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Montano1993 [528]
3 years ago
15

Combine like terms to create an equivalent expression. 1/7 - 3 (3/7n - 2/7)

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
7 0

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>1 - 9/7n</em>

▹ Step-by-Step Explanation

1/7 - 3(3/7n - 2/7)

Remove the parentheses (Distribute -3 among the parentheses):

1/7 - 9/7n + 6/7

Calculate:

1 - 9/7n

Hope this helps!

CloutAnswers ❁

━━━━━━━☆☆━━━━━━━

zhannawk [14.2K]3 years ago
3 0

Answer:

1-9/7n

Step-by-step explanation:

\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7}  ) \\=\frac{1}{7}-\frac{9}{7}n  +\frac{6}{7} \\=\frac{1-9n+6}{7} \\=\frac{7-9n}{7}\\=1-\frac{9}{7}n

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dangina [55]

The value of the trigonometry are sin(Π-Ɵ) = 0.84 and sin(Π + Ɵ) = -0.84

According to the question, there is a circle whose radius is 1 and the ray intersects the circle at point (0.54, 0.84).

We need to find the trigonometric values, that is

 sin(Π-Ɵ) = sin(Ɵ) as we know that when the angle is in third quadrant sin is positive.

 sin(Π+Ɵ) = -sin(Ɵ) as we know that when the angle is in fourth quadrant sin is negative.

Also note that,  sinƟ = perpendicular/hypotenuse

Perpendicular = 0.84 as the perpendicular length will be equal to the length of the y-axis

Hypotenuse = 1 as the hypotenuse will be the radius of the circle which is formed by the ray.

Thus, sinƟ = 0.84/1 = 0.84

Hence, sin(Π-Ɵ) = 0.84

  And sin(Π+Ɵ) = -0.84

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1 year ago
For each value of u, determine whether it is a solution to 2+9u&lt;-16.
riadik2000 [5.3K]

Answer:

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Hope this helped

Hope this helped ALL THE BEST!!

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
I need help finding x
BigorU [14]

Answer:

The answer to your question is      x = \sqrt{50}    or x = 5\sqrt{2}

Step-by-step explanation:

To solve this problem use the Pythagorean theorem because two right triangles are formed.

                    c² = a² + b²

c = 10

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b = x     Because in a square all the sides measure the same.

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- Simplify

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                   x² = 50

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