3 years ago

you accidentally dropped a coin from the top of 10 stairs. what is the probability that it will land on the 4th step facing up

1 answer:

3 0

Answer:

Step-by-step explanation:

1/10 * 1/4 = 1/14

1/2 because there is a 50/50% chance its either heads or tails

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ser-zykov [4K]

Answer: b and d

Step-by-step explanation:

Since the roots are x=2 and x=6, we can write the equation as

$f(x)=a(x-2)(x-6)$

Substituting in the coordinates of the vertex,

$-4=a(4-2)(4-6)\\\\-4=-4a\\\\a=1$

So, the equation is $f(x)=(x-2)(x-6)$

On expanding, we get $f(x)=x^2 - 8x+12$

3 0

2 years ago

Furkat [3]

8/28=4/14=2/7
2/7 is simplest form
Not 100% sure but hopefully this helps

5 0

3 years ago

Hitman42 [59]

18/35 is halfway between 3/5 and 5/7. Do you want me to explain or just the answer?

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3 years ago

KiRa [710]

I just told you the answer it is -5

8 0

3 years ago

strojnjashka [21]

Answer:

4 square root 5 is the answer

root(20*4)

2 × root(5×4)

4×root(5)

4 0

2 years ago