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denis23 [38]
3 years ago
7

What is the area of a circle with a radius of 1 foot?

Mathematics
2 answers:
sasho [114]3 years ago
6 0

Answer:

C. π ft ²

Step-by-step explanation:

:)

fiasKO [112]3 years ago
5 0

Answer:

c. 3.14^2

Step-by-step explanation:

A= pi × R^2

have a good day

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Give the equation of the line perpendicular to y +7= -2(x - 6) through the<br> point (6,-3)
lilavasa [31]

<u>Note: this answer assumes the equation of the line can be put in slope-intercept form. </u>

Answer:

y + 3 = \frac{1}{2}(x-6)

Step-by-step explanation:

1) First, find the slope of y + 7 = -2 (x - 6). We can see that it's already in point-slope form, or y-y_1 = m (x-x_1) format. Remember that the number in place of the m is the slope. Therefore, -2 is the slope of that equation.

What we need is the slope that is perpendicular to that, though. So, find the opposite reciprocal of -2. To do this, change its sign, convert it into a fraction (-\frac{2}{1}), and flip its numerators and denominators. Therefore, the perpendicular slope would be \frac{1}{2}.

2) Now that we have a slope and a point the line passes through, we can write an equation using the point-slope formula, y-y_1 = m (x-x_1). In order to write an equation, the x_1, y_1, and m have to be substitute for with real values.

The m represents the slope. We already calculated that in the last step, so put \frac{1}{2} in place of the m. The x_1 and y_1 represent the x and y values of a point the line passes through. We know that the line has to pass through (6, -3), so substitute 6 for x_1 and -3 for y_1:

y - (-3) = \frac{1}{2}(x -(6))\\y + 3 = \frac{1}{2}(x - 6)

Therefore, (again, assuming that the line can be put in point-slope form) the answer is y + 3 = \frac{1}{2}(x-6).

5 0
3 years ago
The quotient of w and 10 is equal to 7
Verdich [7]

Answer:

8

Step-by-step explanation:

6 0
3 years ago
Solve linear equation 2y+20=2-y. 3y+20=2
Fiesta28 [93]

Answer:

  y = -6

Step-by-step explanation:

y is multiplied by 3 and 20 is added to the sum. We undo these operations in reverse order.

First we subtract 20 from both sides of the equation:

  3y = -18

Then we divide both sides of the equation by 3 to undo the multiplication.

  y = -18/3 = -6

The solution is y = -6.

3 0
2 years ago
(05.03 MC)
Jlenok [28]
Look it up on khan academy
3 0
2 years ago
If the radius of a circle is 5 what is the circumference
Pachacha [2.7K]

Answer:

31.42

hope this helps

have a good day :)

Step-by-step explanation:

3 0
3 years ago
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