First, the dot stands for the "product". You have to multiply.

5/8* 2/7
= [5/ (2*4)]* (2/7)
= 5/4* 1/7 (because 2 and 2 cancel out)
= (5*1)/ (4*7)
= 5/28

The final answer is 5/28~

6 0

3 years ago

Read 2 more answers

I will mark as brainliest:)

kompoz [17]

Answer:d

Step-by-step explanation:

3 0

2 years ago

Please help!!!!!!!!!!!!

Sphinxa [80]

Answer:

h = 2 ft

Step-by-step explanation:

V = lwh

144 = (9)*(8)*(h)

144 = (72)*h

h = 144/72

h = 2 ft

6 0

3 years ago

If x=a sinø and y=b cos ø, show that b²x² + a²y² =a²b²​

If x=a sinø and y=b cos ø, show that b²x² + a²y² =a²b²