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anyanavicka [17]
3 years ago
13

Determine whether the relation is a function. find the domain and range

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0
What’s the question
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How do you write four and 13 twentyeths as a decimal
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4.65
13 ÷ 20 is 0.65, just add the 4
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Please I need someone to help my assignment​
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1) 20: 25

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Step-by-step explanation:

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If m <1= 36 what is the measure of its complement?
Vlada [557]
If A represents an angle, its complement is 90-A.

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The box plots below show the lifespan, in months, of laptop batteries manufactured by four companies:
melomori [17]

I see 2 answers here. Company C and D at 8 months... (Companies A and B at 5 months)

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8 0
2 years ago
[20points][Precal] Find the cross product of -(3/4)V and (1/2)w if v = &lt;-2, 12, -3&gt; and w = &lt;-7, 4, -6&gt;
Lana71 [14]
\mathbf v=\langle-2,12,-3\rangle=-2\,\vec i+12\,\vec j-3\,\vec k
-\dfrac34\mathbf v=\dfrac32\,\vec i-9\,\vec j+\dfrac94\,\vec k

\mathbf w=\langle-7,4,-6\rangle=-7\,\vec i+4\,\vec j-6\,\vec k
\dfrac12\mathbf w=-\dfrac72\,\vec i+2\,\vec j-3\,\vec k

-\dfrac34\mathbf v\times\dfrac12\mathbf w=\begin{vmatrix}\vec i&\vec j&\vec k\\\frac32&-9&\frac94\\-\frac72&2&-3\end{vmatrix}
=\left((-9)\times(-3)-\dfrac94\times2\right)\,\vec i-\left(\dfrac32\times(-3)-\dfrac94\times\left(-\dfrac72\right)\right)\,\vec j+\left(\dfrac32\times2-(-9)\times\left(-\dfrac72\right)\right)\,\vec k
=\dfrac{45}2\,\vec i-\dfrac{27}8\,\vec j-\dfrac{57}2\,\vec k=\left\langle\dfrac{45}2,-\dfrac{27}8,-\dfrac{57}2\right\rangle
6 0
3 years ago
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