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ivanzaharov [21]

3 years ago

13

A woman is now 30 years older than her son. 15 years ago, she was twice as old. What are the present ages of the woman and her s

on?

1 answer:

Paladinen [302]3 years ago

8 0

Answer:

75 and 45

Step-by-step explanation:

woman's age= w

son's age= s

--------------

w=s+30
w-15=(s-15)*2 ⇒ w-15=2s-30 ⇒ w=2s- 15

comparing the two above:

s+30=2s-15 ⇒ s= 45 ⇒ w= 75

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Answer:

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Step-by-step explanation:

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Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all

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Answer:

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Binomial probability distribution

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And p is the probability of X happening.

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3 years ago

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3 years ago

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25 degree angle is the same as x

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