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sweet [91]
3 years ago
8

If a 50-inch flat-screen now costs $1200, what will it cost in three years?

Mathematics
1 answer:
Ainat [17]3 years ago
5 0
Twelve hundred times three equals 3600 so in 3 years it will cost 3600
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I NEED HELP PLEASE!!!
Levart [38]
<span>It looks like I could substitute the x=2y-1. Into 2x+y=3
2(2y-1)+y=3
4y-2+y=3
5y=5
y=1
x=2(1)-1
x=1
</span><span>  (1,1)
CHECK
2x+y=3
2(1)+(1)=3
2+1=3
3=3
Left hand side=Right hand side 
Check other equation 
x=2y-1
1=2(1)-1
1=1
</span><span>Therefore the solution is (1,1). Since the left hand side= right hand side in each equation</span>
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What is the first step in the construction of a line perpendicular to and passing through an external point M? Assume that the c
AVprozaik [17]

Answer:

A.)lPace the compass needle on M and, keeping the compass width the same, draw two arcs that intersect

Step-by-step explanation:

In the construction of a line perpendicular to AB←→ and passing through an external point M the first step must be"Place the compass needle on M and, keeping the compass width the same, draw two arcs that intersect AB←→". After that you can draw arcs from intersection points (keeping the compass width same as before) to the opposite side of M, name it as N than use straightedge to draw line passes through M and n that would be perpendicular line to AB.

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The predicted time remaining has decreased by 30 years, so the second one would be the answer
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