Answer:
Part 6: what do you mean by 'if h can 36'?
Part 7: h=3, correct
Step-by-step explanation:
3+h=-3+9
h=-3+9-3
h=3
Answer:
Step-by-step explanation:
Alex paid 3.59/1.35=2.66 per pound
Answer:
In this case, the factor that comes out is x=−3, so you would divide by (x+3). Repeat until you've reduced to a quadratic, and then use the quadratic formula to find the irrational coefficients (if any). Simple factorisation solves your problem. Hence the 4 roots are x=12,x=−3,x=2i and x=−2i.
Answer:
253
Step-by-step explanation:
Answer:
Step-by-step explanation:
<em>You remove parenthesis.</em>
<em>-n-3+3n+5</em>
<em>Group like terms</em>
<em> ↓</em>
<em>-n+3n-3+5</em>
<em>Add numbers from left to right.</em>
<em>-n+3n=2n</em>
<em>2n-3+5</em>
<em>Adding and subtracting numbers from left to right.</em>
<em>-3+5=2</em>
<em>2n+2 is the correct answer.</em>