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Sauron [17]
3 years ago
9

Could somebody please help me

Mathematics
1 answer:
Bas_tet [7]3 years ago
4 0
Yes what do u need help with ?
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Please help!!! Find the domain of the function y = 2 cot(5∕8x).
anastassius [24]

Answer:

B) All real numbers except 0 and integer multiples of 8π∕5

Step-by-step explanation:

Cotangent function:

The cotangent function is given by:

y = \cot{ax} = \frac{\cos{ax}}{\sin{ax}}

Domain:

All real values except those at which:

\sin{ax} = 0

The sine is 0 for 0 and all integer multiples of \frac{1}{a}

In this question:

a = \frac{5}{8}, so the values outside the domain are 0 and the integer multiples of \frac{8}{5}. Then the correct answer is given by option b.

6 0
3 years ago
What does 1.75 represent in the second expression?
quester [9]

Answer:

B

Step-by-step explanation:

sana nakatulong mga lods

7 0
3 years ago
(-5,4) and (1,6)<br> y-6 =? plz help me
Elena-2011 [213]

Answer:

(-5,4) and (1,6) are cordanites on a graph 1st square is ++ 2nd is +- 3rd is -- and 4th is -+

Step-by-step explanation:

7 0
4 years ago
Find the surface area of the cube. 5 ft S.A. = [?] ft? 5 ft A Hint: A cube has 6 square faces. Find the area of one face, then m
atroni [7]

First, let's find the area of one face of the cube.

Area = base x height

A = 5 x 5 = 25

There are 6 faces on a cube, so we can multiply the area of one face by 6 to get the total surface area.

SA = 25 x 6 = 150 ft^2

Hope this helps!

4 0
3 years ago
The side lengths of the figure below are given in centimeters.
NemiM [27]
This is elemantry but the answer comes out radical. what?,,,

7 0
4 years ago
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