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Elodia [21]
3 years ago
13

4(-x+4) =12 solve for x

Mathematics
1 answer:
VashaNatasha [74]3 years ago
4 0

Answer: x=1

Step-by-step explanation:

   4 (-x+4)=12

 (-4x+16)=12

  -4x+16-16  =12-16

         -4x/-4 =-4/-4

                  x=1

I don't know if this is right, please let me know if it is wrong ο(=•ω<=)ρ⌒☆

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A triangle as a height of 18 cm and a base of 3.5 cm what is the area of the triangle
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31.5

Step-by-step explanation:

The area of a triangle is 1/2 * b * h

so base times height times one half

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For which values of x is the expression undefined?
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-3, -6

Step-by-step explanation:

Any number of x that makes the bottom 0 makes the expression undefined.

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2 years ago
Which pair of numbers have a greatest common factor of 2? Select each correct answer. 6 and 12 4 and 6 2 and 24 10 and 2
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An urn contains 13 red marbles and 11 blue marbles. 12 marbles are chosen at random. What is the probability that 7 red marbles
algol13

The probability of selecting or choosing seven marbles is 0.29.

Let E be the event of choosing seven red marbles.

According to the given.

Total number of balls in an urn = 13 + 11 = 24

Total number of red marbles = 13

Total number of blue marbles = 12

Now, the total number of ways of selecting 12 marbles from 24 = ^{24} C_{12}

And the number of ways of selecting 7 red marbles = ^{13} C_{7} \times ^{11} C_{5}

As, we know that, the probability of any event can be calculated as by taking the ratio of favroble outcomes to the total number of outcomes.

Therefore, the probability of selecting or choosing seven marbles is given by

P(E) = \frac{^{13}C_{7}\times\ ^{11} C_{5}   }{^{24} C_{12} }

⇒ P(E) = \frac{\frac{13!\times11!}{7!\times6!\times 5!\times6! } }{\frac{24!}{12!12!} }

⇒ P(E) =  792792/2704156

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Hence, the probability of selecting or choosing seven marbles is 0.29.

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brainly.com/question/11234923

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