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Mathematics

2 answers:

yKpoI14uk [10]3 years ago

8 0

1. A. a translation 3 units to the right
2. 4 units up

dem82 [27]3 years ago

8 0

From what I can tell, the answer to the first problem is A, and the answer to the second problem is 4 units up.
The reason the first answer is A, is because if you count from point C to point K there is a total of three squares. Also, rotating and reflecting this image would give you different results.
The second answer is 4, because counting from A to A' there are a total of 4 squares (units), hence the answer of four.

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Find the product. (r s)2 r² 2rs s r² 2rs s² r² 2rs 2s².

sveta [45]

The product of the given expression is $\rm 2r^3+ s^3r^3+ 2r^3s + sr^3+ 2s^3+ 6rs$ .

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The product of $\rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2$ .

<h3>What is multiplication?</h3>

Multiplication is the process of calculating the product of two or more numbers.

The multiplication of numbers say, ‘a’ and ‘b’, is stated as ‘a’ multiplied by ‘b’.

The product of $\rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2$ is given by;

$\rm 2r^2(r + s) + 2rs + s^2 + 2rs + s^2r^2+ 2rs + 2s^2\\\\(2r^3 + 2r^2s) + 2rs + 2rs + 2rs + s^2r^2 + sr^2 + 2s^2\\\\2r^3+ 2r^2s + 6rs + s^2r^2 + sr^2+ 2s^2$

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Hence, the product of the given expression is $\rm 2r^3+ s^3r^3+ 2r^3s + sr^3+ 2s^3+ 6rs$ .

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2 years ago

Jim is painting the inside of a circular helicopter pad. How many cans of paint would he need if the pad is 50 feet across and e

djverab [1.8K]

STEP 1:
You need to find the area of the circular pad.

Circle Area= πr^2
we need the radius which is half of the diameter given
=π(50÷2)^2
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STEP 2:
Find how much paint is needed by dividing a can's coverage into what's needed.

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ANSWER: 10 cans are needed

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7nadin3 [17]

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Bumek [7]

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