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3 years ago

What is the geometric mean of 2 and 14?

Mathematics

1 answer:

Stells [14]3 years ago

7 0

The geometric mean of 2 and 14 is 5.3.

<h2>The Answer is 5.3</h2>

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Which expression is equivalent to the expression below?

Nitella [24]

Answer:

Step-by-step explanation:

Given

$\sqrt{-108}$ - $\sqrt{-3}$

= $\sqrt{36(3)(-1)}$ - $\sqrt{3(-1)}$

= 6 $\sqrt{3}$ i - $\sqrt{3}$ i

= 5 $\sqrt{3}$ i

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3 years ago

Read 2 more answers

1/4 (3x - 16) + 1/4x 5 1/3

slavikrds [6]

1/4(3x-16)+1/4x (times?) 5 and 1/3?? please so i can solve the problem

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4 years ago

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Simplify the expression 3(9+4x−5). <br><br> ill give brainlist

Mazyrski [523]

12x+12 step by step below

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3 years ago

Alicia buys 4 scarves. She pays $75.20 plus an additional $5.26 in tax for the scarves. Alicia determines that each scarf cost $

Serggg [28]

Alicia buys 4 scarves. She pays $75.20 plus an additional $5.26 in tax for the scarves

Total cost paid for 4 scarves = 75.20 + 5.26 = 80.46

to find cost of 1 scarve we divide the total cost by 4

$\frac{80.46}{4} =20.115= 20.12$

Alicia determines that each scarf cost $20.12

We got the same cost . So Alicia's calculation is correct.

5 0

4 years ago

Find all solutions (real or complex)

Alchen [17]

Answer:

Step-by-step explanation:

16p² = 29

p² = 29/16

p = ±√(29/16)

x² = -18

x = ±√(-18)

x = ± √9•√2•√-1

x = ± 3√2i

5(x - 1)² + 42 = 447

5(x² - 2x + 1) + 42 = 447

5x² - 10x + 5 + 42 = 447

5x² - 10x - 400 = 0

x² - 2x - 80 = 0

x = (2 ±√(2² - 4(1)(-80))) / (2(1))

x = (2 ±√324) / 2

x = (2 ±18) / 2

x = 1 ± 9

x = -8 , 10

3(x - 9)² = -100

3(x² - 18x + 81) = -100

3x² - 54x + 243 = -100

3x² - 54x + 343 = 0

x = (54 ±√(54² - 4(3)(343))) / (2(3))

x = (54 ±√-1200) / 6

x = (54 ± (20√3)i) / 6

x = 9 ± ⅓(10√3)i

4 0

3 years ago