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Usimov [2.4K]
3 years ago
12

What is the value of the expression (9 1/3)^3?

Mathematics
1 answer:
cestrela7 [59]3 years ago
5 0

Answer:

rounded to the nearest hundredth the value is 813.04

Step-by-step explanation:

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Explain Long division in your own words using at least 3 sentences.
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Answer:

form of devision that takes longer bc it a fraction or decimal. first you want to get rid of the decimals. then devide the numbers from the lowest to the highest

I may be wrong been for ever since I did it on paper

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0.2x + 1 = 1.6x + 3.1<br> What value of x satisfies the equation above?
guapka [62]

Answer:

x = -1.5

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

0.2x + 1 = 1.6x + 3.1

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 0.2x on both sides:          1 = 1.4x + 3.1
  2. Subtract 3.1 on both sides:             -2.1 = 1.4x
  3. Divide both sides by 1.4:                 -1.5 = x
  4. Rewrite:                                            x = -1.5

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitution:                    0.2(-1.5) + 1 = 1.6(-1.5) + 3.1
  2. Multiply:                           -0.3 + 1 = -2.4 + 3.1
  3. Add:                                 0.7 = 0.7
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Step-by-step explanation:

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In the right triangle shown, m ∠ A = 30 ° m∠A=30°m, angle, A, equals, 30, degree and A B = 12 3 AB=12 3 ​ A, B, equals, 12, squa
ArbitrLikvidat [17]

Answer:

AC = 18

Step-by-step explanation:

Given the question:

<em>In a right triangle, m∠A = 30° and AB = 12√3 (AB is the hypotenuse). How long is AC?</em>

Side AC is adjacent to angle A. Then, by definition of cosine:

cos(A) = adjacent/hypotenuse

cos(A) = AC/AB

AC = cos(A)*AB

AC = cos(30°)*12√3

AC = 18

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