Use y=mx+b
<span>y=-5/3x+10 </span>
Sixty minus nine hundred and fifty
Answer:
21.42
Step-by-step explanation:
The length of the diagonal sides of this parallelogram are given by the distance formula:
d = √((x2-x1)^2 +(y2 -y1)^2) = √((2-(-1))^2 +(8-2)^2) = √(3^2 +6^2) = 3√5
Of course, the lengths of the horizontal segments are given by the difference in their x-coordinates: 3-(-1) = 4. As with any parallelogram, the perimeter is twice the sum of adjacent side lengths:
P = 2(d +4) = 2(3√5 +4) = 8 +6√5 ≈ 21.4164
P ≈ 21.42 units
The perimeter is about 21.42 units.
25 students
194 balloons
194/25 = 7.76
Each student gets 7 balloons, 7 x 25 = 175 balloons will be used
194 - 175 = 19 balloons remaining (Answer to part 1 of this question)
If each student needs 8 balloons
8 * 25 = 200
200 - 194 = 6 ballons needed (Answer to part 2 of this question)
We also could have found the answer to part 2 by saying that we had 19 balloons left over when the students each were given 7 balloons
Each student needs another 1 balloon = 25 balloons,
We have 19 left over
25 - 19 = 6 balloons need to be purchased (we got the same answer both ways so it is very likely we have the correct answer)
1. not factorable
2. not factorable
3.(x+6)^2