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coldgirl [10]
3 years ago
10

How many solutions does the equation below have? 3x-8=-2x+9/3

Mathematics
1 answer:
allsm [11]3 years ago
5 0

Answer:

1

Step-by-step explanation:

\\ \sf\longmapsto 3x-8=-2x+\dfrac{9}{3}

\\ \sf\longmapsto 3x-8=-2x+3

\\ \sf\longmapsto 3x+2x=3+8

\\ \sf\longmapsto 5x=11

\\ \sf\longmapsto x=\dfrac{11}{5}

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Which equation best represents the data? y = –1.026x2 1016.402x – 162075 y = –1.036x2 1024.771x – 163710 y = 298.214x – 66317.66
yan [13]

Based on the items produced, and the profit yielded from those items, the best model to represent the data is y = -1.026x² + 1,016.402x - 162,075.

<h3>Which model shows the profit and items produced best?</h3><h3 />

You can find this out by testing the models using the items produced (independent or "x" value) to see if the model produces a close enough y value.

Assuming x is 100:

= -1.026x² + 1,016.402x - 162,075

= (-1.026 x 100²) + (1,016.402 x 100) - 162,075

= -$70,694.80

Assuming x is 400:

= -1.026x² + 1,016.402x - 162,075.

= (-1.026 x 400²) + (1,016.402 x 400) - 162,075.

= $80,325.80

These figures are very close to the actual y values given which makes this the best model.

Find out more on fitting models to data at brainly.com/question/11196020.

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6 0
2 years ago
1)A farmer is building a pentagon(that is 5-sided) pen to hold his animals. each side has an equal length.
MaRussiya [10]
Perimeter is the continuous line that forms the boundary of a closed geometric figure.

Perimeter of a pentagon = 5a ; where a is the length of its side.

a = 3√5  ⇒ P = 5 * 3√5 = 15√5

Perimeter of an octagon = 8a ; where a is the length of its side.

a = 3√5 ⇒ P = 8 * 3√5 = 24√5
8 0
4 years ago
Read 2 more answers
Brainly to whomever somehow solves for x. I WILL REPORT SCAMS AND UNHELPFUL "WHAT?" ANSWERS.
cestrela7 [59]

Answer:

x=\frac{33}{7}

Step-by-step explanation:

Since ED is parallel to CA, the two triangles in the figure share all 3 angles and therefore must be similar. By definition, the corresponding sides of similar polygons are in a constant proportion.

Therefore, we have:

\frac{11}{11+x}=\frac{14}{20},\\14(11+x)=20\cdot 11,\\11+x=\frac{20\cdot 11}{14},\\x=\frac{110}{7}-11=\boxed{\frac{33}{7}}

3 0
3 years ago
18/6 equivalent ratio
Anon25 [30]

Answer:

3/1  ;  9/  3  ;  36/  18

Step-by-step explanation:

Write the ratios in fractional form

Initial condition:

 

18

6

1

st  Equivalent  

→

18

÷

6

6

÷

6

=

3

1

2

nd

Equivalent  

→

18

÷

2

6

÷

2

=

9

3

3

rd

Equivalent  

→

18

×

2

6

×

2

=

36

12

Write the ratios in fractional form

Initial condition:

 

18

6

1

st

Equivalent  

→

18

÷

6

6

÷

6

=

3

1

2

nd

Equivalent  

→

18

÷

2

6

÷

2

=

9

3

3

rd

Equivalent  

→

18

×

2

6

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2

=

36

12

4 0
3 years ago
Read 2 more answers
Solve using the substitution method.
Brilliant_brown [7]

Answer:

x = 1, y = 4

Step-by-step explanation:

This is very simple

Since you have 2 equations with the same coefficient of x, just minus one equation from another:

          x + 3y = 13

       -      

          x + 2y = 9

                1y = 4

Sub y = 4 into any of the 2 equation,

x + 3(4) = 13

x + 12 = 13

x = 13 - 12

  = 1

5 0
3 years ago
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