Describe how the graphs of y=x and y=x-15 related
2 answers:
Answer:
y = x y y = x-15 will be parallel lines
Step-by-step explanation:
It is called linear equation or first degree equation, a raised equality that involves the presence of one or more variables that are only raised to the first power (that is, the exponent of the variables is one).
The pending-ordered form at the origin of the linear equations in the case of having two variables is:
y=m*x+b
where "x" e "y" are the variables, m is the slope and b is the intersection with the axis "y", also called ordered to the origin.
This type of equation graphically represents a line.
In this case you have the following equations:
- y=x
- y=x-15
When comparing with the equation of a line, you can observe the values of the slope and the ordinate, which in each case are the following:
- m=1; b=0
- m=1; -15
On the other hand, parallel lines are those lines that are in the same plane and never intersect. That is to say that despite prolonging their trajectory to infinity, they never meet or touch at any point; they have no common point. For two lines to be parallel, it must be fulfilled that the lines have the same and different slopes ordered at the origin.
Note that this is what happened in this case: in both lines the slope is 1; but in the case of y = x the ordinate is 0 and in y = x-15 the ordinate is -15. This means that two parallel lines will be graphically observed. You can see this in the attached image.
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Answer:
The equation that represents the motion of the string is given by:
.....[1] where t represents the time in second.
Given that: A = 0.6 cm (distance above its resting position) , k = 1.8(damping constant) and frequency(f) = 105 cycles per second.
Substitute the given values in [1] we get;
or
(a)
The trigonometric function that models the motion of the string is given by:
(b)
Determine the amount of time t that it takes the string to be damped so that
Using graphing calculator for the equation
let x = t (time in sec)
Graph as shown below in the attachment:
we get:
the amount of time t that it takes the string to be damped so that is, 0.5 sec
Answer:
See below.
Step-by-step explanation:
If it is a regular polygon then you can look up the formula or break it into shapes you do know the formula.
If it is irregular or a composite figure, break it into regular polygons which do have formulas to find the area. Here is an example:
Example:
Find the area of the composite figure by splitting the figure into two shapes - two rectangles.
One rectangle is 2 x 9 = 18.
The other rectangle is 2 x 4 = 8.
Together the area is 18 + 8 = 26.
