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Viktor [21]
2 years ago
12

Find the value of n such that b^2 + 16b + n is a perfect square trinomial

Mathematics
1 answer:
MariettaO [177]2 years ago
7 0

Answer:

64

Step-by-step explanation:

To complete the square

add ( half the coefficient of the b- term )² to b² + 16b

b² + 2(8)b + 8²

= b² + 16b + 64 = (b + 8)²

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FromTheMoon [43]
P(A \textrm{ and } B) = P(A) P(B|A)

P(A \textrm{ and } B) = \dfrac{3}{10} \cdot \dfrac{2}{5} = \dfrac{3}{25}

Second to last choice.


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A boat leaves a port and heads straight East for 12 miles then turns straight south for another 7 miles then stops. If another b
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What is 2/3 of the product of 3/8and 16
MA_775_DIABLO [31]

Answer:

4

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
What is the property of 6x=72?
Andreyy89

Addition and multiplication are commutative property so that mean no.

In this case, you have to do division.

Your answer is 6x = 72

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Hope this helps :)

7 0
3 years ago
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Solve for x. Round your answer to two decimal places. Show your work for full credit.
omeli [17]

Answer:

x ≈ 14.30

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Trigonometry</u>

  • sin∅ = opposite over hypotenuse

Step-by-step explanation:

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

∅ = 39°

opposite leg = 9

hypotenuse = x

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

  1. Substitute:                              sin39° = 9/x
  2. Multiply <em>x</em> on both sides:       xsin39° = 9
  3. Isolate <em>x</em>:                                 x = 9/sin39°
  4. Evaluate:                                 x = 14.3011
  5. Round:                                    x ≈ 14.30
5 0
2 years ago
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