3 years ago

How do I add and subtract radicals

2 answers:

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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PLEASE HELP, GIVING 25 POINTS!!!!<br><br> Fill in the blank.<br> (5x)^2 = ___ x^2

Dimas [21]

Answer:

The answer is 25

Step-by-step explanation:

(5x)^2=25^2

5x times 5x is 25x^2

25^2 divided by 5x is 5x

The two x's become x^2 and the two 5's just multiply to 25

3 0

3 years ago

A grid shows the position of a subway stop at your house. The subway stop is located at (-5, 2) and your house is located (-9,9)

aleksley [76]

$A(-5;\ 2);\ B(-9;\ 9)\\\\|AB|=\sqrt{(-9-(-5))^2+(9-2)^2}=\sqrt{(-4)^2+7^2}=\sqrt{16+49}\\\\=\sqrt{65}\approx8\ (units)$

3 0

3 years ago

Please help!!!! :)))))))

Tanzania [10]

Answer:

10 units

Step-by-step explanation:

1. Do the square in the middle

2 x 2 = 4

2. Do the triangle on the left

2 x 2 divided by 2 = 2

3. Do the triangle on the right

4 x 2 divided by 2 = 4

4. Add them all up

4 + 2 + 4 = 10

8 0

3 years ago

Read 2 more answers

melomori [17]

You multiply straight across, and one number is a fraction and the other is not.

3 0

3 years ago

Round to the nearest hundredth 0.2189

Aleks04 [339]

Answer:

0.22

Step-by-step explanation:

4 or less let it rest, 5 or more add one more!.

8 is greater than 1 so you add one to 1 which equals 2, so your answer would be 0.22

6 0

3 years ago