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Nikitich [7]
3 years ago
9

Given that Sn = 1a + (n-1)d1

Mathematics
2 answers:
makvit [3.9K]3 years ago
5 0

Answer:

Step-by-step explanation:

Sn = a + (n-1)d

Sn = 3 + (10-1)*d

Sn = 3 + 9d

3 + 9d = Sn

9d = Sn - 3

d = (Sn - 3)/9

Ivanshal [37]3 years ago
4 0

Answer:

d = (sn - 3)/9

Step-by-step explanation:

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Refer to the number line. Find the coordinate of point D that is 7/16 M to J. of the distance from M to J.​
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The coordinate of point D that divides segment MJ in the ratio 7/16 is (13, 8)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.

Let us assume that point M is at (20, 1) and point J is at (4, 17), hence:

If point D(x, y) is 7/16 M to J, then:

x = (7/16)(4 - 20) + 20 = 13

y = (7/16)(17 - 1) + 1 = 8

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2 years ago
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