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Aneli [31]
2 years ago
15

Using the table, what is the cost of the luxury items?

Mathematics
1 answer:
mina [271]2 years ago
6 0

Answer:$108.94

Step-by-step explanation:

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Find all solutions to the equation.<br><br> 7 sin2x - 14 sin x + 2 = -5
cestrela7 [59]

\bf 7sin^2(x)-14sin(x)+2=-5\implies 7sin^2(x)-14sin(x)+7=0 \\\\\\ \stackrel{\textit{notice, this is just }ax^2+bx+c}{\stackrel{\stackrel{ax^2}{\downarrow }}{sin^2(x)}\stackrel{\stackrel{bx}{\downarrow }}{-2sin(x)}\stackrel{\stackrel{c}{\downarrow }}{+1}}=0\implies [sin(x)-1][sin(x)-1]=0 \\\\\\ sin(x)-1=0\implies sin(x)=1\implies \measuredangle x=sin^{-1}(1)\implies \measuredangle x=\cfrac{\pi }{2} \\\\\\ ~~~~~~~~~~~~~~\stackrel{\textit{and for all solutions using }n \in \mathbb{Z}}{\cfrac{\pi }{2}+2\pi n}

7 0
3 years ago
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7f/z

Step-by-step explanation:

mat h wAyz

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3 years ago
@Texischic101 Write 987% in decimal form.<br> A) .0987 <br> B) .987 <br> C) 9.87 <br> D) 98.7
torisob [31]

The decimal form of 987% is 0.987.

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Mr. green is putting lights around 8 windows; each window is 1 and a half metres wide and 2 metres long. how many metres of ligh
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8 0
3 years ago
1. Is (6,7) a solution to the inequality y&gt; 2x - 5?
Zolol [24]

Answer:

\fbox{\begin{minipage}{8em}Not a solution\end{minipage}}

Step-by-step explanation:

<em>Step 1: Consider the assumption:</em>

Generally, (6, 7)) is supposed to be the pair of 2 components, in which, the first component is x-component (domain), the second component is y-component (range).

Hence, x = 6, y = 7

<em>Step 2: Substitute </em>x<em> and </em>y<em> into the inequality</em>

       y > 2x - 5

<=>  7 > 2*6 - 5

<em>Step 3: Simplify</em>

<=>  7> 12 - 5

<=>  7 > 7

<em>Step 4: Evaluate</em>

Invalid

Reason: 7 = 7

<em>Step 5: Conclude</em>

(6, 7) is not a solution to the inequality y > 2x - 5

Hope this helps!

:)

       

7 0
3 years ago
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