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deff fn [24]
3 years ago
10

If L = 1/2(P - 2W), solve for p in terms of L and W (Show your work.) helpp im stuckk

Mathematics
2 answers:
skad [1K]3 years ago
8 0

Answer:

P = 2L + 2W

Step-by-step explanation:

L = ½ (P − 2W)

Multiply both sides by 2.

2L = P − 2W

Add 2W to both sides.

2L + 2W = P

Aloiza [94]3 years ago
7 0

Answer:P = 2L + 2W

Step-by-step explanation:

The given equation is expressed as

L = 1/2(P - 2W),

We want to solve for p in terms of L and W.

The first step would be to multiply the left hand side and the right hand side of the equation. It becomes

L × 2 = 1/2(P - 2W) × 2

2L = P - 2W

The next step would be to add 2W to the left hand side and the right hand side of the equation. It becomes

2L + 2W = P - 2W + 2W

P = 2L + 2W

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A bucket that weighs 5 lb and a rope of negligible weight are used to draw water from a well that is 60 ft deep. The bucket is f
mestny [16]

Answer:

The value is W= 2640 \  ft \cdot lb

Step-by-step explanation:

From the question we are told that

The weight of the bucket is F =  5 lb

The depth of the well is x_1 =  60 \ ft

The weight of the water is W_w  =  42 lb

The rate at which the bucket with water is pulled is v  = 1.5 \  ft/s

The rate of the leak is r = 0.15 lb/s

Generally the workdone is mathematically represented as

W =  \int\limits^{x_1}_{x_o} {G(x)} \, dx]

Here G(x) is a function defining the weight of the system (water and bucket ) and it is mathematically represented as

G(x) =  F  +  (W_w- Ix)

Here I is the rate of water loss in lb/ft mathematically represented as

I  = \frac{r}{v}

=> I  = \frac{0.15 }{1.5 }

=> I  = 0.1

So

G(x) =  5  +  (42- 0.1x)

=> G(x) =  47- 0.1x)

So

W =  \int\limits^{60}_{0} {47- 0.1x} \, dx]

=> W =  [47x - \frac{0.1x^2}{2} ]|\left 60} \atop {0}} \right.

=> W= [47(60) - 0.05(60)^2]

=> W= 2640 \  ft \cdot lb

7 0
3 years ago
To play the lottery in a certain state, a person has to correctly select 5 out of 45 numbers, paying a $1 for each five-number s
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There are 45 numbers out of which 5 numbers are required to win an enormous sum of money

No of ways  in which 5 numbers can be selected out of 45 numbers.

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P=\frac{1}{1221759}

When 100 different tickets are bought then

Probability of winning: \frac{100}{1221759}

Probably of winning≈0,000082

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

P.S. Hello from Russia :^)

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Westkost [7]
27 and 36


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