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lina2011 [118]
3 years ago
8

If 50 is 80% , then how many percent is 38 ?

Mathematics
1 answer:
Oksanka [162]3 years ago
4 0

Answer: 1.64

Step-by-step explanation:

80% = 50

20% = 12.5

100% = 62.5

38% = 1.64

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If f(x) = -(1/x^3) and x takes on successive values from -10 to 0.1 ,
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Alright, this one is a little interesting... Let's perform some tests to figure out what is happening:
f(-10) = -(1/(-10)^3) = -(1/-1000) = 1/1000  (positive)
f(-5) = -(1/(-5)^3) = -(1/-125) = 1/125 (positive, bigger than the last one)
f(-1) = -(1/(-1)^3) = -(1/-1) = 1 (positive, bigger than the last one)
f(-0.1) = -(1/(-0.1)^3) = -(1/-0.001) = 1/0.001 = 1000 (positive, bigger than the last one)
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f(1) = -(1/1^3) = -(1/1) = -1 (negative, but bigger than last one)

It's a little confusing with the undefined part at x = 0. What I can say is this, it is increasing from -10 up to 0, something weird happens at 0 and it resets, and starts increasing from 0 up to 0.1. 

I guess A would be the best answer?

3 0
3 years ago
How do i graph <br> y=-3/4x-1
Tasya [4]

Answer:

Start at -1 and go down 3 right 4,repeat. Then up 3 left 4 from -1, repeat.

Step-by-step explanation:

6 0
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Read 2 more answers
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Smart boy you beryyyy smarttt
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Show work for an opportunity to receive partial credit. Find the value of x.<br> 12 = - 4-6x-3)
masya89 [10]

Answer:

I will gladly let you have partial credit! I am putting two different ones because  I am not sure why the parenthesis is at the end. Just pick whichever one looks like the question you have. Hope this helps!

Step-by-step explanation:

  • 12 = -4-6x-3
  • 12 = -7-6x
  • 19 = -6x
  • x = -3.17

  • 12 = -4(-6x-3)
  • 12 = 24x+12
  • 0=24x
  • x=0
7 0
3 years ago
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