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Olin [163]
2 years ago
11

Find the area of a circle with a circumference of 11 pi feet

Mathematics
1 answer:
Aleksandr [31]2 years ago
7 0

Answer: btw i love candy

Step-by-step explanation:

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Find the vertex of each parabola​
Setler79 [48]

Answer: 16) Vertex = (3, 39)

              17) Vertex = (-2, -17)

<u>Step-by-step explanation:</u>

When given the standard form of a quadratic equation: ax² + bx + c

use the Axis of Symmetry formula to find the x-value of the vertex.  x = -b/(2a)

Then plug the x-value into the given equation to find the y-value.

16) y = -x² + 6x + 30

          ↓       ↓      ↓

       a= -1   b=6   c=30

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(6)}{2(-1)}\quad =\dfrac{-6}{-2}\quad =3

Max: y = -(3)² + 6(3) + 30

          = -9 + 18 + 30

          = -9 + 48

          = 39

Vertex: (3, 39)

***************************************************************************************

17) y = 3x² + 12x - 5

          ↓       ↓      ↓

      a= 3   b=12   c= -5

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(12)}{2(3)}\quad =\dfrac{-12}{6}\quad =-2

Min: y = 3(-2)² + 12(-2) - 5

          = 3(4) - 24 - 5

          = 12 - 29

          = -17

Vertex: (-2, -17)

4 0
3 years ago
18 Which expression shows a "7" as a coefficient? Select ALL that apply.
soldier1979 [14.2K]

Answer:

B,F, C

Step-by-step explanation:

I belive this because a coefficient a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x y).

7 0
3 years ago
an aquaria holds 8.6 cubic feet of water. the aquarium is filled up further to hold 9.2 cubic feet of water. what is the percent
12345 [234]
Break down the question, and then divide 8.6 by 9.2 or the other way around, get your answer and then transfer that into a percent.
 hope this helps
3 0
2 years ago
X/m −x=n, what does x equal to if m≠1?
ASHA 777 [7]

Answer:

  x = mn/(1 -m)

Step-by-step explanation:

Factor out x, then multiply by the reciprocal of its coefficient.

  x/m -x = n

  x(1/m -1) = n . . . . . factor out x

  x(1 -m)/m = n . . . . simplify the coefficient of x; next multiply by its reciprocal

  x = mn/(1 -m)

6 0
3 years ago
If you answer your the G.O.A.T. Pleaseeeeeeeee somebody answer
Ronch [10]

Answer:

8 - 10 = -2

-20 - 10 = -30

-2 - (-19) = 17

-25 -35=-60

Step-by-step explanation:

(a)

8 - 10

Rewrite as addition:

8 - 10 = 8 + (-10)

8 - 10 = -2

(b):

-20 - 10

Rewrite as addition:

-20 - 10 = -20 + (-10)

-20 - 10 = -30

(c)

-2 - (-19)

Rewrite as addition:

-2 - (-19) = -2 +19

-2 - (-19) = 17

(d)

-25 -35

Rewrite as addition:

-25 -35=-25 +(-35)

-25 -35=-60

3 0
3 years ago
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