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svet-max [94.6K]
3 years ago
10

What is the value of x?

Mathematics
1 answer:
irina [24]3 years ago
3 0
X= -10

3x-8 = 8x+4/2
Multiply both sides by 2

6x-16 = 8x+4
Move terms

6x-8x = 4+16

-2x=20
Divide both sides by -2

And

X= -10
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Line F passes through the points (7, 13) and (9, -3). What is the slope of a line parallel to line F?
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A group of 15 people are going to run a race. The top 8 will advance to the finals. Determine if the situation is a permutation
LUCKY_DIMON [66]

For the given situation we have a total of 259,459,200 permutations.

<h3>How many permutations are?</h3>

First, how we know that it is a permutation?

Because the order matters, we aren't only selecting 8 out of the 15 people, but these 8 selected also have an order (is not the same thing to finish the race first than fourth, for example).

Then we need to find the number of permutations, to do it, we need to find the numbers of options for each of the 8 positions.

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Then the total number of permutations (product between the numbers of options) is:

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8 0
2 years ago
I need help on this.​
ale4655 [162]

Answer:

the x should be 10x7-(9x6)

Step-by-step explanation:

because it should be 10x7-(4+30)

3 0
3 years ago
Read 2 more answers
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Leviafan [203]

Answer:

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Step-by-step explanation:

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