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mixas84 [53]
3 years ago
9

Can some one help me asap

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0
It'd be easier to do #18 if y ou were to break it up:

                                                        14* (first term + 14th term)
Sum from n=1 to 14 of n =  S      = ---------------------------------
                                               14                       2
                                    
     14(1+14)
= ---------------- = 7(15) = 105 
           2

The sum of twice that is 210.  The sum of "1 from n=1 to n=14" is just 14.

The final sum is 210 + 14 = 224 (answer)
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What is the value of x?<br> 3/5x – 1/3 x = x – 1
Aleks04 [339]
The first step to solving this is to multiply both sides of the equation by 15.
9x - 5x = 15x - 15
Collect all of the like terms on the left side of the equals sign.
4x = 15x - 15
Move the variable to the left side of the equation and change its sign.
4x - 15x = -15
Now collect the like terms on the left side of the equation for the second time.
-11x = -15
Lastly,, divide both sides of the equation by -11 to get your final answer.
\frac{15}{11}
This means that the correct answer to your question is \frac{15}{11},, or 1\frac{4}{11} simplified.
Let me know if you have any further questions
:)
6 0
3 years ago
I'm not sure how to come to the answer of this question.
Nina [5.8K]
Your answer would be A

5 0
4 years ago
Help me please! Someone “answered” this question already but it’s not the right answer!
Katyanochek1 [597]

Answer: x < -7 over 3 for the first and x > 5 for the second.

Step-by-step explanation: I took two adderalls and I'm high as a kite.

6 0
3 years ago
Please i wil give you 5 star if you answer this question
Dmitrij [34]

Answer:

{4,5}

Step-by-step explanation:

4+1=5    5>4

5+1=6    6>4

4 0
3 years ago
Read 2 more answers
What is the smallest positive integer with exactly 14 positive divisors?
Pie
A number with exactly 14 divisors can be of one of the two following forms... 
<span>p^6 * q </span>
<span>OR </span>
<span>p^13 </span>
<span>where p and q are prime. </span>
<span>From here it should be obvious that the smallest such number is 2^6 * 3 = 192</span>
3 0
4 years ago
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