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11Alexandr11 [23.1K]
3 years ago
6

A circle has a radius of 3. An arc in this circle has a central angle of 20 degrees.

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

π/3 units

Step-by-step explanation:

arc length = 2πr(°/360)

                 = 2π*3(20/360)

                 = π/3 units

You might be interested in
What number am i?7 times two digit number equals 4 times number with the digit reversed .the sum of the digits is 3.
love history [14]

Answer:

12

Step-by-step explanation:

7 times 12 is 84. 4 times 21 is 84. The digits have a sum of 3.

5 0
2 years ago
An orange is shot up into the air with a catapult. The function given by h(t)+20+60t-16t² models the oranges height in feet, t s
Ganezh [65]

Answer:

  C, E

Step-by-step explanation:

As a rule, these ballistic motion equations are only applicable for heights above the final resting place. Usually, that is the ground (h=0). Time is always measured as a non-negative quantity beginning at the time of launch.

The function is meaningless after the time the object comes to rest on the ground, so the domain of the function extends from 0 until that time.

These considerations allow us to evaluate the offered statements.

  A. The domain never includes negative values. (A is not a true statement)

  B. The heights are the same at times that are symmetrical around the time of the maximum height. Here, that time is about 1.9 seconds, not 1.5 seconds, so the heights will be different at 1 and 2 seconds after launch. (B is not a true statement)

  C. The graph of the function shows the height reaches 0 at about 4.06 seconds, a little after 4 seconds. (C is true)

  D. Based on our answer to C, we know t=10 is outside the domain of the function. (D is not a true statement)

  E. The value of the function is 20 when t=0, so the function tells us the orange is 20 feet above the ground when it is launched. (E is true)

The true statements are C and E.

3 0
2 years ago
I dont understand this equation.
amm1812
Where is the question and what is it?
4 0
2 years ago
Read 2 more answers
40pts!! Select the correct answer. <br> Simplify.
stiv31 [10]

Hey!

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

Solution:

=\frac{3x^2y^3}{z^3}

Cube the coefficients.

= \frac{27x^2y^3}{z^3}

Multiply the exponents.

= \frac{27x^6y^9}{z^9}

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

Answer:

Option D.

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

Hope This Helped! Good Luck!

5 0
3 years ago
PLEASE HELP ME!!!!! <br><br> what is the perimeter and area of this figure?
Pavel [41]

Answer:

The perimeter is 99

Step-by-step explanation:

you do 11x9=99

4 0
3 years ago
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