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3 years ago

Someone please help me

Mathematics

2 answers:

AysviL [449]3 years ago

6 0

Answer:

$51.05

Step-by-step explanation:

In order to compare these, you would need to multiply the 5 gallon to match the 25 gallon. in which you would multiply by 5. because you multiplied the 5, you also need to multiply the 11. when you multiply 11 by 5 its 55. so your total comparison would be $55 for 25 gallons vs $51.05 for 25 gallons. Obviously the cheaper one is better.

creativ13 [48]3 years ago

6 0

Answer:

The second deal is better. It is $2.042 per gallon

Step-by-step explanation:

$11/5 and 51.05/25 are the deals.

Let's multiply the first deal by 5/5.

That is $55 per 25 gallons and the other deal is $51.05 per 25 gallons.

So the second deal is better.

Now lets divide 51.05 by 25 to find out how much dollars per gallon

51.05 / 25 = 2.042, so it is $2.042 per gallon.

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The difference between the observed value of the dependent variable and the value predicted using the estimated regression equat

Elenna [48]

Answer:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

$(x_1, y_1) ,....,(x_n,y_n)$

For this case we assume that we want to find a linear regression model given by:

$\hat y = \hat m x +\hat b$

Where:

$\hat m$ represent the estimated slope for the model

$\hat b$ represent the estimated intercept for the model

And for any estimation of the dependent variable $\hat y_i , i=1,...,n$ is given by this model.

The difference between the observed value of the dependnet variable and the value predicted using the estimated regression equation is known as residual, and the residual is given by this formula:

$e_i = y_i -\hat y_i , i=1,...,n$

So the best option for this case is:

d. residual

Step-by-step explanation:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

$(x_1, y_1) ,....,(x_n,y_n)$

For this case we assume that we want to find a linear regression model given by:

$\hat y = \hat m x +\hat b$

Where:

$\hat m$ represent the estimated slope for the model

$\hat b$ represent the estimated intercept for the model

And for any estimation of the dependent variable $\hat y_i , i=1,...,n$ is given by this model.

$e_i = y_i -\hat y_i , i=1,...,n$

So the best option for this case is:

d. residual

7 0

3 years ago

If you spend 14 dollars what will you get back

sweet-ann [11.9K]

you have to subtract 14 to the total cost to see how much you get back, use a calculator next time.

4 0

4 years ago

In 1742, Christian Goldbach conjectured that every even number greater than 2 can be written as the sum of two prime numbers. Ma

mezya [45]

The Goldbach's conjecture is true for each of the following even numbers.

(a) 19+5

(b) 43+7

(d) 139+5

(e) 199+11

(f) 257+7

<h3>What is Goldbach's conjecture?</h3>

One of the most well-known and enduring open questions in number theory and all of mathematics is Goldbach's conjecture. It says that the sum of two prime numbers is the even natural number higher than two.

<h3>According to the given information:</h3>

A. 24 can be expressed as:

24 = 19 + 5

B. 50 can be expressed as:

50 = 43 + 7

C. 86 can be expressed as:

86 = 83 + 3

D. 144 can be expressed as:

144 = 139 + 5

E. 210 can be expresses as:

210 = 199 + 11

F. 264 can be expresses as:

264 = 257 + 7

The Goldbach's conjecture is true for each of the following even numbers.

(a) 19+5

(b) 43+7

(d) 139+5

(e) 199+11

(f) 257+7

To know more about Goldbach's conjecture visit:

brainly.com/question/13193113

#SPJ4

I understand that the question you are looking for is:

In 1742, Christian Goldbach conjectured that every even number greater than 2 can be written as the sum of two prime numbers. Many mathematicians have tried to prove or disprove this conjecture without succeeding. Show that Goldbach’s conjecture is true for each of the following even numbers.

a. 24,

b. 50,

c. 86,

d. 144,

e. 210,

f. 264

7 0

2 years ago

IM STUCK ON THIS QUESTION RIGHT NOW OFFERING 10 POINTS plsssss don't guess for points

garik1379 [7]

Answer:

Step-by-step explanation:

So you just need to find 7 + what is equal to 63. To find this we have to do inverse operation, which means the opposite operation. So, we do 63-7 which is equal to 56. Therefore, the solution to the equation, or x is equal to 56 (C).

Hope this helps !!

-Ketifa

5 0

3 years ago

The 10 members of the swim team completed the following numbers of laps at today's practice.

diamong [38]

Answer:

There is ONE outlier in this problem. The outlier is 22.

Step-by-step explanation:

The outlier is 22 because for a number to be an outlier, it has to be much smaller or much larger than the other values in a set of data. 22 is very far away from the given numbers.

3 0

3 years ago