Answer:
m=3
Step-by-step explanation:
150 grams is used for 5 cakes divide that.
150/5=30. 30 grams of sugar are used for each cake
for 7 cakes
30x7=<span>210 grams of sugar are used for seven cakes.
</span>
Step-by-step explanation:
Q3, B
Q4, I'm not too sure about this one but I think its D
D is the answer that is graphed.
This is an arithmetic sequence.
d= 0.5-3=-2.5
d= - 2.5
a(1)= 13
a(n) = a(1) +d(n-1)
a(n)=13-2.5(n-1)=13-2.5n+2.5= 15.5 - 2.5n
a(n)= 15.5 - 2.5n
Answer C. a(n)= 15.5 - 2.5n
