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Anuta_ua [19.1K]

3 years ago

13

Coefficient variables and power?

1 answer:

dedylja [7]3 years ago

4 0

The coefficient is 1, as there is only 1 lot of the y^4
The variable is y as this number could have different separate values
The power is 4 as y^4 means you are multiplying y by itself four times

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P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?

icang [17]

$P(A U B) = P(A) +P(B) - P(AB) \\ \\ = \frac{7}{20} +\frac{3}{5} - \frac{21}{100} \\ \\ = \frac{35}{100} +\frac{60}{100} - \frac{21}{100} \\ \\ =\frac{74}{100} \\ \\ =\frac{37}{50}$

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A train 182m long takes 14sec to cross a signal post .calculate speed in km/hr

lilavasa [31]

$3600 \times 26 = 93600$

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3 years ago

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Natasha2012 [34]

Answer:

Step-by-step explanation:

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Grandma uses 2/3 of a pumpkin to make a pumpkin pie. How many pumpkins should she buy to make 4 pumpkin pies?

Pachacha [2.7K]

she needs to use 8/12 of pumpkins

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2 years ago

Lindsey earns $15 per hour for the first 40 hours she works in a week and 50% more for every hour over 40. How many hours did Li

solmaris [256]

Answer:

E. 55 hours.

Step by step:

Multiple $15x40, equals $600

Subtract $600 from $937.50, equals $337.50

50% more over 40 hours is $22.50

Divide $337.50 by $22.50, equals 15

Add 15 to 40, equals 45

So she worked 55 hours to get paid $937.50

7 0

3 years ago