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Katena32 [7]
3 years ago
15

A circle has a radius of 3. An Arc in this circle has a central angle of 20 degrees. What is the length of the arc?

Mathematics
1 answer:
Alex3 years ago
6 0

Answer:

Step-by-step explanation:

L=®/3602πr

L=20/360×2×3.14×3

L=1.04

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e-lub [12.9K]
On the first place we need to write the value of x, on the second place - the value of y.
{(-3,3), (0,0), (2,-2)}.

So, the answer is A.
4 0
3 years ago
A cube of side 6 cm is painted on all its sides. If it is sliced into 1 cubic cm cubes, how many 1 cubic cm cubes will have exac
const2013 [10]

Answer:

162 cubes

Step-by-step explanation:

48 cubes will have 2 sides.

8 cubes will have 3 sides.

216-54 = 162

4 0
3 years ago
HELP NUMBER 10 please!!!
frozen [14]

Note:

0.13 x 16500 = 2145

16500 - 2145 = 14355 for the first year.

Continue this for 7 more years to get your answer.

7 0
3 years ago
Which equations have the same slope as the graph above? Select all that apply.
borishaifa [10]

Given:

The graph given passes through two points (0, 2) and (-4, 8).

General Idea:

We can find the slope (m) of a line passing through two points say A and B using the below formula.

A(x_1,y_1) \; and \; B(x_2,y_2) \; the\; two\; points\\ \\ Slope\; (m)\; =\;   \frac{y_2-y_1}{x_2-x_1}

Applying the concept:

Slope of the line given using the two points (0, 2) and (-4, 8).

m=\frac{8-2}{-4-0}=\frac{6}{-4}  =\frac{-3}{2}

Out of the five options given , we need to check which options have slope as -6/4 or -3/2 by rewriting (if needed) the given to slope intercept form y =mx + b and compare the same.

Conclusion:

Rewriting the first option, the slope is -6/4 as shown below.

y=\frac{12-6x}{4}=\frac{12}{4} -\frac{6x}{4}  =-\frac{6}{4}x+3

Rewriting the fourth option, the slope is -3/2 as show below.

-4y=6x+4\\ \\ \frac{-4y}{-4}=\frac{6x}{-4}+\frac{4}{-4}   \\ \\ y=\frac{-3}{2}x-1

Rewriting the fifth option, the slope is -3/2 as shown below.

2y+3x-5=0\\Subtract \; 3x\; and\; add\; 5\; on\; both\; sides\; of\; the\; equation\\ \\ 2y+3x-5-3x+5=0-3x+5\\ Combine\; like\; terms\\\\ 2y=-3x+5\\

Divide by 2 throughout the equation

\frac{2y}{2} =\frac{-3x}{2}+\frac{5}{2}  \\ \\ y=\frac{-3}{2} x+\frac{5}{2}

8 0
3 years ago
Read 2 more answers
The average price of gas in 2000 was $1.57 per gallon, and $2.30 in 2005. What is the rate of change for each year between 2000
KATRIN_1 [288]

Answer: $ 0.146 per year.

Step-by-step explanation:

Given: Average price of gas in 2000 = $1.57 per gallon

Average price of gas in 2005 = $2.30 per gallon

The rate of change for each year between 2000 to 2005

= \dfrac{\text{Change in price}}{\text{Change in time}}

=\dfrac{\text{Price in 2005- Price in 2000}}{2005-2000}\\\\=\dfrac{2.30-1.57}{5}\\\\=\dfrac{0.73}{5}=0.146

Hence, the rate of change for each year between 2000 to 2005 is $ 0.146 per year.

8 0
3 years ago
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