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Lapatulllka [165]
3 years ago
10

What is equivalent to

dle" class="latex-formula">
A. 3^2
B 3^9
C 3^3
D 3^18
ILL GIVE ALL 20 POINTS
Mathematics
1 answer:
kherson [118]3 years ago
8 0

For this case we must indicate an expression equivalent to:

(3 ^ 6) ^ 3

For properties of powers we have to:

(a ^ n) ^ m = a ^ {n * m}

So, the above expression can be rewritten as:

(3 ^ 6) ^ 3 = 3^{6*3} = 3^{18}

Thus, the resulting expression is: 3^{ 18}

Answer:

3^{ 18}

Option D

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The purchase price is 71.4% of the sale price.

Step-by-step explanation:

1) 45 / 63 = 0.714

2) 0.714 * 100 = 71.4%

I didn't see part B.

7 0
3 years ago
Jim owns an ice-cream store. Use the clues to find out how many ice-cream cones he sold last week. • He sold more than 300 but f
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Answer:

Step-by-step explanation:

Remark

The last digit is 1 3 5  7 9 because the last digit is odd.

The first digit must be a 3 because the number is between 300 and 350

Let the first digit = x

Let the second digit = y

Let the third digit = z

x + y = z

x + y + z = 14                        Substitute z for x + y

z + z = 14                              Combine

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2z/2 = 14/2                            

z = 7

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The middle digit is 3 less than the last digit.

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4 0
2 years ago
Applicants for a job first submit a written application. Based on the written applications, 40% of the applicants are invited fo
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Answer:

option b is correct answer

Step-by-step explanation:

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7 0
3 years ago
Help please ! ill give brainliest if correct
Mashutka [201]

9514 1404 393

Answer:

  a) (-5±√10)/3 ≈ {-2.721, -0.613}

  b) (6±√21)/5 ≈ {0.283, 2.117}

Step-by-step explanation:

a) The relevant coefficients are ...

  a = 3, b = 10, c = 5

  x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\dfrac{-10\pm\sqrt{10^2-4\cdot3\cdot5}}{2\cdot3}=\dfrac{-10\pm\sqrt{40}}{6}\\\\\boxed{x=\dfrac{-5\pm\sqrt{10}}{3}\approx\{-2.721, -0.613\}}

__

b) The relevant coefficients are ...

  a = 5, b = -12, c = 3

  x=\dfrac{-(-12)\pm\sqrt{(-12)^2-4\cdot5\cdot3}}{2\cdot5}=\dfrac{12\pm\sqrt{84}}{10}\\\\\boxed{x=\dfrac{6\pm\sqrt{21}}{5}\approx\{0.283, 2.117\}}

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Answer:

C. Various fees paid when a home purchase is finalized

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