Answer:
volume is 1570 cm³
mass is 12560 g
Step-by-step explanation:
1m = 100 cm
the volume is :
1/4 x
x 6² x 100 - 1/4 x
x 4² x 100
= 900
- 400
{ v = 1/4
d²h }
= 500
= 500 x 3.14
= 1570 cm³
the mass of the pipe is:
1570 x 8 = 12560 grams
No, because here mom is adding in 3.5 more pages when it say only 1.5. So she'll be able to read 30 pages because 1.5 and 20 pages of her friends is 30. So your answer is that her mom is wrong.
I hope this helped! I gave an explanation and an answer. You're Welcome!
54x^5 (49x - 54) (7x^7 -9x^6)^17