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suter [353]
3 years ago
14

PLZZ HELPPPPPPPPPPPPPPPPPPP

Mathematics
1 answer:
KiRa [710]3 years ago
8 0
For this case what you should do is use the equation shown.
 We have then:
 n * A = 360
 Where:
 A=Angle
 n: number of divisions.
 We observe that there are eight divisions. Thus:
 n = 8
 We then clear the angle between each division
 8 * A = 360
 A = 360/8
 A = 45 degrees
 Answer:
 The measure of the angle between the mirrors is:
 
A = 45 degrees
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7 0
2 years ago
I don't know how to solve this helpp
Aleksandr-060686 [28]

neverminding the jumbled lingo, is simply asking for the equation of the tangent line at that point, it says all tangents, well, there's only one passing there.

we can simply get the derivative of f(x) and take it from there.

f(x)=4-x^2+2x\implies \left. \cfrac{df}{dx}=-2x+2 \right|_{x=\frac{3}{2}}\implies -2(\frac{3}{2})+2\implies -1

since now we know the slope when x = 3/2, then we can just plug that into its point-slope intercept form, along with the coordinates.

(\stackrel{x_1}{\frac{3}{2}}~,~\stackrel{y_1}{7})~\hfill \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{7}=\stackrel{m}{-1}(x-\stackrel{x_1}{\frac{3}{2}}) \\\\\\ y-7=-x+\cfrac{3}{2}\implies y=-x+\cfrac{17}{2}

6 0
3 years ago
If a box of clothes weighing 10 lbs (4.5 kg) and a box of books weighing 10 lbs (4.5 kg) were placed on a scale, what is most li
n200080 [17]
The scale will read 8 kgs
5 0
3 years ago
Read 2 more answers
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