Answer:
a = 3
Step-by-step explanation:
The triangles are similar, so the ratio of short side to long side is the same for each:
(a +5)/12 = 12/18
a +5 = 12(12/18) = 8 . . . . . multiply by 12
a = 3 . . . . . . subtract 5
Answer:
This is often called scaling in math, used in ratios, fraction, percent's etc.
Step-by-step explanation:
C) $23,760
$99+$99= 198
198x12= 2,376
2,376x10= $23,760
Answer:
Sierra found that 15 meters is equivalent to 49.2 feet. Which of the following is an equivalent ratio?
3 to 8.84
5 to 18.22
7 to 22.96
9 to 25.32
Step-by-step explanation: