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ycow [4]
2 years ago
14

Dayton writes the expression n2+4n+1 for the number of squares used to make the nth figure in the pattern shown. Drag statements

to the table to explain what each term in his expression tells you about the figure. Math item stem image CLEAR CHECK Term What this term tells you about the figure n2 4n 1
Mathematics
1 answer:
mixer [17]2 years ago
5 0

well that took alot of guesses...

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Electrical resistance ina wire is directly proportional to its length and inversely proportional to the square of its diameter.
LenaWriter [7]
Initial Conditions:

length=L= 10 cm = (10*10⁻²)m
Diameter=D= 2 cm= (2*10⁻²)m
Radius= r= 0.01m
Area=A= π*r²/2 =1.57*10⁻⁴ m²

Resistance=R= 600 ohm
 
So, from initial conditions we find resistivity(р)
                                       R=рL/A
                                       R*A /L=р
                                      (600)*(1.57*10⁻⁴)/(10*10⁻²)=р
                                       р=0.942 Ω m
<span>As, material remains same so resistivity(p) doesn't change

 </span>Lenght= L1= 15 fm= 15*10⁻¹⁵ m
Diameter= D1 = 5 cm= 5*10⁻² m
Radius= r= 0.025 m
Area= A1= π*r²/2 =9.8125*10⁻⁴ m²
                                               R=р*L1/A1
                                               R=(0.942 )*(15*10⁻¹⁵ )/(9.8125*10⁻⁴)
                                               R=1.44*10⁻¹¹ Ω
3 0
3 years ago
In XYZ, X = 57 cm, z = 54 cm and ZZ=112°. Find all possible values of ZX, to the<br> nearest degree
Alik [6]

Answer:

No Possible Triangles

Step-by-step explanation:

Deltamath

7 0
2 years ago
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Is y=9x proportinal?
igor_vitrenko [27]

Answer:

yeah it is

y is directly proportional to x

proportionality constant is 9

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3 years ago
Find the following right triangle, find the side length x
Kazeer [188]

Answer:

x=41

Step-by-step explanation:

9²+40²=x²

81+1600=x²

1681=x²

√1681=√x²

41=x

8 0
2 years ago
The beam from a lighthouse is visible for a distance of 14 mi. To the nearest square mile, what is the area covered by the beam
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Idk but I need points so here u go
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