3 years ago

How to simplify radicals into simplest radical form?

1 answer:

6 0

An example should help :-

Simplify sqrt 20:-

sqrt 20 = sqrt (4 * 5) = sqrt 4 * sqrt5 = 2 sqrt5

cube root of 54 = cube root 27 * cube root 2 = 3 cube root 2

The rule is to factor the number and look for perfect squares or cubes, etc.

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Can you please help me understand how to solve a trig ratio like this?

yKpoI14uk [10]

Answer:

cos47° = $\frac{x}{7}$

Step-by-step explanation:

cos47° = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{7}$

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3 years ago

PLSS HELP ILL GIVE BRAINLIEST IF YOU HELP ME AND EXPLAIN UR ANSWER

kherson [118]

Answer:

It is the second choice.

Step-by-step explanation:

Divide both side by pi r squared. Boom.

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3 years ago

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If f(x) = |x|+ 9 and g(x) = -6, which describes the value of (f + g)(x)?

ohaa [14]

Answer:

(f+g)(x) > 3 for all values of x

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3 years ago

Dion spent m minutes on his math homework, g minutes on his german homework and 30 minutes on his biology homework. In total he

Blizzard [7]

m + g + 30 = t

If m = 40 and t = 95,

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3 years ago

The pH of 0.0001 M solution of Ca(OH)2 is

12345 [234]

Step-by-step explanation:

Since Ca(OH)2 is Basic, we need to find pOH:

pOH = - log [OH-]

pOH = - log(0.0001)

pOH = - ( - 4)

pOH = 4

Since, pH + pOH = 14

Therefore,

pH of 0.0001M sol. of Ca(OH)2 = 10

5 0

3 years ago