Answer:
The train engine is <u>15 centimeters</u> long.
Step-by-step explanation:
The train car length doesn't matter. All you need to do is subtract 32 cm from the total length, 47 cm.
47-32=15 cm
The train engine is 15cm long.
Y = 2x -8
If x = 2 hours: temp = 4 -8 = -4 degrees
If x = 8 hours: temp = 8 degrees
Answer:
= 9 - 6n
Step-by-step explanation:
There is a common difference d between consecutive terms, that is
d = - 3 - 3 = - 9 - (- 3) = - 15 - (- 9) = - 6
This indicates the sequence is arithmetic with explicit formula
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 3 and d = - 6 , thus
= 3 - 6(n - 1) = 3 - 6n + 6 = 9 - 6n
RHS-
(x+y)(x²-xy+y²)
=x(x²-xy+y²)+y(x²-xy+y²)
=x³-x²y+xy²+x²y-xy²+y³
(CANCEL THE POSSIBLE TERMS)
=x³+y³
=LHS
therefore verified