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Finger [1]
3 years ago
11

Two circles have the same radius. Complete the description for whether the combined area of the two circles is the same as the a

rea of a circle with twice the radius. The combined area of two circles with the same radius is ___πr2. The area of a circle with twice the radius is ___πr2. The combined area of two circles is as the area of a circle with twice the radius.
Mathematics
2 answers:
Aleksandr [31]3 years ago
6 0

Answer:

2 ; 4

'is not some as'

Step-by-step explanation:

Let r be the radius of one circle:

Area of 2 circles = 2(pi×r²) = 2pi×r²

Double the radius: 2r

Area = pi × (2r)² = pi × 4r² = 4pi×r²

Elodia [21]3 years ago
5 0

Answer:

see below

Step-by-step explanation:

A = pi r^2

If they have the same radius they have the same area

A two circles = pi r^2 +pi r^2

                      = 2 pi r^2

If we double the radius

A = pi (2r)^2

   = pi 4r^2

The combined area of two circles is  1/2  the area as the area of a circle with twice the radius.

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Olenka [21]

Answer:

x=4

Step-by-step explanation:

If all the figures are similar, we'll have to shrink them at the same rate as the rest.

The ratio here is 2/5. So,

2/5 = 6.4/16

2/5 = x/10

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3 0
2 years ago
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Which is an equation in point-slope form of the line that passes through the points (4,5) and (-3,-1)?
Annette [7]
(4,5),(-3,-1)
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y - y1 = m(x - x1)
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6 0
3 years ago
The price, P, of a sweater was discounted by 10% in
aalyn [17]

Answer:

In terms of P, the price of the sweater after the discount is 0.72P.

Step-by-step explanation:

Since the price P would represent 100% and the price was discounted by 10%, you can calculate 10% of 100% and subtract that amount, which would be:

100*10%=10

100-10=90%

This means that the price paid would be 90% of P. Then, the statement says that the price was discounted by another 20%. So, you have to calculate 20% of the price and subtract that amount from the price:

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90-18=72%

According to this, this means that in terms of P, the price of the sweater after the discount is 0.72P.

6 0
3 years ago
What is the next term in the sequence 1/2 1/6 1/18 1/54
ddd [48]
1/162
2*3=6
6*3=18
18*3=54
54*3=162
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2 years ago
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marishachu [46]
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