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balu736 [363]
3 years ago
7

If the sum of the interior angles of a polygon is 3780° how many sides does it have ​

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
4 0

Answer:

the answer will be 23

Step-by-step explanation:

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A = bh/2
Sliva [168]
To find A' they used the rule of multiplication, which is:

the derivative of a product of two terms is the first term times the derivative of the second term plus the second term times the derivative of the first.

To find b' they just isolated b'


6 0
3 years ago
8. How many ways can a committee of 5 students be chosen from a student council of 30 students? Is the order in which the member
tankabanditka [31]

Answer: A committee of 5 students can be chosen from a student council of 30 students in 142506 ways.

No , the order in which the members of the committee are chosen is not  important.

Step-by-step explanation:

Given : The total number of students in the council = 30

The number of students needed to be chosen = 5

The order in which the members of the committee are chosen does not matter.

So we Combinations (If order matters then we use permutations.)

The number of combinations of to select r things of n things = ^nC_r=\dfrac{n!}{r!(n-r)!}

So the number of ways a committee of 5 students can be chosen from a student council of 30 students=^{30}C_5=\dfrac{30!}{5!(30-5)!}

=\dfrac{30\times29\times28\times27\times26\times25!}{(120)\times25!}=142506

Therefore , a committee of 5 students can be chosen from a student council of 30 students in 142506 ways.

4 0
3 years ago
1. write a ratio and a percent for the shaded are
vitfil [10]
D. 3/10 is the answer
4 0
3 years ago
Can we find solution to a problem without conducting systematic research?
marin [14]
Every problem in the universe must have a mathemathics compositition in it.If not then you are just guessing or predicting 

6 0
3 years ago
I was just wondering this is one of my questions in my math books and i needed help
just olya [345]

Answer:

B is true

Step-by-step explanation:

5 is a coefficient of x^0

7 0
3 years ago
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