Fractions need common denominator to add or subtract them because without denominators a fraction is not a fraction, it is a whole number
Example - 2/8 is a fraction
but 2 is not a fraction
Since the sequence is arithmetic, we have an expression of the form:

Where,
a1: first term of the sequence
d: common difference
n: number of terms
We look for the common difference:

Then, setting values we have:

Then, the sum of the terms is:

Substituting values:
Answer:
the sum of the arithmetic sequence 8, 15, 22 is:
Sn = 2483
Answer:
4.4444
Step-by-step explanation:

For angle B, the opposite leg is 40, and the adjacent leg is 9.


Answer:
Marcus needs to buy at least twice as many pounds of apples as pounds of bananas
Answer:
10
Step-by-step explanation: