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3 years ago

What is 42 divided by 7

Mathematics

2 answers:

Zinaida [17]3 years ago

4 0

42 divided by 7 is is 6 hope this helps

Elan Coil [88]3 years ago

3 0

42 divided by 7 is 6

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Our class has 50 students. Assuming that no students are born on leap days (February29), what is the probability that no two stu

madreJ [45]

Answer: a) $\dfrac{799}{31250}$ b) $\dfrac{30451}{31250}$

Step-by-step explanation:

Since we have given that

Number of days in a year = 365

Number of students = 50

Probability that no two students share the same birthday. It means each student has different birthday.

Probability(no two students share the same birthday) $=\dfrac{365-1}{365}\times \dfrac{365-2}{365}........\times \dfrac{365-50}{365}$

Probability(no two students share the same birthday) $=\dfrac{^{365}P_{50}}{365^{50}}$

Probability(no two students share the same birthday) $=\dfrac{799}{31250}\approx 0.025568$

Probability that at least one of the students has the same birthday as another student in the class is given by

$1-P(\text{no student share the same birthday})\\\\=1-\dfrac{799}{31250}\\\\=\dfrac{30451}{31250}=0.974432$

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4 years ago

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Ipatiy [6.2K]

Answer:

Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

5, one fifth, negative one fifth or 5, How do i solve this?

Elza [17]

Answer:

$k = \frac{4}{5}$

Step-by-step explanation:

We know from the graph

$g(x) = - \frac{1}{5}$

and

$f(x) = 1$

using the given equation we can solve

$- \frac{1}{5} = k - 1 \\$

subtract 1 from both sides so that k is isolated

$\frac{4}{5} = k$

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3 years ago

What is the domain of the function y= sqaure root of x ? HELP PLEASEIM TIMED

Ksju [112]

Answer:

The domain is [0, ∞)

Step-by-step explanation:

y = √x

The domain is all values of x that make the expression defined.

so the function is defined for all positive numbers.

So domain is [0, ∞)

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4 years ago

Karim purchased a square pyramid glass paperweight as a souvenir on his trip to Oman. The paperweight has a base with a side len

erica [24]

Step-by-step explanation:

the explanation is in the image

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2 years ago