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3 years ago

7.385 rounded to the nearest tenth

Mathematics

2 answers:

Lana71 [14]3 years ago

3 0

Answer:

10 lol..................

Leni [432]3 years ago

3 0

Answer:

It should be 7.4

Step-by-step explanation:

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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

Gas prices went up this week from $4.00 a gallon to $4.20. what is the percent increase of the price?

lutik1710 [3]

4.20 divided by 4.00= 1.05
turn decimal into percentage by times 100
1.05 times 100= 105%

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4 years ago

The cost of kg of apples is $262.50. find the cost of 25 kg of apples

SashulF [63]

Answer:

Step-by-step explanation:

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2 years ago

Write -41.27 as a mixed number.

Salsk061 [2.6K]

Answer:

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Step-by-step explanation:

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3 years ago

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