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Aneli [31]
2 years ago
15

Can you put 2x-y=7 into y equals

Mathematics
2 answers:
Keith_Richards [23]2 years ago
3 0
Subtract 7 from both sides 2x-y-7=0

Then add y to both sides 2x-7=y
Andrej [43]2 years ago
3 0

Answer:

y = 2x - 7

Step-by-step explanation:

Step 1: Subtract 2x from both sides.

  • 2x - y - 2x = 7 - 2x
  • -y = -2x + 7

Step 2: Divide both sides by -1.

  • -y/-1 = (-2x + 7)/-1
  • y = 2x - 7
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Answer:

The probability that a fish caught by a fisherman is between 0.25 feet and 2 feet long is 0.4375.

Step-by-step explanation:

The probability density function or p.d.f. for the length <em>x,</em> in feet, of some type of fish caught by sport fishermen is :

p(x) = \left \{{{(\frac{1}{4})\ ;\  0\leq x\leq 4 } \atop{0\ ;\ otherwise} \right.

The probability that a fish caught by a fisherman is between 0.25 feet and 2 feet long is:

P(0.25\leq X\leq 2)=\int\limits^{0.25}_{2} {(\frac{1}{4})} \, dx \\=|(\frac{1}{4})x|^{2}_{0.25}\\=(\frac{1}{4})(2-0.25)\\=0.4375

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3 years ago
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