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3 years ago

How do I add and subtract radicals

Mathematics

2 answers:

Ainat [17]3 years ago

6 0

To add or subtract radicals, the indices and what is inside the radical (called the radicand) must be exactly the same. If the indices and radicands are the same, then add or subtract the terms in front of each like radical.

8_murik_8 [283]3 years ago

4 0

YouTube is a beautiful thing.

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Choose the graph of the function f(x)=1/2 times -2.

Lesechka [4]

Answer:

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Step-by-step explanation:

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2 years ago

Find the inverse function of h(x) = -2/3x + 6.

nalin [4]

Answer:

$h^{-1}(x)=-\frac{3}{2}x+9$

Step-by-step explanation:

To find inverse of a function, follow the steps below:

1. replace h(x) with y

2. Interchange x and y

3. Solve for the new y

4. Replace y to $h^{-1}(x)$ (this is the inverse function)

Step 1: y = -2/3x+6

Step 2: x = -2/3y+6

Step 3:

$x=-\frac{2}{3}y+6\\\frac{2}{3}y=-x+6\\y=\frac{-x}{\frac{2}{3}}+\frac{6}{\frac{2}{3}}\\y=-\frac{3}{2}x+9$

Step 4:

$y=-\frac{3}{2}x+9\\h^{-1}(x)=-\frac{3}{2}x+9$

This is the inverse function.

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2 years ago

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How many factors in the expression 8(x +4) (y +4) (z 2 + 4z + 7) have exactly two terms?

Anna11 [10]

From the expression 8(x +4) (y +4) (z 2 + 4z + 7),
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goldenfox [79]

Answer:

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Step-by-step explanation:

99.5+113= 212.5 /2 = 106.25

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