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Goryan [66]
3 years ago
4

The formula to determine energy is uppercase E = one-half m v squared. What is the formula solved for v? V = plus-or-minus Start

Root StartFraction m Over 2 uppercase E EndFraction EndRoot v = 2 uppercase E minus m v = plus-or-minus StartRoot 2 uppercase E minus m EndRoot v = plus-or-minus StartRoot StartFraction 2 uppercase E Over m EndFraction EndRoot
Mathematics
1 answer:
bearhunter [10]3 years ago
0 0

Answer:

Step-by-step explanation:

The formula for energy us given as

E=½mv²

This change of formula question, we want to make v the subject of the formula

E=½mv²

Multiply the right and side and the left hand side by 2 to eliminate the ½

2×E= 2×½ mv²

Then, we have

2E=mv²

Divide both side of the equation by m to eliminate m

2E/m=mv²/m

So we have

2E/m=v²

Now take the square of both side of the equation to eliminate square of v

±√(2E/m)=√v²

±√(2E/m)=v

Then,

v=±√(2E/m)

The last option is the correct option

v = plus-or-minus StartRoot StartFraction 2 uppercase E Over m EndFraction EndRoot

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Andrej [43]

Answer:

The probability of the customer selecting both items is 0.04.

Step-by-step explanation:

The complete question is:

The probability that a customer selects a pizza with mushrooms or pepperoni is 0.45, and the probability that the customer selects only mushrooms is 0.32. If the probability that he or she selects only pepperoni is 0.17, find the probability of the customer selecting both items.

Solution:

The information provided is as follows:

P (M) = 0.32

P (P) = 0.17

P (M ∪ P) = 0.45

Compute the probability of the customer selecting both items as follows:

P(M\cup P)=P(M)+P(P)-P(M\cap P)\\\\P(M\cap P)=P(M)+P(P)-P(M\cup P)\\\\=0.32+0.17-0.45\\\\=0.04

Thus, the probability of the customer selecting both items is 0.04.

6 0
3 years ago
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Lelu [443]

Answer:

Probability distribution B

Step-by-step explanation:

Probabilities cannot be negative numbers.  This means we can exclude distributions A and C.

Probability can be a maximum of 1.0.  This means we can eliminate distribution D.  

This leaves distribution B.

We can double check by finding the sum of the distribution.  The sum of a probability distribution is 1.0.  Adding these probabilities together, we have

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Answer:

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Step-by-step explanation:

Not enough information is given to answer.

You didn't provide the list of "these" to choose from, but I can just list some potential answers I could see being an option.

3 yards = 9 feet [1 yard = 3 feet. 3 yards = 9 feet]

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3 yards = 2.7432 meters (1 yard = 0.9144 meters; 3 yards = 2.7432 meters)

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