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Mumz [18]
3 years ago
15

I have tried doing both of these trying to skip it but there my last ones

Mathematics
1 answer:
zysi [14]3 years ago
3 0
Hi there!

Let's start with RATIO AND PROPORTION. First, we'll need to set up a proportion to figure out what 7% of 1.42 is. This is the proportion we'll use: x/1.42 = 7/100. Now, let's cross-multiply: 100x = 9.94. Next, we'll divide to figure out what 7% of 1.42 is: x = 0.0994. Lastly, all we need to do is add that value to 1.42 to figure out the total cost: 1.42 + 0.0994 = $1.5194 in total.

GEOMETRY: 
The formula for the circumference of a circle is 2 x pi x radius. Let's plug in the radius to this equation: 2 x pi x 3.1. Now, we need to multiply, first leaving it in terms of pi: 6.2 x pi. The circumference of this circle is 6.2pi or 19.477.

Hope this helps!! :)
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Step-by-step explanation:

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2 years ago
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Answer:

78mm^2

Step-by-step explanation:

based on the information given, we can tell that the shape of the MP3 player is a rectangle. The formula for the surface area of a rectangle is SA=2WL+2LH+2HW

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3 years ago
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Answer:

0.20 or 20%

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In order to choose shoes, pants and socks of the same color, Teddy can go either all black or all brown. For all black, there is a 2 in 5 chance he gets the right shoes, 3 in 4 chance for pants and 6 in 12 for socks. For all brown, there is a 3 in 5 chance he gets the right shoes, 1 in 4 chance for pants and 4 in 12 for socks.

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The probability that he chooses shoes, pants, and socks of the same color is 0.20 or 20%.

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3 years ago
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