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leva [86]
3 years ago
5

one circular table has a diameter of 8ft, and another circular table has a diameter of 12ft. how much greater is the area of the

larger table? Round to the nearest whole number. about 31ft2 about 6ft2 about 13ft2 about 63ft2
Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer: 63 ft^2

Step-by-step explanation:

the formula for the area of a circle is A = π r ^2. the radius (r) is 1/2 of the diameter.

first, we'll plug in the radius of table #1 into the equation (A = π 4 ^2) and get an answer of 50.27 ft^2. then plug in radius of table #2 (A = π 6 ^2) and get 113.1 ft^2. now find the difference of the areas by subtracting (113.1 - 50.27) to get an answer of 62.83 ft^2. which will round up to 63 ft^2.

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The length of a rectangle is equal to triple the width. What are the dimensions of the rectangle if the perimeter is 88cm.
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88= 2l + 2w
l=3w
88=2(3w)+2w
88= 6w+2w
88=8w
w=11
l=3(11)
l=33
width= 11
length= 33
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3 years ago
Hey bakery display Easter cookies equally on seven trays if there are 567 cookies how many cookies are on each tray
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Step-by-step explanation:

567/7= 81


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It cost you $12 to start up your
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Step-by-step explanation:

let no. of hours be x.

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6 0
3 years ago
A person suspects a standard number cube is not so standard. Another person rolls this cube 100 times, and it lands on a six 42
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Answer:

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3 years ago
Find the coordinates of the vertex of the following parabola algebraically. Write your answer as and x,y point
Likurg_2 [28]

The equation of the parabola in the vertex form is y =  (x - 3)^{2} - 5 with ( 3, -5) is the vertex of the parabola and 1 is the multiplier

In the above question, A parabolic equation is given as follows:

Y = x^2 - 6x + 4

The equation of the parabola in the vertex form is :

y = a (x - h)^{2} + k

Where a is a multiplier in the equation and (h,k) are the coordinates of the vertex

So, in order to obtain this form, we will use the method of completing square :

Y = x^2 - 6x + 4

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y = (x - 3)^{2} + ( -9 + 4)

y =  (x - 3)^{2} - 5

where, ( 3, -5) is the vertex of the parabola and 1 is the multiplier

Hence, The equation of the parabola in the vertex form is y =  (x - 3)^{2} - 5 with ( 3, -5) is the vertex of the parabola and 1 is the multiplier

To learn more about, parabola, here

brainly.com/question/21685473

#SPJ1

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