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Kruka [31]
3 years ago
12

I have no clue what this is, never learned it yet

Mathematics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:

What are the choices?

Step-by-step explanation:

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Arliss has two pieces of carpet runner. One is2/13 yards long and the other3/13
Lunna [17]
Solution steps:

1. Add the two given fractions.

2. Subtract the sum from 10 to find your answer.
3 0
3 years ago
Read 2 more answers
A circle has a radius of 6 cm. Find its exact circumference.
lozanna [386]

The radius of circle is r = 6 cm.

The formula for the circumference of circle is,

C=2\pi r

For exact circumference take pi = 3.14.

Substitute 6 for r in the formula to determine the circumference of circle.

\begin{gathered} C=2\pi\cdot6 \\ =12\pi \\ =37.68 \end{gathered}

So exact circumference of circle is 37.68 or 12 pi .

8 0
1 year ago
Use the tests for divisibility to determine which numbers divide evenly into the given number. 39,960
Softa [21]

Answer:

  39,960 is divisible by all of the listed numbers.

Step-by-step explanation:

The sum of digits is 3+9+9+6+0 = 27, and the sum of those digits is 2+7=9.

This tells you the number is divisible by 3 and 9.

The number is even and ends in 0. Together with divisibility by 3, this tells you the number is divisible by 6. The 0-ending tells you the number is divisible by 2 and 5 and 10.

The last two digits are 60, a number that is divisible by 4, so the number is divisible by 4.

39,960 is divisible by all of the numbers listed: 2, 3, 4, 5, 6, 9, 10.

5 0
3 years ago
Please help me in this Pythagoras theorem only part (d)​
nikklg [1K]

Answer:

d = 19.9m

Step-by-step explanation:

c² - a² = b²

24.7² - 14.5² = d²

610.09 - 210.25 = d

610.09 - 210.25 = 399.84

√399.84 = 19.9

d = 19.9m

6 0
3 years ago
Find all solutions to the equation in the interval [0,2pi]. Enter the solutions in increasing order. sin 2x = sin x
Nastasia [14]

Step-by-step explanation:

sin2x=sinx\\sin2x-sinx=0\\2*sinx*cosx-sinx=0\\sinx*(2*cosx-1)-0\\sinx=0 \\x=\pi n\ \ \ \ \ x\in[0;2\pi ]\ \ \ \ \Rightarrow\\x_1=0\ \ \ \ x_2=\pi .\\2*cosx-1=0\\2*cosx=1\ |:2\\cosx=\frac{1}{2} \\x=б\frac{\pi }{3} +2\pi n\ \ \ \ \ x\in[0;2\pi ]\ \ \ \ \Rightarrow\\x_3=\frac{\pi }{3} \ \ \ \ \ x_4=\frac{5\pi }{3}.\\

Answer: x=0,\   \frac{\pi }{3} ,\  1\pi ,\  \frac{5\pi }{3} .

3 0
2 years ago
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