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Lena [83]
3 years ago
11

Solve the inequality 2(x-3)-5x<9

Mathematics
2 answers:
kvasek [131]3 years ago
6 0

Answer:

Step-by-step explanation:

2(x-3)-5x<9 expand left side

2x-6-5x<9. group like terms on left side

-3x-6<9. add 6 to each side

-3x<15. divide each side by -3 (reverse sign because of division by a negative)

x>-5

gayaneshka [121]3 years ago
5 0

Answer:

x > -5

Step-by-step explanation:

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HELP also if you don't know how to do it than don't add an answer it make me super mad.
dlinn [17]
H(17) = 17
Do you need help with the other 2?
4 0
3 years ago
the distance around a track is 400m. if you take 14 laps around the track what is the total distance you walk? use mental math
Olegator [25]

to do it in mental math: you can ignore the zeroes in 400 for now.

4*14 = 4*10 + 4*4 = 40 + 16 = 56

now add the zeroes back on: 5600m

6 0
3 years ago
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The length of the rectangle is 4cm less than its width . what are the dimensions of the rectangle if its area is 140
melomori [17]
Let the width of the rectangle be x
Then length =x-4
Area=x(x-4)=140
x²-4x=140
x²-4x-140=0
x²-14x+10x-140=0
x(x-14)+10(x-14)=0
(x-14)(x+10)=0
Therefore,length=14 cm and  width=10 cm

8 0
3 years ago
Use the diagram that awnser the questions.
CaHeK987 [17]
Part A
 The first thing we must do in this case is to hide the slopes of each line.
 line m:
 m = (- 4-3) / (0 - (- 4))
 m = -7 / 4
 Line n:
 n = (- 2-2) / (3-1)
 n = -4 / 2
 n = -2
 Answer:
 Lines m and n are not parallel because their slopes are different.

 Part B:
 
We look for the slope of the K line:
 k = (1 - (- 3)) / (4 - (- 3))
 k = 4/7
 We observe that it is true that:
 k = -1 / m
 Answer: 
 The lines are perpendicular.
8 0
3 years ago
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Need help on this please and thank you
Ede4ka [16]

Answer:

(1,9)

Step-by-step explanation:

4 0
3 years ago
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