Answer:
4
Step-by-step explanation:
13 - 5 = 8
2 x 4 = 8
8 + 5 = 13
The uppercase delta Δ means "change in" so for example: Δx = difference between two x values.
The lowercase delta which Brainly does not have, looks like a squiggly lowercase d. It generally means "very small change in".
You can set up proportions to find the width of the stream.
6/7.5=x/28
Cross multiply and solve for x.
168=7.5x
Divide by 7.5
x=22.4 ft
The stream is 22.4 ft wide
13/3 would be the answer :3
Answer:
B
Step-by-step explanation: