$v-the\ speed\ of\ the\ river\\\\16:(6+v)=8:(6-v)\\\\\frac{16}{6+v}=\frac{8}{6-v}\\-------------\\multiply\ on\ the\ cross\\-------------\\8(6+v)=16(6-v)\\\\48+8v=96-16v\\\\8v+16v=96-48\\\\24v=48\ \ \ /:24\\\\v=2\ (km/h)\leftarrow Answer$

5 0

2 years ago

A migrating bird flies 700 miles in 1414 hours. How many miles does it fly in 33 hours

Lisa [10]

In 1414 hours it covered 700 miles

In 1 hour it would have covered (700/1414) mile

In 33 hours it will then cover : 700/1414 * 33 = 16.34

So in 33 hours it will cover ≈ 16.34 miles.

5 0

2 years ago

What is the solution set of the compound inequality 3.5x - 10> -3 and 8x -9 <39

Eva8 [605]

I need to answer two questions in order to ask a question. sorry that i’m stupid and have no idea how to do this

5 0

3 years ago

1. One day at the farmer's market, a customer

lesya692 [45]

Answer:

She will get back $16.49

Explanation:

3.25+0.26=$3.51

$20-$3.51=$16.49

8 0

3 years ago