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RUDIKE [14]
3 years ago
14

Help meeeeee plzzzzzz asap Find the area of the shaded regions.​

Mathematics
1 answer:
muminat3 years ago
7 0

Area of a circle is PI x r^2

The radius of the large circle is shown as 8 m

The diameter of A is the radius of the large circle which is 8 m so the radius would be 4 m

The radius of the small circle would be 2m

Area of large circle = pi x 8^2 = 64pi = 200.96 square m

Area of middle circle = pi x 4^2 = 16pi = 50.24 square m.

Area of small circle = pi x 2^2 = 4pi = 12.56 square m.

The area of the shaded region = large - middle + small

Area = 64pi - 16pi + 4pi = p2pi square m or 200.96 -50.24 + 12.56 = 163.28 square m.

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multiply or divide and then simplify (x+1)^2/(x-5)*(x-3)/(x+1) 3x+3/2 divided by 4/9x+9 4a/3a-3*3(a-1)/16a x+2/x-1 divided by 5x
antoniya [11.8K]
\frac{(x+1)^2}{x-5}\cdot\frac{x-3}{x+1}=\frac{x+1}{x-5}\cdot\frac{x-3}{1}=\frac{(x+1)(x-3)}{x-5}=\frac{x^2-3x+x-3}{x-5}=\frac{x^2-2x-3}{x-5}\\\\D:x\neq5\ \wedge\ x\neq-1


\frac{3x+3}{2}:\frac{4}{9x+9}=\frac{3x+3}{2}\cdot\frac{9x+9}{4}=\frac{27x^2+27x+27x+27}{8}=\frac{27x^2+54x+27}{8}\\\\D:x\neq1


\frac{4a}{3a-3}\cdot\frac{3(a-1)}{16a}=\frac{1}{3a-3}\cdot\frac{3a-3}{4a}=\frac{1}{4a}\\\\D:a\neq1\ \wedge\ a\neq0


\frac{x+2}{x-1}:\frac{5x+10}{x-2}=\frac{x+2}{x-1}\cdot\frac{x-2}{5x+10}=\frac{x+2}{x-1}\cdot\frac{x-2}{5(x+2)}=\frac{1}{x-1}\cdot\frac{x-2}{5}=\frac{x-2}{5x-5}\\\\D:x\neq1\ \wedge\ x\neq2\ \wedge\ x\neq-2
5 0
3 years ago
Help with this question???
Serhud [2]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Pick any two sets of values

I will just select the first two:

(-2,-9) , (1,3)

First, you need to find the slope

slope = difference in y values / difference in x values

slope = (3-(-9)) / (1-(-2))

slope = 12 / 3

slope = 4

Substitute the slope into the general equation of a line form with one of the coordinates:

3 = 4(1) + c

3 = 4 + c

c = -1

The equation would be y = 4x - 1

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0
3 years ago
A shopper buys notebooks for $15, what is the total cost if the tax is 8%
zloy xaker [14]

Answer:

16.2$

Step-by-step explanation:

Price of the notebooks: 15$

Tax Rate: 8%

Tax: 15$ * 8% = 1.2$

Price after Tax: 15$ + 1.2$ = 16.2$

4 0
3 years ago
HELP PLEASE!
Inessa05 [86]

Answer:

3(6)(4) = 72 cm

Step-by-step explanation:

The volume of a rectangular prism = Length * Width * Height

Substitute your values into the equation and solve for V

V = 3 * 6 * 4

V = 72 cm^{2}

7 0
3 years ago
Read 2 more answers
Is it bad to have a math assignment you don't get?
BlackZzzverrR [31]

Answer:

Yes, if yo get an assignment that you don't get, ask the teacher to explain it to you.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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