3 years ago

How is a net useful when finding the surface area of prisms and pyramids

1 answer:

7 0

A net is just a 3D shape made into a 2D shape. So when you have a net, it is easier to make sure you count up all the sides without missing one or counting one twice.

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Find the approximate side length of a square game board with an area of 128 in.²

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A square has 4 sides, so 128 in. Squared divided by the 4 sides, would then equal 32 in. Squared for the approximate side length of a square game board

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3 years ago

Could someone pls help:(

dsp73

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4.5

Step-by-step explanation:

3^2=9

1/2*9=4.5

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3 years ago

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The quadratic function y = -10x2 + 160x - 430 models a store's daily profit (y), in dollars, for selling T-shirts priced at x do

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There are 25 students that would like to go on a field trip, but only 18 may go. How many different combinations of students cou

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480700. The different combinations of students that could go on the trip with a total of 25 student, but only 18 may go, is 480700.

The key to solve this problem is using the combination formula $nC_{r}=\frac{n!}{r!(n-r)!}$ . This mean the number of ways to choose a sample of r elements from a set of n distinct objects where order does not matter and replacements are not allowed.

The total of students is n and the only that 18 students may go is r:

$25C_{18}=\frac{25!}{18!(7!)}=480700$

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3 years ago

Find 12 1/2% of #400.00 <br>find 12 1/2 percentage of 400 naira

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2 years ago