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professor190 [17]
3 years ago
7

Combine the following expressions . sqrt(9m ^ 2 * n^ 2) + 2sqrt(m ^ 2 * n ^ 2) - 3mn

Mathematics
1 answer:
storchak [24]3 years ago
6 0

Answer:

2mn

Step-by-step explanation:

\sqrt{9m^2*n^2} + 2\sqrt{m^2*n^2} -3mn

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The scale factor as I understand it will just be 1 to 30, inches to miles.

however, in this case it seems to be suggesting a conversion to the same unit, say hmmm let's convert the miles to inches.

\bf 30~\underline{mi}\cdot \cfrac{5280~\underline{ft}}{\underline{mi}}\cdot \cfrac{12~in}{\underline{ft}}\implies \cfrac{30\cdot 5280\cdot 12~in}{1}\implies 1900800~in\\\\
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\stackrel{in}{1}:\stackrel{mi}{30}\implies \stackrel{in}{1}:\stackrel{in}{1900800}
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Step-by-step explanation:

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4 years ago
The question is in the screenshot!
Vilka [71]

Answer:

5/2

Step-by-step explanation:

Phase shift refers to the sin graph movement left or right.

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I need help ASAP <br>Solve 2(x + 1) = 2x + 5. All real numbers No solution 0 3​
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Answer: No solution 0=3

Step-by-step explanation:

2(x+1)=2x+5

Step 1: Simplify both sides of the equation.

2(x+1)=2x+5

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2x+2=2x+5

Step 2: Subtract 2x from both sides.

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Step 3: Subtract 2 from both sides.

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