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Natalija [7]
3 years ago
10

I’ll mark brainlist if you help me get the right answer for this

Mathematics
2 answers:
marin [14]3 years ago
7 0

Answer:

I believe its 66, I'm not fully sure

zvonat [6]3 years ago
6 0

Answer: 16% of men wanted sports cars

Step-by-step explanation:

25% - 9% = 16%

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almond37 [142]

Hope this helps. Please mark brainliest if it did

Answer: 4536.46

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If f(x)=3x and g(x)=1/x what is the domain of (gof)(x)?
melomori [17]

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f=7x g=3   x=18

Step-by-step explanation:

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3 years ago
Help plz will give brainlyst​
fredd [130]

Answer will be no A I think that

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3 years ago
Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

  • 15%, 25% and 70%

final solution:

  • 52 l of 45%

This includes 0.45*52l= 23.4 l acid

Let's assume:

  • amount of 15% solution= x
  • amount of 25% solution= y
  • amount of 70% solution= z
  • and we have z=2y

so there are 2 equation:

  • x+y+z=52
  • 0.15x+0.25y+0.7z=23.4

or

  • x+y+2y= 52 ⇒ x+3y= 52 ⇒ x= 52- 3y
  • 0.15x+0.25y+1.4y=23.4
  • 0.15x+1.65y=23.4
  • 0.15*(52-3y)+1.65y=23.4
  • 7.8-0.45y+1.65y=23.4
  • 1.2y=23.4-7.8
  • 1.2y= 15.6
  • y=15.6/1.2
  • y= 13 l

--------

  • x= 52- 3*13= 13 l
  • z= 2y= 2*13= 26 l
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3 years ago
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Nikolay [14]

Answer:

f(12) = 9

x = 0 when f(x) = 5

Step-by-step explanation:

3 0
3 years ago
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