Answer:
<u>4x = 20</u>
<u>x = 5</u>
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Step-by-step explanation:
Have a nice day!
Answer:
140 + 10 = 150, so 150 + 140 = 290 students. There are 140 + 10 = 150 students at Westside Middle School.
Step-by-step explanation:
Answer:
1) 2
2) 4
3) 3
Step-by-step explanation:
Im not sure how to explain this but i hope this helps!
It’s 3, absolute value makes everything positive
Answer:
S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5
Step-by-step explanation:
Given the sequence to find the sum up-to 12 terms

As we know that
A geometric sequence has a constant ratio 'r' and is defined by


















∵ 



Thus, S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5