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3 years ago

N/6+2=-8 how do i solve this problem?

2 answers:

8 0

First, subtract 2 from both sides to isolate the variable and you get n/6=-10. Then, since the variable is in a fraction which also means it is being divided, you undo it with multiplication, so multiply both sides by 6 to get n=-60

steposvetlana [31]3 years ago

7 0

N/6+2 = -8

N/6+2-2 = -8-2

N/6 = -10

N/6*6 = -10*6

N = -60

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Line E passes through the points (2, 3) and (4, -3). What is the slope of a line perpendicular to line E?

lilavasa [31]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ 2 &,& 3~) 
% (c,d)
&&(~ 4 &,& -3~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-3-3}{4-2}\implies \cfrac{-6}{2}\implies \cfrac{-3}{1}$

now, a line perpendicular to that one, will have a "negative reciprocal" slope, thus

$\bf \textit{perpendicular, negative-reciprocal slope for}\quad \cfrac{-3}{1}\\\\
negative\implies +\cfrac{3}{ 1}\qquad reciprocal\implies +\cfrac{ 1}{3}\implies \cfrac{1}{3}$

7 0

3 years ago

HELP WILL GIVE BRAINLIEST FOR ANSWER QUICKLY PLEASE HELP

Helen [10]

Answer:

We have sinθ = 12/13

The method here is to figure out the value of θ

Using a calculator sin^(-1)(12/13) =67.38°

67.38° is in quadrant 1 so we must substract 67.38° from 180° wich is π

180-67.38= 112.61° ⇒ θ= 112.61°

Now time to calculate cos2θ and cosθ using a calculator

cosθ = -5/13
cos2θ = -0.7

The values we got make sense since θ is in quadrant 2 and 2θ in quadrant 3

5 0

3 years ago

−3n+2≥−4n−3 solution

nydimaria [60]

Answer:

n≥-5

Step-by-step explanation:

-3n+2≥-4n-3

add 4n on both sides

n+2≥-3

subtract 2 on both sides

n≥-5

4 0

3 years ago

Read 2 more answers

Evaluate function at the given value using the remainder theorem.

garik1379 [7]

Answer:

Step-by-step explanation:

$f(a)=a^4-2a^3 -10a^2 -7a \\\\f(-2) = (-2)^4-2(-2)^3 -10(-2)^2 -7(-2)\\\\~~~~~~~~~=16-2(-8)-10(4)+14\\\\~~~~~~~~~=30+16-40\\\\~~~~~~~~~=46-40\\\\~~~~~~~~~=6$

5 0

2 years ago

Put these numbers in order from least to greatest.<br> -15-26/40, -15, 18/25, 15.85

Norma-Jean [14]

-15 26/40=<span>-15.65
-15
18/25=0.72
15.85
so From least to greatest
-15.65, -15, 0.72, and 15.85

</span>

6 0

3 years ago