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2 years ago

Apply the distributive property to create an equivalent expression. 1/5 (15+10k) =

Mathematics

2 answers:

Cerrena [4.2K]2 years ago

8 0

Answer:

3+2k

Step-by-step explanation:

khan said so

ziro4ka [17]2 years ago

5 0

Answer:

1/5(15+10k)

=1/5.15+1/5.10k

=3+2k

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16 divided by a number minus four is 40

Nastasia [14]

Answer:

16/x - 4 = 40

16/x = 44

16 = 44x

16/44 = 44x

Hope this helps! pls rate me!

Step-by-step explanation:

8 0

3 years ago

A simple linear regression analysis was conducted to predict the Exam 3 score of students in STA 2023 based on their Exam 1 scor

Katena32 [7]

Answer:

Option A) As the Exam 1 score increases by 1 point, the student's Exam 3 grade will increase, on average, by 0.4845 points.

Step-by-step explanation:

We are given the following in the equation:

A simple linear regression analysis was conducted to predict the Exam 3 score of students in STA 2023 based on their Exam 1 score.

Thus, Exam 3 score becomes the dependent variable and exam 1 score is the independent variable.

The regression equation is given by:

$\hat{y} = 50.57+0.4845x$

Comparing the equation to a linear equation:

$y = mx + c$

m = 0.4845

c = 50.57

Where m is the slope and tells the rate of change and c is the y intercept that is the value of y when x is 0.

When, there is a increase in x, we can write:

$\hat{y}(x) = 50.57+0.4845x\\\hat{y}(x+1) = 50.57+0.4845(x+1)\\\hat{y}(x+1) - \hat{y}(x) = 50.57+0.4845(x+1)-(50.57+0.4845x)\\\hat{y}(x+1) - \hat{y}(x) = 0.4845$

Thus, the slope of equation can be interpreted as:

Option A) As the Exam 1 score increases by 1 point, the student's Exam 3 grade will increase, on average, by 0.4845 points.

5 0

3 years ago

I'd the ratio 25 to 16 proportional to the ratio 5 to 4 explain

Arturiano [62]

Yes, 5:4 is the simplified form of 25:16. 25 divided by 5 is 5 (the lowest possible number it can be made into). 16 divided by 4 is 4 (also the lowest possible number it can be made into).

4 0

2 years ago

Karen took out a loan for $725 with a 2.5% interest rate that is compounded annually. No additional money will be deposited or w

Serga [27]

Answer:

$29

Step-by-step explanation:

You divide 2.5 by 100 the you multiply that by 725 and sense its months it would be converted to 1.6 so you multiply 725 1.6 and the answer to 2.5 divide by 100

4 0

2 years ago

What is the absolute value

Masteriza [31]

The absolute value is the magnitude of a number. In other words, how far from 0 it is. All the does is make the number positive, but since 11/4 is already positive, the answer is just 11/4.

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3 years ago