16) 9y+2r If she bought 1 dog toy and 2 treats: 9(1)+2(2)= 13
17) 5n-3n= 2n
17-2+7= 22 Combine like terms
2n+22 Write out expression
2(8)+22= 38 Plug in 8.
Answer: 2n+22; 38
18) 5h^3 h represents the # of weeks; Find # of tickets sold in 3 weeks:h=3
5(3)^3 plug in 3
5(27) PEMDAS; Exponents first; 3*3*3= 27
Answer: 135
19) It is true
If d=2, 5(2)*5(2)*5(2)= (5*2)^3
10*10*10=(10)^3
1,000=1,000
Answer:
Step-by-step explanation:
we know that
The diagonal of a cube is equal to
where
b is the length of an edge of the cube
we have
substitute
Hold on I just did this today let me go grab the answers rq
Answer: 100+0+3
Step-by-step explanation:
Answer:
Read Below
Step-by-step explanation:
So, 3x^3 - 18x^2 - 9x + 132 = 0
The answer would be
Exact Form: 4, 1 + 2 \3, 1 - 2 \3
Decimal Form: 4,4.6410161...., -2.46410161
Hope this Helps :D
