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kkurt [141]
2 years ago
10

Will somebody give me a hand

Mathematics
1 answer:
erica [24]2 years ago
3 0
Area = π × r2. Or, when you know the Diameter: A = (π/4) × D2. So A = 6π, which is 18.85. So A = 18.85. And here's the hand.

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The graphs below have the same shape. What is the equation of the red<br> graph?
umka2103 [35]
The answer is D
g(x)= -x^2
5 0
2 years ago
Read 2 more answers
What is the percent from 39 to 17
AlladinOne [14]

Answer: 56.4102564% decrease

Explanation: First determine whether the number is increasing or decreasing. Since it changes from 39 to 17, it's going down so it's decreasing.

Now to find the percent decrease,

we divide the amount of change by the original number.

The amount of change is the difference between the two numbers

which in this case is 39 - 17 and the original number is 39.

So we have \frac{39 - 17}{39}

39 - 17 is 22 so we're left with \frac{22}{39} which gives us 56.4102564

Remember however that our problem is asking for a <em>percent</em>, not a decimal. So we need to write 56.4102564 as a percent by moving the decimal point 2 places to the right to get 56.4102564.

So when a number changes from 39 to 17, it has decreased by 56.4102564%.

4 0
3 years ago
On a coordinate plane, a line goes through (negative 4, 0) and (4, negative 4). A point is at (2, 3).
Valentin [98]

9514 1404 393

Answer:

  (b)  x +2y = 8

Step-by-step explanation:

The only offered line that includes the given point is ...

  x +2y = 8

__

We can check the other choices:

  x + 2y = 2 +2(3) = 2+6 = 8 . . . matches B (not A)

  2x +y = 2(2) +3 = 4+3 = 7 . . . . not a choice

_____

<em>Getting there from scratch</em>

The standard form equation for a line can be written from ...

  (y2 -y1)x -(x2 -x1)y = constant

  (-4 -0)x -(4 -(-4))y = constant . . . . using the given points (-4, 0) and (4, -4)

  -4x -8y = constant

For standard form, we need the leading coefficient to be positive, and we need common factors removed. We can get there by dividing by -4.

  x +2y = constant

The value of the constant will be whatever it takes for the given point to lie on the line. For (x, y) = (2, 3) to be a solution, we must have ...

 x +2y = (2) +2(3) = constant = 8

The desired line has the equation ...

  x +2y = 8

8 0
2 years ago
Read 2 more answers
Give a step by step instructions
Lina20 [59]

Answer:

1. X-intercept is 5    Y-intercept is 4    (Red Line)

2. X-intercept is 1    Y-intercept is 2    (Blue Line)

3. X-intercept is -2   Y-intercept is 4   (Green Line)

Step-by-step explanation:

DESMOS graphing calculator. Here is the graph showing my work:

7 0
2 years ago
Ok help ASAP I’m not doing this for my sis
Free_Kalibri [48]

Answer:

Lots of steps and answers. Look at the picture.

Step-by-step explanation:

6 0
3 years ago
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