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Komok [63]
3 years ago
14

I need help with math

Mathematics
1 answer:
sergey [27]3 years ago
4 0
Everyone needs help in math
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Find the oth term of the geometric sequence 9, -27, 81, ...
Novosadov [1.4K]
It would b 9 x (-3^(x-1))
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At summer camp there are 52 boys, 47 girls,and 18 adults.How many people are at summer camp?
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114 people I believe

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Two numbers are in the ratio 3:4 when 4 is added to each term their ratio becomes 10:13. Find the numbers.​
Alex17521 [72]
So there’s 2 steps to this. First we subtract what was added on both sides. 10-4 : 13-4 and we get 6:9. This ratio is true, but is not in simplest form, since both numbers are divisible by 3. So after dividing both sides by 3, the answer in simplest form will be 2:3. The correct answer is 2:3
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3 years ago
Polynomials are closed under the operation of addition. Which statement best explains the meaning of closure of polynomials unde
spayn [35]
Answer: The correct answer is the second choice: "When any two polynomials are added, the result is always a polynomial."

When a set of numbers is "closed" under an operation, it means that the resulting output answer is the same type as the input.

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You started with 2 polynomials and you ended with a polynomial.
7 0
3 years ago
Find the mean of x,2x,3x,4x,5x​
Tcecarenko [31]

Answer:

\displaystyle 3x

Step-by-step explanation:

Mean is equal to the sum of terms divided by the number of terms.

\displaystyle \frac{x+2x+3x+4x+5x}{5}

\displaystyle \frac{15x}{5}

\displaystyle 3x

4 0
3 years ago
Read 2 more answers
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