Well, we know that y=1/2x+5 from the first equation. if we substitute that into the second equation, it becomes 2x + 1/2x +5 =1. solve for x. 2x+1/2x= -4, 2 1/2x=-4, x=-1.6. plug that in to one of the equations. 2(-1.6)+y=1, -3.2+y=1, y=-2.2. the solution is (-1.6, -2.2)
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</u>Both discriminants are equal.<u>
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Answer:
count: Sum up a pre-set interval of values in excel cells.
countif: sum up a pre-set interval of values according to certain rules determined by the user.
averageif: sum the values in cells and the divides the result by the total of cells considered in the function.
Step-by-step explanation:
count: Sum up a pre-set interval of values in excel cells.
countif: sum up a pre-set interval of values according to certain rules determined by the user.
averageif: sum the values in cells and the divides the result by the total of cells considered in the function.
Answer:
D.8
Step-by-step explanation:
In order to find median you need to find the middle number of the set by crossing each one out until you get to the middle. I hope this helps!