Distribute -1/5 into the parentheses. Then you have -1/5x-25=7. Add 25 to both sides to get the equation-1/5x=32. Then divide both sides by -1/5 to get your answer.
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set them equal to each other
x²+1=x+1
minus 1 from both sides
x²=x
minus x both sides
x²-x=0
factor
x(x-1)=0
set each to 0
x=0
x-1=0
x=1
subsitute back to find y values
y=x+1, y=0+1, y=1, one point is (0,1)
y=x+1, y=1+1, y=2, another point is (1,2)
the 2 points of intersection are (0,1) and (1,2)
Answer:
You have to compare if true some of the statements.
Most of these type questions would be compare the first three data
1. Prices of red to yellow mean we need to add them all up to begin with. 10 x £29.95 + 5 x 35.99 etc. = 15 items or add one zero (x10) to 29.95 and for 35.99 we add zero (x10) then divide by 2 ie) 359.9/2 = 360/2-0.2 = 180 - 0.2 = $179.98
2. Higher and lower comparisments we just take away from total.
3. The difference or how much more something is we subtract from the full total.
This would be a 4 way thought process below;
1. Prices in $ could mean groups, mean high or low we need to count how many items and add up all the prices to find the mean by adding them together.
2. Colour's could mean more red than yellow over a certain price or under a certain price.
3. Colour could also mean how many as a combined data were higher or lower than a certain price. ie) Higher than $29.99 would mean all the data set at $30.00 more. LEss would mean lower than $29.98
4. Mean and fx would be all the prices added together + all the items togather for the fx we multiply the individual groups and create a new box. We then multiple it to the other totals. This can also help establish or be compared to the percentage for advanced data tables.
Step-by-step explanation:
