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Pavel [41]
2 years ago
15

Help, help me with this particular problem guys.

Mathematics
1 answer:
denpristay [2]2 years ago
6 0

Find the surface area of the <em>two green cubes</em> first, 2x2 = 4 square centimeter ((each)).

Next find the surface area of the <em>blue rectangular prism</em>, 11 x 5 x 5 = 275 square centimeters.

Now add the the surface areas of the cubes and rectangular prism to find the total <em>area</em> <em>of the</em> <em>figure</em>,

4 + 4 + 275 = 283 square centimeters.

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a rectangle has an area of 40cm. the dimensions of the rectangle are multiplied to form a new rectangle with an area of 160cm. b
denis-greek [22]
The first rectangle has a length of 20cm and a width of 2cm for the area to be 40cm. so, the dimensions must be multiplied by 4 to equal 160cm.
4 0
3 years ago
What is the variance of the following data? If necessary, round your answer to two decimal places. 17, 13, 13, 22, 11, 20
Bond [772]
Variance is the standard deviation squared but we're not going to use that now. Let's first calculate the mean:

mean = (17+13+13+22+11+20)/6 = 16.

Now for each value, let's see how far it is from this mean. We'll square these distances and average them. That's our variance.

17 distance 1 squared = 1
13 distance 3 squared = 9
13 distance 3 squared = 9
22 distance 6 squared = 36
11 distance 5 squared = 25
20 distance 4 squared = 16

Now average these outcomes:

variance = (1+9+9+36+25+16)/6 = 16.

So the variance by coincidence is the same as the mean.

Answer C is your answer.
7 0
3 years ago
Someone help plz
Lilit [14]
Hope this helps !!!!

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3 years ago
What is the first consecutive even integer that follows -6
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-4 is the first consecutive even integer following -6<span />
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Read 2 more answers
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Answer:I think its C but im not sure

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