First of all, we need to know what a function is.
A function is a binary relation between two sets that
The answer is 59. First you multiply 4 by 5 (20), then subtract 20 from 79 (59).
Step-by-step explanation:
4 inches less means
April = a
March = a - 4
Hope this helps :)
Answer:
x = -1
Step-by-step explanation:
5x + 3y = 26
- (6x + 7y = 21)
_________
-x - 4x = 5
-5x = 5
x = -1
Step-by-step explanation:
let the cost of the item be y
for taxes
30%of y
30/100×y=3y/10
=0.3y
freight charges =65
total =520
0.3y+65=520
0.3y=520-65
0.3y=455
y=455/0.3
y=$1516.7
y≈$1517
