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4 years ago

Shade the model to 0.5 x 0.3

Mathematics

2 answers:

Gala2k [10]4 years ago

8 0

I hope this helps you

stellarik [79]4 years ago

6 0

What model? also it would be 1/2 and 1/3

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Please help In which table does y vary directly with x?

grigory [225]

Answer:

Table D

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Verify each case

Table A

For x=1, y=3

Find the value of k

$k=y/x$ -----> $k=3/1=3$

For x=2, y=9

Find the value of k

$k=y/x$ -----> $k=9/2=4.5$

the values of k are different

therefore

The table A not represent a direct variation

Table B

For x=1, y=-5

Find the value of k

$k=y/x$ -----> $k=-5/1=-5$

For x=2, y=5

Find the value of k

$k=y/x$ -----> $k=5/2=2.5$

the values of k are different

therefore

The table B not represent a direct variation

Table C

For x=1, y=-18

Find the value of k

$k=y/x$ -----> $k=-18/1=-18$

For x=2, y=-9

Find the value of k

$k=y/x$ -----> $k=-9/2=-4.5$

the values of k are different

therefore

The table A not represent a direct variation

Table D

For x=1, y=4

Find the value of k

$k=y/x$ -----> $k=4/1=4$

For x=2, y=8

Find the value of k

$k=y/x$ -----> $k=8/2=4$

For x=3, y=12

Find the value of k

$k=y/x$ -----> $k=12/3=4$

All the values of k are equal

therefore

The table D represent a direct variation or proportional relationship

The linear equation is $y=4x$

6 0

3 years ago

Read 2 more answers

Several friends each had 2/5 of a bag of peanuts left over from the baseball game. They realize that they could have bought 2 fe

pishuonlain [190]

..................................

6 0

4 years ago

What fraction is equal to 2/5 4/7,4/10,6/9

Julli [10]

4/10 is equal to 2/5 because if you reduce 4/10 you get 2/5 which shows that they are equal.

7 0

3 years ago

5x-4=3x-6 Solve equation. PLEASE HELP ASAP

n200080 [17]

Answer:

$5x - 4 = 3x - 6 \\ 5x - 3x = 4 - 6 \\ 2x = - 2 \\ \frac{2x}{2} = \frac{ - 2}{2} \\ x = - 1$

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3 years ago

Select the correct answer. emily wants to find the number that appears in the middle of a set of 25 numbers arranged in ascendin

Igoryamba

The correct answer is option (C) median.

The median will help Emily to find the number that appears in the middle of the 25 numbers that are arranged in ascending order.

<h3>What is the mean, median and mode? </h3>

The mean, median, and mode are the three most commonly used measures of central tendency for populations that do not have much data, that is, they do not need to be grouped.

The mean, also known as average, is the value obtained by dividing the sum of a cluster of numbers by the number of them.

When arranging the numbers from least to largest, the median sits exactly in the middle of the values that are above. The median is a set that is a value that is in the middle of the other values.

The number that appears most frequently in a set of numbers is called the mode.

So, The median will help Emily to find the number that appears in the middle of the 25 numbers that are arranged in ascending order.

To learn more about central tendency, visit: brainly.com/question/28101345

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4 0

1 year ago