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borishaifa [10]
3 years ago
13

If I have a circle with a raduis of 2 and I want to increase the raduis to 16, what is the scale factor?

Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Answer:

8

Step-by-step explanation:

2 * 8 = 16

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a rectangular plot has a perimeter of 124cm. The width is 2cm shoter than the lengh.What is the area of the rectangle?​
geniusboy [140]

Answer:

area = 960cm^2

Step-by-step explanation:

Perimeter = 2 x (length + width) ------(1)

Perimeter = 124cm

Let length be x

Given width is 2cm shorter than length , that width = x -2

    Perimeter = 2 (x + (x -2))\\\\124 =  2(x +x -2)\\\\62 = 2x -2 \\64 = 2x\\x = 32

Length = 32cm

Width = 32 - 2 = 30cm

Area = length x width

  = 32 \times 30 = 960cm^2

8 0
3 years ago
Read 2 more answers
Vicki would like to estimate the probability of tails coming up fewer than 2 times in 3 coin flips.
Ganezh [65]

Answer:

0.4

Step-by-step explanation:

Vicki has a computer randomly select 0 or 1 three times, with 0 representing <u>heads</u> and 1 representing <u>tails</u>. The results of 15 trials are shown in the table.

110    111   000    011   000

010   101   100   000   000

111     101    110     101    111

Vicki would like to estimate the probability of tails (1) coming up fewer than 2 times (must be 0 or 1 digit 1 in record). All such seuences are marked in bold int the above table. There are 6 such trails. Hence, Vicki's estimated probability, based on this simulation is

\dfrac{6}{15}=\dfrac{2}{5}=0.4

6 0
3 years ago
The diagram shows a scale drawing of a playground the scale of the drawing is 1:500 work out the perimeter of the real playgroun
liraira [26]

Answer:

Check Explanation

Step-by-step explanation:

The complete question plus diagram is presented in the attached image to this solution.

From the attached image, the dimensions of the playground drawn will be a bit variable now as zooming and some editing might have tampered with the original intended dimensions to be measured.

But still, let us assume that on measuring the rectangular playground shown, we obtain approximately that the length is 4.5 cm and the breadth is 2 cm.

The scale to convert to real life is 1;500 indicating that

1 cm on the drawing = 500 cm lenght units of the real playground.

So,

4.5 cm on the drawing = 4.5 × 500 = 2250 cm of the playground

2 cm on the drawing = 2 × 500 = 1000 cm of the playground.

Hence, the real life dimensions of the playground is 2250 cm by 1000 cm.

In meters, that is 2.25 m by 1 m

The perimeter of a rectangular figure is given as

Perimeter = 2(Length + Breadth)

= 2(2.25 + 1)

= 6.5 m

Hope this Helps!!!

5 0
3 years ago
What ratio is equivalent to 3:9
Vedmedyk [2.9K]

Answer:

1:3 or 1/3

Step-by-step explanation:

Because 3/9=1/3.

5 0
3 years ago
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Cálculo con números racionales o fraccionarios, con raíces y potencias
gayaneshka [121]

Answer47.5

Step-by-step explanation: add them together

8 0
3 years ago
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