Step 1: Find factors of 135
1 and 135
3 and 45
5 and 27
9 and 15
Remember the rules for multiplication involving negatives:
Multiplying a negative with a negative will always be positive.
Multiplying a negative with a positive will always be negative.
So in order for the product to be -135, one number of each factor pair will need to be negative.
Step 2: Figure out which factor pair will add together to get the sum of 6
(Remember at least one from each pair will be negative)
Part A:
1 + (-135) = -134
3 + (-45) = -42
5 + (-27) = -22
9 + (-15) = -6
Part B:
135 + (-1) = 134
45 + (-3) = 42
27 + (-5) = 22
15 + (-9) = 6
(Knowing that the sum of adding a larger negative number to a smaller positive number will be negative, will make this a bit faster because you would just skip to Part B)
The sum of 15 and -9 is 6. So there is the answer.
You can also check it, just to make sure it's the correct answer.
15 × (-9) = -135
15 + (-9) = 6
Answer:
32
Step-by-step explanation:
78+34=112
80+32=112
Answer:
Step-by-step explanation:
The distance between two points is given by .
Here are the vertices of a triangle.
Longest side
Hence this is an acute triangle.
Slope=7/2=3.5
Up 7, over 2
Answer:The correct answer is The spread is from 1966 to 1987
Step-by-step explanation:
Sam makes an error when recording by imputing the spread as being from 1966 to 1987 .If this happens ,then it will affect all other results such as the gap ,center and peak which will change