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3 years ago

If a circumference of a circle is 10 inches, then determine the area of the circle.

Mathematics

2 answers:

Harman [31]3 years ago

8 0

The area is approximately 7.96 inches

kirill [66]3 years ago

4 0

7.96 inches I think. Revise bcuz idk for sure

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Question 13 (Essay Worth 8 points)

mixer [17]

9514 1404 393

Answer:

geometric sequence

Step-by-step explanation:

The terms of the sequence have a common ratio of -12/3 = -4, so the sequence is geometric. The general term is ...

an = 3(-4)^(n-1)

so the sum can be written as ...

$\displaystyle\sum_{n=0}^\infty3(-4)^n$

(Note the summation starts at n=0, corresponding to a first term of 3.)

3 0

2 years ago

I need help on these two questions

Marina86 [1]

Answer:

1. $60 2. $233.20

Step-by-step explanation:

That is the answer

4 0

2 years ago

Yuki bought a drop–leaf kitchen table. The rectangular part of the table is a 2–by–3–foot rectangle with a semicircle at each en

shusha [124]

Answer:

$(a)\ Area = 13.0695$

$(b)\ Area = 26.139$

Step-by-step explanation:

Given

The attached image

Solving (a): The area (one side up)

This is calculated as:

Area= Area of semicircle + Area of rectangle

So, we have:

$Area = \pi r^2 + l *w$

Where:

$l,w =2,3$ --- the rectangle dimension

$d = 3$ --- the diameter of the semicircle

So, we have:

$Area = \pi * (3/2)^2 + 2 * 3$

$Area = \pi * 2.25 + 6$

$Area = 2.25\pi + 6$

$Area = 2.25*3.142 + 6$

$Area = 13.0695$

Solving (b): Area when both leaves are up.

Simply multiply the area in (a) by 2

$Area = 2 * 13.0695$

$Area = 26.139$

8 0

3 years ago

A rectangular garden has length and width as given by the expressions below. Length: 4 − 7(3x + 4y) Width: 3x(−2y) Write a simpl

liraira [26]

Answer:

Step-by-step explanation:

Length of the garden = 4 - 21*x - 28*y

Width of the garden = -6*x*y

Perimeter of the garden = 2*(Length + Width)

P = 8 - 42*x - 56*y - 12*x*y

4 0

2 years ago

Factoring 64x^3 - 8=0

Mariulka [41]

8(8x64^2-1) factorises the lhs.
how it's equal to zero is beyond me

5 0

3 years ago

Read 2 more answers