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Harlamova29_29 [7]

2 years ago

10

A geyser erupts every fourth day. Another geyser erupts every sixth day. Today both geysers erupted. In how many days will both

geysers erupt on the same day again?
pls help meh

pwease

please

1 answer:

dimulka [17.4K]2 years ago

6 0

Answer:

48

Step-by-step explanation:

Fourth day, sixth day, both geysers erupted

4 × 6 × 2 = 48

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First option: $3x^2-5x=-8$

Second option: $2x^2=6x-5$

Fourth option: $-x^2-10x=34$

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1) For $3x^2-5x=-8$ :

$3x^2-5x+8=0$

Then:

$D=(-5)^2-4(3)(8)=-71$

Since $D$ this equation has no real solutions, but has two complex solutions.

2) For $2x^2=6x-5$ :

$2x^2-6x+5=0$

Then:

$D=(-6)^2-4(2)(5)=-4$

Since $D$ this equation has no real solutions, but has two complex solutions.

3) For $12x=9x^2+4$ :

$9x^2-12x+4=0$

Then:

$D=(-12)^2-4(9)(4)=0$

Since $D=0$ this equation has one real solution.

4) For $-x^2-10x=34$ :

$-x^2-10x-34=0$

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Since $D$ , this equation has no real solutions, but has two complex solutions.

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