Answer:
This may help but I think you mean cosine function it means
The cosine function is one of the basic functions encountered in trigonometry (the others being the cosecant, cotangent, secant, sine, and tangent). Let be an angle measured counterclockwise from the x -axis along the arc of the unit circle. Then is the horizontal coordinate of the arc endpoint.
(this isnt mine its off the wiki page.)
Answer: Volume of sugar cube=2.20 cm³
Density of sugar cube = 1.60 g/cm³.
The sugar cube will sink.
Step-by-step explanation:
Given : Mass of cube = 3.48 g
Also, dimension of sugar cube :
height = length = width = 1.3 cm
Since , the volume of cube = (side)³
Volume of sugar cube=(1.3) ³= 2.197 ≈ 2.20 cm³
Also, Density =
⇒ Density of sugar cube =
∴ Density of sugar cube = 1.60 g/cm³.
It is known that the density of water is 1 g/cm³.
Here , density of sugar cube > density of water
⇒ The sugar cube will sink .
3:4 is the answer. Look at it like a pattern. 9:12, 3 goes into both of them, 12:15, 3 goes into both of them, 12:16, 4 goes into both of them. However nothing goes into both the numbers in 3:4.
There are many ways to check if the point (1,3) is a solution to the linear equation .
Let us check it by expressing y in terms of x.
The given expression is 5x-9y=32. If we add -5x to both sides we will get:
Multiplying both sides by -1 we will get:
In order to isolate y, we will divide both sides by 9 to get:
Now let us plug in the given value of x=1 from the point (1,3). This should give us y=3. Let us see if we get y=3 when we plug x=1 in the above equation.
Thus, we see that when x=1, y=-3 and that and hence we conclude that the point (1,3) is not a solution to the original given linear equation 5x-9y=32.
For a better understanding of the explanation given here a graph has been attached. As can be seen from the graph, (1,3) does not lie on the straight line that represents 5x-9y=32, but (1,-3) does lie on it as we had just found out.