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3 years ago

Is 125 over 6 and extraneous solution?

Mathematics

2 answers:

alisha [4.7K]3 years ago

8 0

Answer:

yes it is

Step-by-step explanation:

why because if you divide and then subtracted what you got that would be the answer

there you go have a good day

nydimaria [60]3 years ago

5 0

Answer: Yes it is

Step-by-step explanation:

It is to big of a equation and it can easily be simplified

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Solve for X ???????????

mario62 [17]

$5(x+1)\leq5x+3\\\\
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5\leq4$

So <u>no solution</u>

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3 years ago

Espano

nikitadnepr [17]

Answer:

The time at which the two trains will meet is 1 hour and 24 minutes

Step-by-step explanation:

The distances between the two trains = 196 miles

The direction of the two trains = Towards each other

The speed of one of the trains = 80 miles per hour

The speed of the other train = 60 miles per hour

Let 't' represent the time at which the two trains meet, we have;

80·t + 60·t = 196

∴ 140·t = 196

t = 196/140 = 7/5

The time at which the two trains will meet, t = 7/5 hours = 1.4 hours = 1 hour, 24 minutes.

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3 years ago

(-4) x 5 + (-6)

Svetllana [295]

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3 years ago

For a group of 100 people, compute(a) the expected number of days of the year that are birthdays of exactly 3 people.(b) the exp

Scilla [17]

Answer:

Step-by-step explanation:

Leaving leap years, a year contains 365 days.

For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of

$\frac{1}{365}$

a) Probability that exactly 3 people have same birthday = $\frac{1}{365^3}$

Each day is independent of the other

And hence no of days having exactly 3 persons birthday out of 100 persons is binomial with n = 365 and p = $\frac{1}{365^3}$

Expected value of days = np = $\frac{1}{365^2}$

b) Distinct birthdays is binomail with p =1/365 and n = 365

Hence

expected value = np =1

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4 years ago

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Vinvika [58]

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4 years ago

Read 2 more answers