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PIT_PIT [208]
3 years ago
9

Find the work done by the force f(x)=3x+7 in moving a particle from x=1 to x=3

Mathematics
1 answer:
andrew11 [14]3 years ago
4 0

Answer:

26

Step-by-step explanation:

W = ∫ f(x) dx

W = ∫₁³ (3x + 7) dx

W = (1.5x² + 7x) |₁³

W = (1.5(3)² + 7(3)) − (1.5(1)² + 7(1))

W = 26

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Read these sentences from the text.
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Step-by-step explanation:

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3 years ago
Find the range from 4 to -2 A. 2 B. 4 C. 6 D.-2
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<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ The range is the highest value minus the smallest value

Therefore, you just need to subtract the two values to find the values:

-2 - 4 = -6

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3 years ago
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a card is chosen at random from a deck of 52 cards. it is replaced and a second card is chosen. what is the probability of choos
serious [3.7K]
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P(2 kings) = (1/13)^2 

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3 years ago
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Here are the prices, rounded to the nearest dollar, of the most frequently purchased gifts in a gift store.
Mariulka [41]
An outlier is a datapoint outside of the first or third quartile +/- 1.5 the inter quartile range

25 33 39 40 41 41 45 46 48 49 51 52 67 73 79

46 is at the center-> median
everything left of it:
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40 at center=Q1
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IQR=Q3-Q1=52-40=12

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4 0
3 years ago
Thx to all that helped me!!! here is my last question
Leviafan [203]

Answer:

cousin: m-3

uncle: 5m

together: 6m-3

Step-by-step explanation:

if her cousin is 3 years younger, they would be m-3. since their uncle is her age times 5, he would be 5m. add those and you get 5m+m-3. combine the m's (and get 6m), then add the -3 to get 6m-3

4 0
3 years ago
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