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ololo11 [35]
4 years ago
11

Convert 4.22g/cm to lbs/ft

Mathematics
2 answers:
astraxan [27]4 years ago
8 0
0.009303507lbs and 0.1384514ft
dolphi86 [110]4 years ago
5 0
<span>4.22g / 1cm³ </span>

<span>0.0093035074564 lbs/ 1cm³ - First i convert the g to lbs </span>

<span>1cm³ = 0.032808399³ft - I took the equivalent of 1cm to 1ft which is 0.032808399 </span>

<span>1cm³ = 0.000035314666882523470745199ft³ - then I cubed that equivalent </span>

<span>0.0093035074564 lbs / 0.000035314666882523470745199ft³ now it's in lbs per ft³ in crazy decimals so you divide it with a calculator (if it fits that many digits) </span>

<span>= 263.45lbs/ft³</span>
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Answer:

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Step-by-step explanation:

Here, sides b=7 and c=3

Also, Angle B=60

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sin rule says,

\frac{a}{sinA}  = \frac{b}{sinB}  = \frac{c}{sinC} \\  \frac{a}{sinA}  = \frac{7}{sin60}  = \frac{3}{sinC}  \\ \frac{7}{sin60}  = \frac{3}{sinC}  \\ sinC = \frac{3}{7} \: sin60 = 0.3711537445 \\  \\ C =  21.78

cosine rule says,

{a}^{2}  =   {b}^{2}  +  {c}^{2}  + 2bc  \: cos(B) \\ {a}^{2}  =   {7}^{2}  +  {3}^{2}  + 2(7)(3)  \: cos(60) \\ {a}^{2}  =   49 +  9 + \:21 = 79 \\ a = 8.88

7 0
3 years ago
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7 0
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