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3 years ago

Is this correct?? :)

Mathematics

1 answer:

dimaraw [331]3 years ago

6 0

No it not correct because you had forgot to divide +5 form -2 and that will give you it will be 2.5 but in fraction form it will be -2 1/2

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Eights rooks are placed randomly on a chess board. What is the probability that none of the rooks can capture any of the other r

lbvjy [14]

Answer:

$4.51\times10^{-10}$

Step-by-step explanation:

There are only 2 solutions for none of the rooks can capture any of the other rooks: only if they are laid out in either of the 2 diagonal of the chess board

The number of possible combination for the rock to laid out in 8x8 (64 slots) chess board

$\frac{64 * 63 * 62 * 61 * 60 * 59 * 58 * 57}{8!} = \frac{1.78\times10^{14}}{40320} = 4426165368$ possible combination

So the probability is pretty thin

$P = 2 / 4426165368 = 4.51\times10^{-10}$

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4 years ago

The value -2 is a lower bound for the zeros of the function shown below.

MakcuM [25]

Answer: true

Step-by-step explanation:

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4 years ago

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Rudik [331]

Answer:

23,030

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3 years ago

Plzzzzzzzzzzzzzzzzzz need help

vlada-n [284]

Answer: A

Step-by-step explanation:

$4x+4y=20$

We need to get this form: $y=mx+b$

we need to begin by isolating y on the left side. To do this, we must subtract 4x.

$4y=20-4x$

Rewrite it so that we get this form: $y=mx+b$

$4y=-4x+20$

Since y needs to be completely isolated, divide by 4.

$y=-\frac{4x}{4} +\frac{20}{5}$

Divide;

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3 years ago

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How far can freddy drive in 8 hours at an average speed of 50 miles per hour ?

Zina [86]

Answer:

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Step-by-step explanation:

Distance = rate * time

Distance = 50 miles per hour * 8 hours

Distance = 400 miles

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3 years ago

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