Answer:
a = (rounded) 310
b = (rounded) 66.1
These two were already rounded to their designated rounding value.
a/b = (rounded) 4.69
You round up since the 3rd DP is greater than or equal to 5.
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Fractions Decimals Percents
1/4 0.25 25%
4/5 0.80 80%
3/4 0.75 75%
33/100 0.33 33%
1/10 0.10 10%
33/50 0.66 66%
1/8 0.125 12.5%
2/4 0.50 50%
Everything is put into order how it’s supposed to be on the chart! :) hope this helps you out a lot. Have a wonderful day❤️
4x^2 + 5xy - y^2 = 6
Implicitly differentiating both sides,
4(2x) + 5(x y' + y) - 2yy' = 0
where y' = dy/dx
8x + 5xy' +5y -2yy' = 0
combining y' terms
y' (5x-2y) +8x +5y = 0
y'(5x-2y) = -(8x+5y)
dy/dx = -(8x+5y)/(5x-2y)
or
dy/dx = (8x+5y)/(2y-5x)
0.78p = 2.73.....with p being the number of lbs
divide both sides by 0.78
p = 2.73 / 0.78
p = 3.5 lbs <=== ur answer
Answer:
Under 800 square feet of carpet to be cleaned: $0.53 per square foot
800 - 1,500 square feet: $0.49 per square foot
Over 1,500 square feet: $0.42 per square foot
Stairs (standard size): $4.16 each stair
