2 years ago

I need help with 7th grade math please 45 points need help ASAP + brainleist

Mathematics

2 answers:

Vlada [557]2 years ago

8 0

Answer:

Step-by-step explanation:

Perimeter :

2(21) + 14 + 3.14 x 7
42 + 14 + 21.98
56 + 21.98
<u>77.98 ft</u>

igor_vitrenko [27]2 years ago

3 0

Answer:

Area = 601.8760801 ft^2

Step-by-step explanation:

Area of Rectangle: Area = Length* Height

Area of a Semi-Circle = π*r^2 /2

Area of Rectangle: Area = 14 * 21 = 294 ft^2

Area of a Semi-Circle = π * 14^2 / 2 = π * 196/2 = π * 98 ft^2

Add the Two Area: 294 ft^2 + 98π ft^2 = 601.8760801 ft^2

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Valentin [98]

Answer:

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Step-by-step explanation:

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7 0

3 years ago

Three married couples go to a movie theater. if they sit together in a row of 6 empty seats, find the probability that each woma

Ganezh [65]

Given are three married couples.

So, let us assume there are 3 men and 3 women

They are sitting in a row of 6 empty seats

There is a definite order constraint that each woman will sit left to her husband. The first woman gets 3 options to choose from 3 available seats. The second woman has two options left as already one seat is filled by the first woman. The last woman has one option left. So, it is $3*2*1$