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Arada [10]
3 years ago
9

One line passes through the points (-7,5)

Mathematics
1 answer:
Studentka2010 [4]3 years ago
7 0

Answer:

1. (-7, 5 ) and (-1, 3)

(3-5)/(-1+7)= -2/6 = -1/3

y - 5 = (-1/3)(x + 7)

y - 5 = (-1/3)x - 7/3

y - 15/3= (-1/3)x - 7/3

y = (-1/3)x + 8/3

2. (-1-3)/(3-0)= -4/3

y + 3 = (-4/3)(x + 1)

y + 3 = (-4/3)x - 4/3

y + 9/3 = (-4/3)x - 4/3

y = (-4/3)x + 5/3

the answer is neither

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1.2x + 3.4 = 10.6
subtract 3.4 from each side
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divide each side by 1.2
x = 6
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hram777 [196]

Answer:

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In trying to calculate the product of 5 and 12 in her head, Evie first multiplied 5 times 10 and then added the result to the pr
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Step-by-step explanation:

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3 years ago
Find the 5th term of the sequence in which T1=8 and Tn=3t n-1
yan [13]
T_n = 3 * T_(n-1)

Long way (always works!)
T_5 = 3*T_4,
T_4 = 3*T_3
T_3 = 3*T_2
T_2 = 3*T_1

T_5 = 3*3*3*3*T_1 = 81*T_1 = 81*8 = 648!

Short way (sometimes it works!)

T_n = 3^(n-1) * T_1 (this case is a geometric series of ratio-=3)
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6 0
3 years ago
Sara weight 25 pound-more than amber if together they weight 205 what is the weight of sara ??
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Let Sara weight =x+25
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x+25+x=205
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