The mistake Jadyn made in the long division is
- Mistake in subtraction
- the first quotient
<h3>What is long division ?</h3>
Long division refers to a way of dividing large numbers
performing the long division correctly gives
divisor dividend quotient multiplication subtraction new dividend
8 335 40 8 * 40 = 320 335 - 320 15
8 15 1 8 * 1 = 8 15 - 8 7
8 70 0.8 8 * 8 = 64 70 - 64 6
8 60 0.07 8 * 7 = 56 60 - 56 4
8 40 0.005 8 * 5 = 40 40 - 40 0
The quotient is then added as
40 + 1 + 0.8 + 0.07 + 0.005 = 41.875
Learn more about long division here:
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This is a question of resolving the forces in question into horizontal and vertical and then finding the action of the resultant force.
The first force acts at an angle less than 90° and thus its resolved forces are positive. The second force acts at angle larger than 90° and is incident and thus its horizontal value is positive while its vertical value is negative.
Therefore;
For force of 300 N at 30°;
Horizontal value = 300*Cos 30 = 259.81 N
Vertical value = 300*Sin 30 = 150 N
For 150 N at 135°;
Horizontal value = 150*Cos (180-135) = 106.07 N
Vertical value = -150*Sin (180-135) = -106.07 N
Then,
Resultant horizontal value = 259.81+106.07 = 365.88 N
Resultant vertical value = 150-106.07 = 43.93 N
Therefore,
Resultant force, v = Sqrt (365.88^2+43.93^2) = 368.51 N
Angle of action measured from horizontal = tan ^-1(43.93/365.88) 6.85°
Then,
v = 368.51 N at 6.85° from horizontal
Answer:
x = 1
Step-by-step explanation:
Firstly, look at the left hand of the equation
1/0.001 = 1000 = 10^3
then
10^3x = 1000= 10^3
then
10^3x = 10^3
then
x= 1
Answer:
Step-by-step explanation:
A geometric mean is just ![\sqrt[n]{term one * term two * term three * etc.}](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7Bterm%20one%20%2A%20term%20two%20%2A%20term%20three%20%2A%20etc.%7D)
, where n is the number of terms.
i.e. Geometric mean of 5, 6, 7: there are three values, so the mean is ![\sqrt[3]{5*6*7}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B5%2A6%2A7%7D)
Answer:
4
Step-by-step explanation:
r^-7*r^4=r^-7+4=r^-3=1/r^3
