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crimeas [40]
3 years ago
9

Which of the following accurately shows the range of the function defined below?

Mathematics
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

we need an image in order to answer the question

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Simplify the equation -4(7r+7)
Stells [14]

Answer:

-28r - 28

Step-by-step explanation:

-4 * 7 = -28.

Therefore, -28r - 28 is the new equation. It can' be simplified any further

3 0
3 years ago
Read 2 more answers
A circle with area 81ㅠ has a sector with a central angle of 120°.
Mrac [35]

Answer:

<h2>84.78</h2>

Step-by-step explanation:

We have the area of a circle

A_O=81\pi

The sector with a central angle of

120^o

Calculate, what part of 360° is an angle 120°:

\dfrac{120^o}{360^o}=\dfrac{1}{3}

The same part of an area of a circle is an area of a segment.

Therefore:

A_S=\dfrac{1}{3}\cdot81\pi=27\pi

Use π ≈ 3.14

A_S\approx(27)(3.14)=84.78

4 0
4 years ago
Find the vertex of the given quadratic function.
ki77a [65]

B

given f(x) in factored form, equate to zero for x-intercepts

(x - 8)(x - 4) = 0, hence

x = 4, x = 8 ← x- intercepts

The vertex lies on the axis of symmetry which is situated at the midpoint of the x- intercepts

x- coordinate of vertex = \frac{4+8}{2} = 6

f(6) = (6 - 8 )(6 - 4 ) = -2 × 2 = - 4 ← y-coordinate

vertex = (6, - 4 ) → B




8 0
4 years ago
Question 1(Multiple Choice Worth 2 points)
dusya [7]

Answer:

6x +47

Step-by-step explanation:

f(x) = 6x + 11

g(x) = x + 6

now f[g(x)]=<em>by</em><em> </em><em>substituting</em><em> </em><em>values</em><em> </em><em>of</em><em> </em><em>g</em><em> </em><em>(</em><em>x</em><em>)</em>

<em>to</em><em> </em><em>f</em><em> </em><em>(</em><em>x</em><em>)</em>

<em>f[g(x)]</em><em>=</em><em>6</em><em> </em><em>(</em><em>x</em><em>+</em><em>6</em><em>)</em><em>+</em><em>11</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>6x</em><em>+</em><em>36</em><em>+</em><em>11</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>6x</em><em> </em><em>+</em><em>47</em>

7 0
3 years ago
Is the square root of 10 a rational number
laila [671]

Answer:

No

Step-by-step explanation

The square root of 10 is irrational because it isn't a fraction

7 0
2 years ago
Read 2 more answers
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