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sertanlavr [38]
3 years ago
10

Solve the equation.8(4-x) = 7x + 2​

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0

Answer:

x = 2.

Step-by-step explanation:

8(4-x) = 7x + 2​

32 - 8x = 7x + 2

32 - 2 =  7x + 8x

15x = 30

x =2.

GalinKa [24]3 years ago
7 0
32-8x = 7x + 2

32= 15x + 2

30= 15x

X= 2

Hope this helps!
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Step-by-step explanation:

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Suppose P(E) = 81%; P(E and F) = 9%; and P(E or F) = 65%,
PIT_PIT [208]

Using Venn probabilities, it is found that P(F) = -0.07, which is not a probability, as it is a negative value.

------------------

  • We have two events, E and F.
  • Their probabilities are: P(E) = 0.81, P(E \cap F) = 0.09, P(E \cup F) = 0.65
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P(E \cap F) = P(E) + P(F) - P(E \cup F)

  • Replacing into the equation, we can find P(F).

0.09 = 0.81 + P(F) - 0.65

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P(F) = -0.07

P(F) = -0.07, which is not a probability, as it is a negative value.

A similar problem is given at brainly.com/question/21421475

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3 years ago
Th sum of three numbers is 64. The second number is 3 more than the first. The third number is
ladessa [460]
<span>Three numbers can be defined as x, y, and z.
x + y + z = 64
y = x+3
z = 2x - 11
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substitute for y and z
x + (x+3) + (2x-11) = 64
4x -8 = 64
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x = 18
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y = x+3 = 21
z = 2x -11 = 2(18) -11 = 36-11 = 25
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x + y + z = 18 + 21 + 25 = 64
Correct.
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Answer: The three numbers are 18, 21, and 25.</span>
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AleksAgata [21]
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