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spayn [35]
3 years ago
7

Find the area use 3.14 for pi

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

Answer:

15.14 cm^2

Step-by-step explanation:

Area of rectangle = 4cm x 3 cm = 12cm^2

Radius of the circle = 2 cm

Area of 1/4 of a circle = (pi x r^2) / 4

= (3.14 x 4) / 4 = 3.14 cm^2

3.14 cm^2 + 12cm^2 = 15.14 cm^2

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The standard form of a circle is (x-h) ^{2} +(y-k) ^{2} = r^{2} where h and k are the center and x and y are the coordinates you're given.  We need to solve for the radius to finish this off correctly.  Filling in, we have (5-0) ^{2} +(-4-0) ^{2} = r^{2} and 25+16= r^{2}, giving us that r^{2}=41.  Therefore, our equation is x^{2} + y^{2} =41
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3 years ago
Whats the volume of the cylinder? Round your answer to the nearest hundred the top is B the left side of the cylinder is 13cm th
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Answer:

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Step-by-step explanation:

Given that,

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3 years ago
7.2 - 3 C equals 2 c - 2
dolphi86 [110]

Answer:

9.2/5= C

Step-by-step explanation:

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9.2 = 5C                Finally divide both sides by 5 to find the value of C

9.2/5= 5C/5

9.2/5 = C     by dividing by 5 the 5 cancels out and you're left with the C value

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15/35

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