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4 years ago

Find the area of the rhombus. Please need help

Mathematics

1 answer:

Masja [62]4 years ago

8 0

13+13 (because there are two sides of one triangle that both equal 13) then with that answer multiply by 10 (because 10 is the base) and that is the area of one triangle, then multiply the area of one triangle by 2 (because there’s two triangles)

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gulaghasi [49]

Answer:

a) 0.9999

b)0.0001

Step-by-step explanation:

Given that probability of failure is 0.0001

Then;

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b)To find the probability of an event occurring at least once it will be the complement of the probability of the event never occurring.

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3 years ago

A person on a moving sidewalk 21 feet in 7 senconds the moving sidewalk has a lenght of 180 feet. How long will it take to move

aliina [53]

Answer:

He will take 60 seconds to move from one end of the sidewalk to other.

Step-by-step explanation:

Given:

A person on a moving sidewalk,

21 feet in 7 seconds

Then 180 feet

To Find:

Total time =?

Solution:

Speed:

Speed is defined as the rate of distance covered in per unit time.

It is given as

$\textrm{Speed }=\dfrac{\textrm{Distance}}{Time}$

Substituting the given values we get

$\textrm{Speed }=\dfrac{21}{7}=3\ m/s$

Now, With this speed if he walk 180 feet then the time is

$\textrm{Time}=\dfrac{\textrm{Distance}}{Speed}$

Substituting Speed and Distance we get

$\textrm{Time}=\dfrac{180}{3}=60\\\\Time=60\ s$

He will take 60 seconds to move from one end of the sidewalk to other.

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3 years ago

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Elden [556K]

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3 years ago

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