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Juli2301 [7.4K]
1 year ago
11

Use 3.14 for the value of pie , and round your answers to two decimal places, where applicable. If the radius of a circle is 3 c

m, what is its circumference?​
Mathematics
1 answer:
Bingel [31]1 year ago
6 0

Answer:

18.85

Step-by-step explanation:

C=2πr

2(pi)3=18.85

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Give A={a,b,c},how many subsets does A have including 0?
Tems11 [23]
Answer: 8 subsets

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

There are n = 3 elements in the given set, so there are 2^n = 2^3 = 2*2*2 = 8 subsets. Those 8 subsets are listed below

{a,b,c}
{a,b}, {a,c}, {b, c}
{a}, {b}, {c}
{ }

The first row is the original set. Any set is a subset of itself.
The second row represents subsets with exactly 2 elements.
The third row represents subsets with exactly 1 element
The fourth row is the empty set which can be written as \varnothing
8 0
3 years ago
Choose two angles that are each separately alternate exterior angles with 412.
Alborosie

Answer:

∠2 and ∠5

Step-by-step explanation:

we know that

<u>Alternate Exterior Angles</u> are a pair of angles on the outer side of each of those two lines but on opposite sides of the transversal

In this problem

∠12 and ∠2 are alternate exterior angles

∠12 and ∠5 are alternate exterior angles

therefore

∠2 and ∠5 are each separately alternate exterior angles with ∠12

6 0
3 years ago
Hey! i’ll give brainliest please help
Ket [755]

Step-by-step explanation:

I'm guessing

second one

removing some of the sentences

7 0
2 years ago
Read 2 more answers
If 5% more than a is b, and b is 15% less than, what is the ratio of a to c? Please answer quickly.
Cerrena [4.2K]

Answer: 24 5 + 9 = 15 + 9 = 24

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help me please not tryna fail !
sp2606 [1]

Answer:

x=27

∠JLK=2x+1=2(27)+1=55

Step-by-step explanation:

∠A+∠K=180

3x+13+∠K=180

∠K=167-3x

∠K+∠L+∠J=180

167-3x+39+2x+1=180

207-x=180

x=27

∠JLK=2x+1=2(27)+1=55

Don't worry, you aren't gonna fail. Take a deep breath and relax. Geometry is tricky but you got this. Have a nice night.

7 0
2 years ago
Read 2 more answers
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