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2 years ago

What is the degree measure of an arc 4(pi) ft. long in a circle of radius 10 ft.?

2 answers:

3 0

Hey there!

$20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees$

Your correct answer would be. . .

$\boxed{\boxed{72}}$

Hope this helps.
~Jurgen

Aloiza [94]2 years ago

3 0

Answer:

Hey there!

20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees

Your correct answer would be. . .

Hope this helps.

Step-by-step explanation:

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What is the simplified form of 2/x^2-x - 1/x?

Pachacha [2.7K]

Answer: $\bold{(C)\ \dfrac{3 - x}{x(x-1)}}$

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

$\dfrac{2}{x^2-x}-\dfrac{1}{x}$

$=\dfrac{2}{x(x-1)}+\dfrac{-1}{x}$

$=\dfrac{2}{x(x-1)}+\dfrac{-1}{x}\bigg(\dfrac{x-1}{x-1}\bigg)$

$=\dfrac{2}{x(x-1)}+\dfrac{-x+1}{x(x-1)}$

$=\dfrac{2-x+1}{x(x-1)}$

$=\dfrac{3-x}{x(x-1)}$

8 0

2 years ago

Find the value of x.

azamat

Answer:

98 °

Step-by-step explanation:

We know that the sum of the angles in a triangle is 180. We also know that angle DAB is 122°, meaning that angle CAB is 180-122, which is 58°. We also know that angle CBA is 24 degrees. Therefore, angle x is just 180-(58+24), which is 98

3 0

2 years ago

6x + 9 < 63<br> what is x?

Natalija [7]

6x + 9 < 63

Subtract 9 from both sides.

6x < 54

Divide 6 by both sides.

x < 9

7 0

2 years ago

Read 2 more answers

Arnoldo needs to write this system in slope-intercept form. Which shows how he could do that?

Jobisdone [24]

Answer:

$y = \frac{3}{2}x - 3$

$y = \frac{1}{8} x - \frac{7}{8}$

Step-by-step explanation:

The given system is

3x-2y=6

0.4(20y+15)=x

The slope intercept form is y=mx+c.

For the first equation, 3x-2y=6, we add -3x to both side -2y=-3x+6

$y = \frac{3}{2}x - 3$

For 0.4(20y+15)=x, we expand to get:

$8y + 7 = x$

$8y= x - 7$

Divide through by 8

$y = \frac{1}{8}x - \frac{7}{8}$

Therefore the system in slope-intercept form is:

$y = \frac{3}{2}x - 3$

$y = \frac{1}{8}x - \frac{7}{8}$

5 0

2 years ago

Read 2 more answers

Tell whether (-1,3) is a solution of the inequality whose graph is shown.

pychu [463]

Answer: No.

Reason: (-1, -3) is (x, y) so, let's find -1 on the X scale first. Alright, -1 is in the blue, which is a great start. Now, it's -3 on the Y portion. And when you graph that, it's not in the blue shaded area, so no, it's not a solution. (TIP: Solution is the Shaded Area)

4 0

2 years ago