Answer:x=53/6 and y=-55/6
Step-by-step explanation:
Let the first number x
Second number b y
Sum of the numbers x+y=-1/3
x-y=18
Solve simultaneously
Using elimination method
We get
2y=-55/3
y=-55/6
Substitute for y in equation 1
x+55/6=18
x=18-55/6
x=53/6
Answer: Choice C)
Stretched vertically, flipped over x axis, shifted 7 units down
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Explanation:
Going from y = x^3 to y = 2x^3 means the graph is pulled vertically so that each (x,y) point has the y coordinate that is doubled. Example: (1,1) turns into (1,2). If this applies to all the points, then the graph is stretched vertically by a factor of 2
Going from y = 2x^3 to y = -2x^3 flips the graph over the y axis. For example, the point (1,2) flips to (1,-2). The x coordinate stays the same with the y coordinate flipping in sign.
The last transformation is the shifting 7 units down which is taken care of by the "-7" tacked at the end. Essentially we subtract 7 from each y coordinate. Example: (1,-2) becomes (1,-9)
Answer:
And replacing we got:
And for this case we can use the first point to find the intercept like this:
And solving we got:
And then the line equation would be given by:
Step-by-step explanation:
For this case we have the following two points given:
And for this case we want an equation for a line with the two points given by:
Wher m is the slope and b the y intercept. We can find the slope with this formula:
And replacing we got:
And for this case we can use the first point to find the intercept like this:
And solving we got:
And then the line equation would be given by:
5/8 = .625
531.25 / .625 = 850
850 - 531.25 = $318.75
Answer:
Rashod
Step-by-step explanation:
Since all that matters is the weight change, not how much greater or less, we can see that 20 is bigger than 8, meaning that Rashod had a greater weight change
