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cricket20 [7]
3 years ago
14

1+1 (Just making this so 2 people can get free points)

Mathematics
1 answer:
agasfer [191]3 years ago
7 0
2!!! Is the answer thanks you
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What is the axis of symmetry for f(x) = -3x2 + 18 - 7
solong [7]

The vertex form:

y=a(x-h)^2+k\\\\(h,\ k)-vertex

The axis of symetry is x = h.

y=ax^2+bx+c\to h=\dfrac{-b}{2a}

We have

f(x)=-3x^2+18x-7\to a=-3,\ b=18,\ c=-7

Substitute:

h=\dfrac{-18}{(2)(-3)}=\dfrac{-18}{-6}=3

<h3>Answer: x = 3</h3>
6 0
3 years ago
In the simple linear regression model, the ____________ accounts for the variability in the dependent variable that cannot be ex
Elanso [62]

Answer:jfjsbdjfbsj

Step-by-step explanation:

5 0
3 years ago
Here is the question in the image
Artist 52 [7]

The coordinates of the edges of the <em>mini-solar</em> cooker are (x₁, y₁) = (0, - 60) and (x₂, y₂) = (0, 60).

The distance between the two edges is 120 centimeters.

The equation for the <em>parabolic</em> mirror is x + 32 = (2/225) · y².

<h3>How to analyze a parabolical mini-solar cooker </h3>

Herein we must understand the geometry of the design of the <em>mini-solar</em> cooker to determine all needed information. The y-coordinates of the edges of the cooker are determined by Pythagorean theorem:

y = \pm \sqrt{(68\,cm)^{2}-(32\,cm)^{2}}

y = ± 60

The coordinates of the edges of the <em>mini-solar</em> cooker are (x₁, y₁) = (0, - 60) and (x₂, y₂) = (0, 60). The distance between the two edges is 120 centimeters.

Lastly, the equation of the <em>parabolic</em> mirror can be determined based on the equation of the parabola in <em>vertex</em> form:

x - h = C · (y - k)²     (1)

Where:

h, k - Coordinates of the vertex

C - Vertex constant

If we know that (h, k) = (- 32, 0) and (x, y) = (0, 60), then the vertex constant of the equation of the parabola is:

0 + 32 = C · 60²

C = 2/225

Then, the equation for the <em>parabolic</em> mirror is x + 32 = (2/225) · y².

To learn more on parabolae: brainly.com/question/21685473

#SPJ1

6 0
2 years ago
To make a sauce for the chicken, he will use 0.3 cup of broth per serving of chicken. He has a container with 1.75 cups of broth
xeze [42]

Answer:

Just divide both answer

Step-by-step explanation:

0.3 ÷1.75 or switch it around if it dont work

7 0
3 years ago
Which graph represents the function?
nydimaria [60]

Answer:

Top right graph.

Step-by-step explanation:

The graph  of  f(x) = x has a slope of 1, and is increasing to the right until the point where x = -1.

The graph of f(x) = -x has a slope of -1 decreasing to the right from the point where x = -1.

The clear small circle means that the point is not included in the function ( because of the '<' ).

The filled circle means it is included ( the '≥').

7 0
3 years ago
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