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qwelly [4]
3 years ago
7

I need help with 17, 19, 21, and 23.

Mathematics
2 answers:
Evgen [1.6K]3 years ago
7 0
17. 2x<16 x=7 or lower
All I can help you with is #17,
sorry that I can't answer the other 3.
I hope this helped! :-)
RUDIKE [14]3 years ago
3 0
17) Let, the number = x
  It would be: 2x ≥ 16
  Divide both sides by 2, 
  2x/2 ≥ 16
   x ≥ 8

19) Let, the number = x
  5 < x/3 - 11 < 10
 Add 11 to each side, 
 16 < x/3 < 21
Multiply 3 to the each side, 
 48 < x < 63

21) It would be: 1/0.06 < x< 1/0.02
 [ 1 m = 100 cm] so, [6cm = 0.06 m & 2m = 0.02 cm]
 17 < x < 50

23) Let, that number of books = x
It would be: 30 + 1.5x = 60
Subtract 30 from both sides,
1.5x = 30
Divide by 1.5,
x = 20
[Final Answers are in bold letters ]

Hope this helps!
 
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Sladkaya [172]

Answer:

0

Step-by-step explanation:

3x + 2 = 4

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2 = 3x

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8 0
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6(y + 7) = 2(y - 3)<br> What is the answer ?
andrew11 [14]

Answer:

Y= -12

Step-by-step explanation:

6(y + 7) = 2(y - 3)

6y+42=2y-6

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7 0
3 years ago
The sum of two even consecutive integers is 46 find the intergers
Anarel [89]

Answer:

First number = 22

Second number = 24

Step-by-step explanation:

Let the first number = x

Let the second number = x + 2

According to the question ,

The sum of two even consecutive ingers = 46.

so,

x +  x + 2  = 46

2x + 2 = 46

2x = 46 - 2

2x = 44

x = 44 / 2

x = 22

∴ FIRST NUMBER = X

                              = 22

  SECOND NUMBER = X + 2

                                   = 22 + 2

                                   = 24.

4 0
3 years ago
What has the sum of 20 but the difference is 8?
arlik [135]
X + y = 20---- 1
x - y = 8----- 2

From 1+2
2x = 28
x = 14
Substitute x in eq.2
14 -y = 8
y = 6

Ans : x= 14 , y= 6
6 0
3 years ago
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