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3 years ago

3t+7=3t+6 pls help ...

Mathematics

1 answer:

posledela3 years ago

6 0

Answer:

There are no values of t that make the equation true.

No solution

Step-by-step explanation:

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in 2010, there were 40 fish in a pond. one year later, the number of fish decreased by 30%. how many fish we're in the pond in 2

Leya [2.2K]

To find the answer you turn the percent into a decimal so it is .30 instead of 30% then multiply .30 and 40 and you get your answer, 12.

6 0

3 years ago

A regression analysis between sales (in $1000) and advertising (in $) resulted in the following least squares line: Y= 32 + 8X.

goblinko [34]

Answer:

Step-by-step explanation: This is a question under linear regression analysis.

The question is trying to relate sales (in $1000) and and advertising.

Both sales and advertising are variables and are connected by the equation

Y = 32x + 8

Which is a linear regression equation of 2 variables.

Where x is the independent variable which represents advertising in this case and Y is the dependent variable which represents sales.

At $1 of adverts, we have $40 of sales.

We just simply put the fact that x = $1 (advertising) into the linear regression equation, we have the value of Y ( sales)

Y = 32(1) + 8

Y = 32 + 8

Y = $40.

3 0

3 years ago

During the 2004 senatorial campaign in a large southwestern state, illegal immigration was a major issue. One of the candidates

Alex_Xolod [135]

Answer:

The population of interest is the registered voters , this is because it is the population from which the sample size is selected from.

The population is the registered voters of the large southwestern state

Well this does not adequately represent the population because this sample where selected from only the registered voters of the large southwestern state and not the whole country

Yes the result will be nearly the same because

Both samples are selected from the same population
The size of the sample selected is sufficiently large to approximate the population

Step-by-step explanation:

From the question we are told that

The sample size is n = 5,500

Considering question a

What is the population of interest

The population of interest is the registered voters , this is because it is the population from which the sample size is selected from.

Considering question b

What is the population from which the sample was selected

The population is the registered voters of the large southwestern state

Considering question c

Does the sample adequately represent the population

Well this does not adequately represent the population because this sample where selected from only the registered voters of the large southwestern state and not the whole country

Considering question d

Yes the result will be nearly the same because

Both samples are selected from the same population
The size of the sample selected is sufficiently large to approximate the population

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3 years ago

Marie bought souvenir at the beach that is made up of a square pyramid filled with sand. The base of the pyramid has a side leng

Artemon [7]

Answer:

the answer is 48cm

Step-by-step explanation:

all you do is you times 6 by 8

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3 years ago

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Prof. okamoto selects 3 different students to report on 3 different current events. if there are 27 students in the class, in ho

kenny6666 [7]

Consider this option:
C³₂₇=27!/(3!*24!)=25*13*9=2925 ways to select 3 students.

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4 years ago