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3 years ago

What are some ratios that are equivalent to 5/7

Mathematics

2 answers:

lesya692 [45]3 years ago

5 0

10/14, 15/21, 20/28, 25/35

Just multiply numerator and denominator by the same number

iogann1982 [59]3 years ago

3 0

Answer:

15:21

Step-by-step explanation:

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Find the area of the shape

Annette [7]

Answer:

36 + 36 = 72

Step-by-step explanation:

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3 years ago

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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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3 years ago

Find the circumference of the circle. PLEASE HELP I HAVE 5 MINUTES LEFT :(

Ipatiy [6.2K]

Answer:

18.84

Step-by-step explanation:

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3 years ago

Will give brainliest

madam [21]

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Pick one thing about the U.S. Constitution including its amendments that you think should be changed. What modifications that you would make? Explain your reasons for making this change. Please write a 5 paragraph essay that details the changes

3 0

2 years ago

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The radius of a circle is 14 meters. What is the circle circumference

seropon [69]

Step-by-step explanation:

HERE,

redius of a circle (r)=14 meters.

we know that,

$\boxed{\red{\sf{circle~ circumference=2\times \pi \times r }}}$

According to the question, 

circle circumference=

$\tt{2\times \pi \times 14 }$

$\tt{2 \times \dfrac{22}{7} \times 14 }$

$\tt{2 \times \dfrac{22}{\cancel{7}} \times \cancel{14}}$

$\tt{2\times 22 \times 2 }$

$\tt{ 88~meters }$

so, the circumference of that circle is 88 meters.

5 0

2 years ago