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nekit [7.7K]
3 years ago
14

Did I get it right it’s number 7

Mathematics
2 answers:
Damm [24]3 years ago
3 0

The answer is 804.25 ft squared

Goryan [66]3 years ago
3 0
Yes, you're correct. pi*16^2 is around 804-5, depending on rounding. the diameter of the circle is the side length of the square, so it's thirty two. 32 squared is the square's area, which is 1024. 1024 minus approx. 804 is 220,so you are correct.
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Write the equation of the quadratic function with roots 6 and 10 and a vertex at (8,2)
Elis [28]
...6 and 10 are roots, so x – 6 and x – 10 are factors.
y = a(x – 6)(x – 10).....plug in the point (8, 2) and solve for a:
2 = a(8 – 6)(8 – 10)
2 = –4a
a = –1/2
...y = (–1/2)(x – 6)(x – 10)
...y = (–1/2)(x² – 16x + 60)
...y = (–x²/2) + 8x – 30 <<<------Answer, or:
...y = (–1/2)(x – 8)² + 2 <<<------Answer
7 0
3 years ago
Solve for the inverse of the following function:<br><br> f(x)=4x-16
MatroZZZ [7]
I think it’s (x+16)/4
6 0
3 years ago
Determine whether the ordered pair (1, 1) is a solution of the inequality. y ≤ -3x+1
solong [7]

-------------------------------------------------------------------------------------------------------------

Answer:  \textsf{(1, 1) is NOT a solution of the inequality}

-------------------------------------------------------------------------------------------------------------

Given:  y \le-3x + 1

Find:  \textsf{Determine if (1, 1) is a solution of the inequality}

Solution:  In order to determine if (1, 1) is a solution we need to plug in 1 for the x values and 1 for the y values and see if the equation evaluated to true.

<u>Plug in the values</u>

  • y \le-3x + 1
  • 1 \le-3(1) + 1

<u>Simplify</u>

  • 1 \le-3 + 1
  • 1 \le-2

As we can see the expression states that 1 is less than or equal to -2 which is false therefore (1, 1) is NOT a solution of the inequality.

3 0
1 year ago
The answer and how to do this
Vilka [71]
Graphically I guess means graph it. 

First graph goes to first problem. Second graph goes to second problem.

5 0
3 years ago
What is the radius and diameter of the following circle?
belka [17]

Answer:

Radius = 5.1

Diameter = 10.2

Step-by-step explanation:

Radius is a straight line that connects the center of a circle to a point on the circumference (outside of the circle).

Diameter is a straight line that goes through the center of a circle and connects two points on the circumference (outside of the circle).

The line shown goes from the center to the outside of the circle, so it is the radius

6 0
3 years ago
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