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USPshnik [31]
3 years ago
8

ABC plotted at A(-4,2),B(-7,2),C(-7,7), is to be translated according to the rule (x,y) (x+10,y-8).

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

I believe this question ask for the new points after translation. Denoting the point with a ‘ symbol after translation:

A’ = (-4 + 10, 2 – 8) = (6, -6)

B’ = (-7 + 10, 2 – 8) = (3, -6)

<span>C’ = (-7 + 10, 7 – 8) = (3, -1)</span>

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What is x and y of 5x+4y=8
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Step-by-step explanation:

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"Find the sum of the first 50 term in this sequence 4, 7, 10, 13, ...". How do i do this without writing them all out, and how d
melisa1 [442]
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derivation of the formula for the sum of n terms
Progression, S
S=a1+a2+a3+a4+...+an

S=a1+(a1+d)+(a1+2d)+(a1+3d)+...+[a1+(n−1)d]   →   Equation (1)

S=an+an−1+an−2+an−3+...+a1

S=an+(an−d)+(an−2d)+(an−3d)+...+[an−(n−1)d]   →   Equation (2)

Add Equations (1) and (2)
2S=(a1+an)+(a1+an)+(a1+an)+(a1+an)+...+(a1+an)

2S=n(a1+an)
S=n/2(a1+an)

Substitute an = a1 + (n - 1)d to the above equation, we have
S=n/2{a1+[a1+(n−1)d]}
S=n/2[2a1+(n−1)d]
5 0
3 years ago
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