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zhuklara [117]
3 years ago
12

Please simplify this

Mathematics
1 answer:
Alika [10]3 years ago
6 0

Answer:

The answer is 4√3 - 6

Steps

(8√6mn + 6√8mn ) / 2√2mn

<u>Factor out 2√mn from the expression</u>

That's

2√mn × ( 4√6 - 3√8) / 2√2mn

<u>Next reduce the fraction with 2</u>

We have

√mn × ( 4√6 - 3√8) / √2mn

<u>Factor √2 from the denominator</u>

√mn × ( 4√6 - 3√8) / √2(√mn)

<u>√mn will cancel each other </u>

we get

( 4√6 - 3√8) / √2

<u>Simplify the radical </u><u>expression</u>

That's

( 4√6 - 3× 2√2) / √2

= ( 4√6 - 6√2) / √2

<u>Rationalize the surd</u>

We get

( 4√6 - 6√2) / √2 × (√2 / √2)

= ( 4√6 - 6√2) (√2) / (√2)²

= 4√12 - 12 / 2

= (8 √3 - 12) / 2

<u>Factor out 2 from the numerator</u>

That's

2( 4 √ 3 - 6 ) /2

2 will cancel each other

so the final answer will be

4√3 - 6

Hope this helps you

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Solve 5c − c + 10 = 34. <br> −6 <br> 6 <br> 11 <br> −11
natima [27]

Subtract 10 and collect terms to get the variable term by itself on the left.

... 4c = 24

Divide by the coefficient of the variable, 4.

... c = 6

The appropriate choice is the second one:

... 6

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You don't actually have to sove the equation to find the right answer. You just need to see which answer works.

-6: 5(-6) -(-6) +10 = -14 ≠ 34

6: 5(6) -(6) +10 = 34 . . . . . . . this answer works (you can stop here)

11: 5(11) -(11) +10 = 54 ≠ 34

-11: 5(-11) -(-11) +10 = -34 ≠ 34

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3 years ago
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What is the value of 16 - 3k + 5 when k = 4?
DENIUS [597]

Answer:

9

Step-by-step explanation:

Substitute 4 as k into the equation.

16 - 3(4) + 5

simplify

16 - 12 + 5

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The answer is 9.

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If y varies inversely as x, and y = 23 when x<br> 8, find y when x 4.
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Answer:

y = 46

Step-by-step explanation:

Given y varies inversely as x then the equation relating them is

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y = \frac{184}{x} ← equation of variation

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