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KIM [24]
2 years ago
12

Find the value for x in the equation below

" title="(2x+8)/6=1/3(x+4)" alt="(2x+8)/6=1/3(x+4)" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
max2010maxim [7]2 years ago
8 0

Answer:

x = -3, -5.

Step-by-step explanation:

(2x + 8)/6 = 1/3(x + 4)

Cross multiply:

(2x + 8)(x + 4) = 6 * 1/3

(2x + 8)(x + 4) = 2

2x^2 + 16x + 32 - 2 = 0

2x^2 + 16x + 30 = 0

x^2 + 8x + 15 = 0

(x + 3)(x + 5) = 0

x = -3, -5.

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What is the best estimate for the product of 289 and 7
Monica [59]

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Between 1,400 and 2,100

6 0
3 years ago
Mr. Kael wrote tenths minus 5 hundresths on the board.cathy said the answer is 3 hundredths because 8 minus 5 is 3. Is she corre
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4 0
3 years ago
12 lb13 oz + 6 lb11 oz
max2010maxim [7]

Answer:

19 lbs and 8 oz

Step-by-step explanation:

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6 0
4 years ago
Find the slope of the line that contains (−5,4) and (2,4).
klio [65]

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Step-by-step explanation:

4 0
2 years ago
PLEASE HELP FAST!!!
rewona [7]

By <em>trigonometric</em> functions and law of cosines, the value of x associated with a <em>missing</em> angle in the <em>geometric</em> system is between 7.701 and 7.856.

<h3>How to find a missing variable associated to an angle by trigonometry</h3>

In this question we have a <em>geometric</em> system that includes a <em>right</em> triangle, whose missing angle is determined by the following <em>trigonometric</em> function:

sin (7 · x + 4) = 12/14

7 · x + 4 = sin⁻¹ (12/14)

7 · x + 4 ≈ 58.997°

7 · x = 54.997°

x ≈ 7.856

In addition, the <em>geometric</em> system also includes a <em>obtuse-angle</em> triangle and that angle can be also found by the law of the cosine:

7² = 8² + 6² - 2 · (8) · (6) · cos (7 · x + 4)

17/32 = cos (7 · x + 4)

7 · x + 4 = cos⁻¹ (17/32)

7 · x + 4 ≈ 57.910°

7 · x ≈ 53.910°

x ≈ 7.701

Hence, we conclude that the value of x associated with a <em>missing</em> angle in the <em>geometric</em> system is between 7.701 and 7.856.

To learn more on triangles: brainly.com/question/25813512

#SPJ1

4 0
2 years ago
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