Let the difference between consecutive terms be D. If the middle term is 30, then the term before it is 30-D, and the term after it is 30+D. So the sum of these three terms would be (30-D) + 30 + (30+D) = 3*30.
Extending this sum to include all 11 terms centered around 30, we see that any addition of D is canceled by a balanced subtraction, leaving you with 11 copies of 30. So the value of the sum is 11*30 = 330.
Y = kx is the direct variation equation
Substitute the x and y that are given to find k then write your new equation in terms of y with the k.
288 = k(16) divide by 16 to find k
18 = k
Now write the new equation
y = 18x
y = 18(13) or y = 18(-13) I'm not sure by what you have typed if that is supposed to be and equal sign or a negative.
y = 234 OR y = -234
The suit case originally weights 48 kg
.75x = 36x = 33/ .75 = 48
Answer: 13+ 1.43 witch is 14.43
Step-by-step explanation: 11% of 13 is .11 times 13 witch is 1.43 so add them and you get the answer of 14.43
The coefficient is just what the variable is multiplied by, so:
-5q.
