14-8=6. So far we have 3 km, then 6 divided by 2 which is 3 additional kilometers. 3+3 is 6 so the final answer is 6km
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Answer 420.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.
Answer:
23 and 33
Step-by-step explanation:
23+33=56
33-23=10
The height of the plant was 19.24 cm.
Turn the percent into a decimal: 0.74
Multiply the number by the decimal
26·0.74 = 19.24