3 years ago

A girl having two siblings is chosen at random. What is the probabilty that she has no sisters?

1 answer:

Vlad [161]3 years ago

3 0

Answer:

50%

Step-by-step explanation:

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ArbitrLikvidat [17]

Answer:

6 feet

Step-by-step explanation:

(24+x)(16+x)=660

384+24x+16x+x²=660

x²+40x-276=0

x`= 6

x```= -46......no serve

Answer......is 6 feet

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3 years ago

nirvana33 [79]

I'm guessing Q lol. I hope that's helpful.

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liberstina [14]

it's either a or b, not sure but I think it's b

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3 years ago

Orlov [11]

Answer:

$\large\boxed{(-2z^2-14)-(-12z^2)=10z^2-14}$

Step-by-step explanation:

$(-2z^2-14)-(-12z^2)=-2z^2-14+12z^2\qquad\text{combine like terms}\\\\=(-2z^2+12z^2)-14=10z^2-14$

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4 years ago

sergij07 [2.7K]

Answer:

2:7

Step-by-step explanation:

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3 years ago