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Kipish [7]
3 years ago
9

Y+2=-3(x-4) what’s the missing value? (_,-2)

Mathematics
1 answer:
Serggg [28]3 years ago
5 0

Answer:

12

Step-by-step explanation:

Distrubute (y +2 = -3x + 12)

subtract 2 on both sides ( y +2 = -3x + 12 )

                                              -2             -2

conbine like terms (y = -3x + 10)

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What is the sum if the first 22 terms of the following series? 86 + 79 + 72 + 65 +58+...
Arturiano [62]
Seems to be an arythmetic sequence
Sn=[n(a1+an)]/2
where
Sn means sum of all terms up the nth term
n=number of terms
a1=first term
an=nth term

so from 86 to the 22th term is from a1 to a22

find teh sequence
miknus 7 each time
an=a1+d(n-1)
an=87-7(n-1)
find 22n term
a22=87-7(22-1)
a22=87-7(21)
a22=87-147
a22=-60

S22=[22(87-60)]/2
S22=[22(27)]/2
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the sum is 297

5 0
3 years ago
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DaniilM [7]
They would each have to pay 1,500 dollars to purchased the house
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2 years ago
How to find slope and y intercept from the equation ax+by=c?
melisa1 [442]

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ax + by = c

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Find two unit vectors orthogonal to both given vectors. i j k, 4i k
Maurinko [17]
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Normalize this vector by dividing it by its norm:

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To get another vector orthogonal to the first two, you can just change the sign and use -\mathbf v.
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