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Anarel [89]
2 years ago
9

Simplify this radical

Mathematics
1 answer:
Lady_Fox [76]2 years ago
6 0

The given radical root 84, the simplification is option B; 2\sqrt{21}.

<h3>What is a simplification of an expression?</h3>

Usually, simplification involves proceeding with the pending operations in the expression.

Simplification usually involves making the expression simple and easy to use later.

The given radical;

\sqrt{84} \\\\\sqrt{42 \times 2} \\\\\sqrt{7\times3\times 2 \times 2} \\\\2\sqrt{21} \\

Thus, the correct option is B; 2\sqrt{21}.

Learn more about Simplification ;

brainly.com/question/14923091

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Given that g(x)=3x - 12, what is the value of x when g(x)=-27?
Lorico [155]

Answer:

x = -5

Step-by-step explanation:

If g(x)= 3x - 12, and g(x)= -27 then -27 = 3x -12

Solve for x

     -27 = 3x -12, add 12 to both sides

-27+12 = 3x, add -27+12

     -15 = 3x, divide both sides by 3

      -5 = x

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3 years ago
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A) Find the distance of line segment PR. Round answer to the nearest tenth. B) Find the distance around the park (perimeter).
juin [17]

Answer:

A. PR = 80.6 yd

B. Perimeter = 190.6 yd

Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}

PR = \sqrt{(70)^2 + (-40)^2}

PR = \sqrt{4,900 + 1,600}

PR = \sqrt{6,500}

PR = 80.6 yd (nearest tenth)

B. Distance around the park = Perimeter = PR + PQ + QR

PR = 80.6 yd

PQ = |50 - 10| = 40 yd

QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

Perimeter = 190.6 yd

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3 years ago
joshua can wash 5 cars in 1 hour and jason can wash 3 cars in one hour. at this rate, how long will it yake joshua and jason to
zvonat [6]

The answer is 3 hours  40 minutes

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Martin is saving for a gaming system. The total cost of the gaming system and three games is $325.49. About how much money shoul
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4 years ago
Solve for p: 6p + 6 = 13 + 5p
Ivan

Answer:

p equals 7

Step-by-step explanation:

6p + 6 = 13 + 5p

you subtract 6 from 13 and 5p from 6p

p = 7

7 0
3 years ago
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