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____ [38]
3 years ago
12

Steve noticed that there were 72 lights on and 78 lights turned off.

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

Answer:

49% of the lights are on!

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CAN SOMEONE HELP ME PLS I GIBE BRAINLIST AND POINTS
QveST [7]

Answer:

184.26

Step-by-step explanation:

28.275 + 60 + 96 = 184.26

6 0
3 years ago
Find the slope of the line passing through the points(-6,-5)and (4,4)
sertanlavr [38]
\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~ -6 &,& -5~) 
%  (c,d)
&&(~ 4 &,& 4~)
\end{array}
\\\\\\
% slope  = m
slope =  m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{4-(-5)}{4-(-6)}\implies \cfrac{4+5}{4+6}\implies \cfrac{9}{10}
6 0
4 years ago
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CAN SOMEONE PLEASE HELP ME PLEASE AND THANK YOU
padilas [110]

Answer:

A.) Increasing

Step-by-step explanation:

I hope this helps you :)

5 0
4 years ago
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Which equation represents a line which is perpendicular to the line 5x + 2y = 12?
o-na [289]

Answer:

<h2>          y = ²/₅ x - 3</h2>

Step-by-step explanation:

Changing to slope-intercept form:

5x + 2y = 12         {subtract 5x from both sides}

2y = -5x + 12         {divide both sides by 2}

y = -⁵/₂ x + 6

y=m₁x+b₁   ⊥   y=m₂x+b₂   ⇔    m₁×m₂ = -1

{Two lines are perpendicular if the product of theirs slopes is equal -1}

y =-⁵/₂ x + 1    ⇒     m₁ =  -⁵/₂

-⁵/₂× m₂ = -1      ⇒   m₂ = ²/₅

So, any line perpendicular to 5x + 2y = 12 must have slope m =²/₅

7 0
3 years ago
Write an equation of a polynomial with the given characteristics: a quadratic function has x -intercepts of -3 and 1, and a y-in
fredd [130]

Answer:

f(x) = -3(x+3)(x-1)

Step-by-step explanation:

x = -3 & 1; f(x) = 9

f(x) = a(x-r1)(x-r2)

f(0) = a(x-r1)(x-r2) = 9; 9 = a(0-(-3))(0-1)

9 = a(3)(-1); 9 = a(-3)

a = -3

f(x) = -3(x+3)(x-1)

5 0
3 years ago
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