Answer:
V= 105cm^3
Step-by-step explanation:
V=volume
(1/3)V+40=(5/7)V
(5/7)V-(1/3)V=40
(15/21)V-(7/21)V=40
(8/21)V=40
(21/8)(8/21)V=(21/8)(40
V=21*5
V=105 cm3
(1/3)(105)=35, 35+40=75, 75/105=15/21=5/7
Answer:
Step-by-step explanation:
Answer:
16
14
8
Step-by-step explanation:
Answer:
Right and isosceles
Step-by-step explanation:
Classification by sides: Isosceles because two sides are equal.
Classification by angles : Right angled triangle because one angle is 90°.
Answer:
1
Step-by-step explanation:
When n -->∞,
90/∞ ---> 0°.
cos(0° )= 1
1^(2n)=1, 1 in any power is 1.
