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IRINA_888 [86]
3 years ago
9

What is the sum of the series?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
5 0

Answer:

Sum

Step-by-step explanation:

An arithmetic series is the sum of the terms of an arithmetic sequence. A geometric series is the sum of the terms of a geometric sequence. ... The partial sum is the sum of a limited (that is to say, a finite) number of terms, like the first ten terms, or the fifth through the hundredth terms.

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Mae Ling earns a weekly salary of 400 plus a 7% commission sales in a gift shop. How much would she make in a work week if she s
11111nata11111 [884]
Im pretty sure its 4,771 but id double check with a calculator

7 0
4 years ago
C + 6 &gt; 5c - 2<br>solved and proof​
Elena L [17]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

c < 2

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

c+6>5c - 2\\--------------\\\\\rightarrow5c - 2< c + 6 \leftarrow \text{Notice how the sides are switched.}\\\\\rightarrow 5c - c -2 < c - c + 6\\\\\rightarrow 4c -2 < 6\\\\\rightarrow 4c - 2 + 2 < 6 + 2\\\\\rightarrow 4c  < 8\\\\\rightarrow \frac{4c

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

4 0
3 years ago
the ratio of students at a school is 3 boys for every 4 girls. If there are 52 girls how many boys are in the school
vova2212 [387]
There are 39 boys. 
First you divide 4 into 52 because there are 3 boys for 4 girls. 
Then you take the quotient, 13, and multiply by 3.
3 0
4 years ago
Simplify 2 x - 8 x - 6 y + 9 -14 + x + 11 y.
Lunna [17]
<span>=<span><span><span><span><span><span><span>2x</span>+<span>−<span>8x</span></span></span>+<span>−<span>6y</span></span></span>+9</span>+<span>−14</span></span>+x</span>+<span>11y

</span></span></span><span>=<span><span><span>(<span><span><span>2x</span>+<span>−<span>8x</span></span></span>+x</span>)</span>+<span>(<span><span>−<span>6y</span></span>+<span>11y</span></span>)</span></span>+<span>(<span>9+<span>−14</span></span><span>)

= -5x+5y+-5

= -5x+5y-5

Answer is = -5x+5y-5

</span></span></span></span>
8 0
3 years ago
Read 2 more answers
What are perfect numbers? Find the only 3examples below 500
liubo4ka [24]

The first two are 6 and 28. The factors of 6 add up to the same thing as 6.

Six

1 * 2 * 3 = 6

1 + 2 + 3 = 6

Twenty eight

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Four hundred ninety Six

This one is kind of hard to believe

It is 16 * 31

1 + 2 + 4 + 8 + 16 + 248 + 124 + 62 + 31 = 496

4 0
3 years ago
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