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3 years ago

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Eric is two years younger than 2 times his sisters age. Write a rule that represent Eric's age a as a function of his sisters ag

e s. How old is Eric is his sister is 11?

1 answer:

Snezhnost [94]3 years ago

7 0

(11•2) - 2 = Eric's Age

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What is the factored form of this expression? 27m^3 +125n^3

ddd [48]

Answer:

$\left(3m+5n\right)\left(9m^2-15mn+25n^2\right)$

Step-by-step explanation:

$27m^3+125n^3=\left(3m\right)^3+\left(5n\right)^3$

Apply sum of cubes formula: $x^3+y^3=\left(x+y\right)\left(x^2-xy+y^2\right)$

$\left(3m\right)^3+\left(5n\right)^3=\left(3m+5n\right)\left(3^2m^2-3m\times 5n+5^2n^2\right)$

$\left(3m+5n\right)\left(9m^2-15mn+25n^2\right)$

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2 years ago

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3 years ago

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What does 3/8 + 7/8=

ValentinkaMS [17]

Answer:

since the denominators are the same we add 3 and 7 in the numerator to get 10/8 or 1 2/8, and we can simplify to 5/4 or 1 1/4.

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2 years ago

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Add<br>(4-4i)+(3-2i)<br>Write as complex number in standard form

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Step-by-step explanation:

To add or subtract two complex numbers, just add or subtract the corresponding real and imaginary parts. For instance, the sum of 4 -4i and 3 - 2i is 7 -6i. The numbers in standard form will be a + bi, where a is the real part and bi is the imaginary part.

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3 years ago

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Answer:

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To find u+v, all you have to do is add the corresponding components of each.

That is for example on this problem, you would do

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=<-6,-4>.

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3 years ago