It gets you closer to your answer.
Ex: 11×2-- Round 11 to 10 and then multiply and get 20. But if you get some answer like 50, you know it is wrong. But the answer is 23
let x = the distance from Delany's house to the mall
so half the distance would be 1/2x
then it is 5 miles less than that so you would subtract 5 to give you 1/2x-5
and that is more than 6 miles so you get 1/2x-5>6
Answer:
x=2
Step-by-step explanation:
Attached Picture...
Answer:
choice 4) right scalene (one right angle and the side opposite that angle is the longest side)
choice 1) obtuse isosceles (one angle greater than 90 degrees and 2 equal length legs)
Step-by-step explanation:
As x approaches 3 from the right, the limit is 3. There is a closed hole up there AT x=3 y=7, but we don't care about what happens AT x=3, only what happens as x APPROACHES 3.
