Which are sums of perfect cubes? check all that apply. 8x6 + 27 x9 + 1 81x3 + 16x6 x6 + x3 27x9 + x12 9x3 + 27x9

Answer:

Sums of perfect cubes are

Step-by-step explanation:

Option (1)

This can be written as

All the terms in the expression are can be represented as perfect cubes

Option (2)

This can be written as

In this , all the terms are not perfect cubes , some of them are squares

Option (3)

This can be written as

All the terms in the expression are  perfect cubes

Option (4)

This can be written as

All the terms in the expression are  perfect cubes

Option (5)

This can be written as

In this , all the terms are not perfect cubes , some of them are squares too

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value