become 3/3, so we can rewrite is as 3/3-2/3, which is 1/3
  4. -1/4x+1/3+3/4c, We can't simplify anymore so this is our final answer.
8 0
2 years ago
A building is in the shape of a right prism with a regular hexagon base and a dome in the shape of a hemisphere covering part of
coldgirl [10]

Answer:

6

2

Half of a

Circle

Step-by-step explanation:

7 0
3 years ago
6.Find the value of x. Don't forget your reasons.<br> (x-38)
anzhelika [568]

Answer:

x = 109

Step-by-step explanation:

The figure has one pair of parallel sides and is a trapezoid.

The lower base angle is supplementary to the upper base angle on the same side, thus

x + x - 38 = 180 , that is

2x - 38 = 180 ( add 38 to both sides )

2x = 218 ( divide both sides by 2 )

x = 109

6 0
3 years ago
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