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Shkiper50 [21]
1 year ago
8

Does this data appear to be proportional? Explain why or why not.

Mathematics
1 answer:
Artist 52 [7]1 year ago
8 0

The given data is proportional because, we get 3.15 when Quantity y is divided by Quantity x, y/x = 3.15

Given,

The data;-

Quantity x; 2 , 6 , 9 , 5 , 1

Quantity y; 6.3, 18.9, 28.35, 15.75, 3.15

We have to find the proportionality between the data set given;-

Lets see the proportionality;-

Quantity y ÷ Quantity x

6.3 ÷ 2 = 3.15

18.9 ÷ 6 = 3.15

28.35 ÷ 9 = 3.15

15.75 ÷ 5 = 3.15

3.15 ÷ 1 = 3.15

Here,

The given data is proportional because, we get 3.15 when Quantity y is divided by Quantity x, y/x = 3.15

Learn more about proportionality here;

brainly.com/question/29247352

#SPJ1

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Please help me thank you.
Alexxandr [17]

Answer:

B

Step-by-step explanation:

3      -4    |   2

0      -1     |   7

3/2    -2    |   1

R1/3 ----> R1  (divide Row 1 by 3)

1       -4/3    |  2/3

0        -1      |   7

3/2      -2     |   1

R3 - 3/2  R1 -------> R3 (multiply Row 1 by 3/2 and subtract it from Row 3)

1      -4/3    |   2/3

0       -1      |    7

0       0      |    0

R2 / -1 -------> R2 (Divide Row 2 by -1)

1      -4/3   |  2/3

0        1     |   -7

0        0    |   0

R1 + 4/3 R2 --------> R1 (Multiply Row 2 by 4/3 and add it to Row 1)

1     0     |   -26/3

0    1      |      -7

0    0     |      0

5 0
3 years ago
What is the value of x in the equation 3x-5=1/2x+2x
creativ13 [48]

Answer:

10

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x−5=

1

2

x+2x

3x+−5=

1

2

x+2x

3x−5=(

1

2

x+2x)(Combine Like Terms)

3x−5=

5

2

x

3x−5=

5

2

x

Step 2: Subtract 5/2x from both sides.

3x−5−

5

2

x=

5

2

x−

5

2

x

1

2

x−5=0

Step 3: Add 5 to both sides.

1

2

x−5+5=0+5

1

2

x=5

Step 4: Multiply both sides by 2.

2*(

1

2

x)=(2)*(5)

x=10

4 0
3 years ago
What is the slope of the line that contains the points (-1,9) and (5,21)
geniusboy [140]
Y-y
——-
X-x

21-9=12
5-(-1) =6
So the answer is D
7 0
3 years ago
A jar contains n nickels and d dimes. There are 28 coins in the jar,and total value of the coins is $2.20. How many nickels and
Harman [31]
N + d = 20 (there are a total of 20 nickels and dimes).05n + .1d = 1.4 (total change equals $1.40)
7 0
3 years ago
What is the positive solution of x square minus 36 equals 5x
777dan777 [17]
Answer:

<span>⇒x=9</span> (positive solution)

Explanation:

<span><span>x2</span>−36=5x</span>

<span>→<span>x2</span>−36−5x=0</span>

Factor the expression:

We get:

<span><span>(x−9)</span><span>(x+4)</span>=0</span>

First solution:

<span>⇒<span>(x−9)</span>=<span>0<span>x+4</span></span></span>

<span>⇒<span>(x−9)</span>=0</span>

<span>⇒x=<span>9</span></span>

3 0
3 years ago
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