An equation ___has one solution. alwa sometimes never

Mathematics

1 answer:

Kryger [21]3 years ago

5 0

Answer: Sometimes

Step-by-step explanation: An equation sometimes has one solution. There are some equations where their is no solution. An example of this would be x = x-1 There is no solution for this equation. There are also times when an equation has an infinite amount of solutions. An example is x=x no matter how many values you put in, all will be true.

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Find an equation of the line that passes through the points (3,-2) and (-7,6).

Ulleksa [173]

Answer:

y = -4/5x + 2/5

Step-by-step explanation:

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2 years ago

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A box has 1 red marble, 3 blue marbles, and 4 green marbles. Maya draws a blue marble randomly from the box, replaces it, and th

allochka39001 [22]

Answer:

$\dfrac{9}{64}$

Step-by-step explanation:

Sampling with replacement means that we choose a marble, note its colour, put it back and shake the box, then choose a marble again.

There are $1+3+4=8$ marbles in total. The probability that the first chosen marble is blue is $\dfrac{3}{8}.$ then Maya replaces this marble and the probability of choosing the second blue marble is the same. Using the product rule, the probability of drawing 2 blue marbles in a row is