Answer and Step-by-step explanation:
The product that would be positive is the last answer choice.
This is because there is 2 negatives.
When two negatives multiply with each other, they become positive.
When three negatives multiply with each other, it becomes negative again.
There is no need to actually solve for the final product, just look for the amount of negatives and remember the properties of multiplying negatives.
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Answer: y = -2/5x + 3
Step-by-step explanation:
The formula for a line is: y = mx + b.
<em>m</em> is the slope of the line. We calculate this by looking at how many units the line travels vertically over how many units the line travels horizontally, or rise over run. In this example, we can see that the line goes down 2 units for every 5 it goes to the right, meaning the slope is equal to -2/5.
<em>b</em> is the y-intercept, or where the line crosses the y-axis. In this example, the line crosses the y-axis at (0, 3) making the <em>b</em> value equal to 3.
Therefore, the equation for this line put together is y = -2/5x + 3.
2(i).
(3y-20)+(4x-5)+(x+y-10)+(2x+5)=360 (Angles sum of it trapezium)
3y-20+4x-5+x+y-10+2x+5=360
7x+4y=390
(Shown)
2(ii).
(3y-20)+(2x+5)=180 (Interior Angles, Parallel Lines)
2x+3y=195
(Shown)
Hope it helps : )
Answer:
Square root of 269 or 16.4
Step-by-step explanation:
Use the distance formula
Answer:
-12 + 2i
Step-by-step explanation:
