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Sloan [31]
3 years ago
13

Salvador has saved 130 sand dollars and wants to give them away equally to n friends. Write an expression to

Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0
The Equation Could Be:
E = Amount Each Freind Will Get
N = Friends.
130/n = E

130/10 = E

130/10 = 13

13 = E

Each Friend Will Get 13 Dollars.
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17, 13, 9,5...<br> determine the sequence
ValentinkaMS [17]

This is an arithmetic sequence because we are adding the same amount each time. In this case, we are adding -4 to each term to get the next term

17 + (-4) = 13

13 + (-4) = 9

9 + (-4) = 5

and so on. The starting term is a_1 = 17

The common difference is d = -4

The nth term of the arithmetic sequence can be found by this formula

a_n = a_1 + d(n-1)\\\\a_n = 17 + (-4)(n-1)\\\\a_n = 17 - 4n + 4\\\\a_n = -4n+21

For instance, if n = 2, then,

a_n = -4n+21\\\\a_2 = -4(2)+21\\\\a_2 = -8+21\\\\a_2 = 13

which matches up with the second term listed.

4 0
3 years ago
Read 2 more answers
Which of the following is an equation of the line that crosses through (-3,4) and (3,6)?
Mama L [17]

Answer:

y=(1/3)x+5

Step-by-step explanation:

Slope-intercept: y=mx+b

m=((y2-y1)/(x2-x1)) = (6-4)/(3+3)= 2/6= (1/3)

y=(1/3)x+b

plug in one of the points (3,6)

6=(1/3)(3)+b

6=1+b    5=b

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Answer:

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Step-by-step explanation:

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Two factors of 18 add up to 12. What are they?
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Answer:

3 and 9

Step-by-step explanation:

The factors of 18 can be listed as

1, 2, <u>3</u>, 6, <u>9</u>, 18

The two which sum to 12 are 3 and 9

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