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il63 [147K]
4 years ago
15

7. Identify the period for the trigonometric function: f (t) = 3cot(t).

Mathematics
2 answers:
-BARSIC- [3]4 years ago
7 0
The second option which
grigory [225]4 years ago
6 0

Answer:

π

Step-by-step explanation:

recall that for a cotangent function

f(x) = cot (bx) + k

the period is simply π / | b |

in our case b = 1, hence | b | = 1

therefore the period is simply π / 1 = π

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Can someone help??? thanks
velikii [3]
The answer to your question is 4(d+3)
4 0
3 years ago
Read 2 more answers
What is the value of x in the equation x – y = 30, when y = 15?
lord [1]

(2/3)(30)=20
30+20=50=(x/5)
(50*5)=x=250 

hope this helps

5 0
4 years ago
Read 2 more answers
What is a scale factor of 2<br>​
Veseljchak [2.6K]

Answer:

A scale factor of 2 could be in fact 4 because you can factor 2 twice to give you 4

Step-by-step explanation:

3 0
3 years ago
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What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30
Sauron [17]
X + y = 1.....multiply by -2
2x - 3y = -30
-----------------
-2x - 2y = -2 (result of multiplying by -2)
2x - 3y = -30
----------------add
-5y = -32
y = -32/-5
y = 32/5 or 6.4 <===

7 0
4 years ago
Read 2 more answers
The chair of the Department of Mathematics and Statistics needs to appoint a faculty committee consisting of 5 mathematics and 4
Ostrovityanka [42]

Answer:

There are 27,720 ways to select the committee

Step-by-step explanation:

First, it is necessary to know how many ways are there to select 3 members, if there are 9 members of the mathematics department. This can be found using the following equation:

Where nCk gives as the number of ways in which we can select k elements from a group of n elements. So, replacing n by 9 and k by 3 members, we get:

So, there are 84 ways to select 3 members from 9 members of the mathematics department.

At the same way, we can calculate that there are 330 ways to select 4 members from the 11 that belong to the Computer science department as:

Finally the total number of ways in which we can form a committee with 3 faculty members from mathematics and 4 from the computer science department is calculated as:

9C3 * 11C4 = 84 * 330 = 27,720

3 0
3 years ago
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