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lys-0071 [83]
1 year ago
15

Distribute and simplify the radicals below.

Mathematics
1 answer:
erastovalidia [21]1 year ago
8 0

The simplified expression of (√12+6)(-√8-√2) is -6√6 - 18√2

<h3>How to simplify the radical?</h3>

The expression is given as:

(√12+6)(-√8-√2)

Factor out -1

(√12+6)(-√8-√2) = -(√12+6)(√8+√2)

Expand the expression

(√12+6)(-√8-√2) = -(√96 + 6√8 + √24 + 6√2)

Evaluate the radicals

(√12+6)(-√8-√2) = -(4√6 + 12√2 + 2√6 + 6√2)

Evaluate the like terms

(√12+6)(-√8-√2) = -(6√6 + 18√2)

Open the bracket

(√12+6)(-√8-√2) = -6√6 - 18√2

Hence, the simplified expression of (√12+6)(-√8-√2) is -6√6 - 18√2

Read more about radicals at:

brainly.com/question/1980062

#SPJ1

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Solve equation <br> -8n+7(8+3n)=-16+4n
spin [16.1K]

Answer:

<h2><u><em>-8</em></u></h2>

Step-by-step explanation:

Solve equation

-8n + 7 * (8 + 3n)= -16 + 4n

-8n + 56 + 21n = -16 + 4n

13n + 56 = -16 - 56

13n -4n = -16 - 56

9n = -72

n = -72 : 9

<u><em>n = -8</em></u>

5 0
2 years ago
Evaluate the expression: x +y + z (if x =33, y = -28, and z =40)
Mrac [35]
Answer is 45 (33-28+40=45)
8 0
2 years ago
How do you calculate the residuals of a scatter plot?
Aloiza [94]
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6 0
3 years ago
Mrs. Nevin is making a costume for a school play. She needs a piece of fabric that is greater than 1/2 of a yard but less than 5
Bumek [7]

Answer:

4/7 yards

Step-by-step explanation:

Given that :

Required fabric is > 1/2 but < 5/8

Let required fabric = x

Then ;

Converting the fractions to decimal :

1/2 = 0.5 ; 5/8 = 0.625

0.5 < x < 0.625

3/8 yards = 0.375 ;

4/7 yards = 0.571

3/7 yards = 0.429

2/4 yards = 0.5

0.5 < 0.571 < 0.625

From the options, only 4/7 yards satisfies the condition :

5 0
3 years ago
Bob has a dog who weighs 12 pounds. His cat weighs 2/3 as much as the dog. How many pounds does his cat weigh?
zheka24 [161]
The dog weighs 12 lbs.
The cat weighs 2/3 as much as the dog


- Divide 12 by 3
= 4

- Then multiply by 2
= 8

His cat weighs 8 pounds.
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3 years ago
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