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denis23 [38]
3 years ago
11

Can anyone walk me through this?

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer:

n=-6

Step-by-step explanation:

2(n+5)=-2

distribute the 2 to the numbers in the parentheses:

2n+10=-2

Get the n factor alone, subtract 10 from both sides:

2n=-12

Now you just want the n alone so you are going to use the inverse operation on 2n to both sides: 2n/2=-12/2

n=-6

If you need any other help i would be glad to assist.

Fiesta28 [93]3 years ago
6 0

Assuming that we are solving in terms of n.


Start by distributing:

2(n + 5)

(2*n) + (5*2)

2n + 10 = -2


Subtract 10 to start toward isolating your variable:

2n = -12


Divide by two to finish solving:

n = -6

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2 years ago
The graph is <br> A. Neither even nor odd<br> B.odd<br> C.even<br> D. Symmetrical about the y axis
dybincka [34]

Answer:

Odd

Step-by-step explanation:

The function is odd because cubic functions are always odd.

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2 years ago
At 3pm, the length of the shadow of a thin vertical pole standing on level ground is the same as the height of the pole. A while
aliya0001 [1]

Answer: The height of the pole is 175.97 ( approx )

Step-by-step explanation:

Let the height of the pole is x cm,

Also, let the angle of elevation of the sun to the pole at 3 pm is \theta

Thus, by the question,

tan\theta = \frac{\text{ The height of the pole}}{\text{ The height of the shadow}}

\implies tan\theta = \frac{x}{x}    ( at 3pm the height of shadow = height of the pole)

\implies tan\theta = 1

\implies \theta = 45^{\circ}

Again, according to the question,

When the angle of elevation is   (\theta - 12^{\circ}),

The height of shadow = x + 95,

\implies tan(45-12)^{\circ}=\frac{x}{x+95}

\implies tan 33^{\circ}=\frac{x}{x+95}

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\implies -0.3505924068 x = - 61.6937213538

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3 years ago
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Answer:

Parallel

Step-by-step explanation:

In the slope-intercept form (y=mx +c), the coefficient of x tells us the slope of the line.

2x +8y= 56

Let's rewrite this equation into the slope-intercept form.

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Dividing both sides by 8:

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