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Angelina_Jolie [31]
3 years ago
6

Simon solve a system of equations in X & Y by substitution and get an answer of 5 equals 5 he states that the solution to th

e system is all of the points X and Y where X and Y are real number. describe Simon's error
Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

Step-by-step explanation:

although 5 = 5 implies infitely many solutions, it does not mean

that these are all points(x.y) Since the graphs of the lines are the sema, the infinitely many solutions

are the 8x,y) points which lie along the line.

although 5=5 implies many solutions, it does not mean that these are all

the points(x,y)

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3. Find x.<br> 8x - 37<br> 5x + 17<br><br><br> I really need help with this
sveticcg [70]

Answer: here is your steps Simplifying

8x + -37 = 5x + 17

Reorder the terms:

-37 + 8x = 5x + 17

Reorder the terms:

-37 + 8x = 17 + 5x

Solving

-37 + 8x = 17 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-37 + 8x + -5x = 17 + 5x + -5x

Combine like terms: 8x + -5x = 3x

-37 + 3x = 17 + 5x + -5x

Combine like terms: 5x + -5x = 0

-37 + 3x = 17 + 0

-37 + 3x = 17

Add '37' to each side of the equation.

-37 + 37 + 3x = 17 + 37

Combine like terms: -37 + 37 = 0

0 + 3x = 17 + 37

3x = 17 + 37

Combine like terms: 17 + 37 = 54

3x = 54

Divide each side by '3'.

x = 18

Simplifying

x = 18

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please solve 3 N ↓<br> ⬛<br> 9 N ↑
Mars2501 [29]

Answer:

69 because 3 is half of 6

Step-by-step explanation:

hope this helped

4 0
3 years ago
Given the data shown below, which of the following is the best prediction for
Soloha48 [4]

Answer:

The best prediction for  the number of years it will take for the population to reach 200,000 is 9.41

Step-by-step explanation:

Year     Population

1              11,920

2              16,800

3              23,300

4              33,000

5             45,750

6             64,000

y_1 =A _0 e ^{kt _1}\\y_2 = A_0 e^{k t_2}\\(t_1,y_1)=(1,11920)\\(t_2,y_2)=(2,16800)

Substitute the values

11920=A _0 e ^{k}  ---1\\16800 = A_0 e^{2k} ---2

Divide 1 and 2

\frac{11920}{16800}=\frac{e^k}{e^{2k}}\\\frac{11920}{16800}=e^{k-2k}\\ln(\frac{11920}{16800})=-k\\k=-1 ln(\frac{11920}{16800})\\k=0.3432\\A_0=y_1 e^{-k t_1}\\A_0=11920 e^{-0.3432}\\A_0=8457.5238

The exponential function that passes through the points (1, 11920) and (2, 16800) isy=8457.5238 e^{0.3432t}

Now we are supposed to find  the best prediction for  the number of years it will take for the population to reach 200,000

200000=8457.5238 e^{0.3432t}

\frac{200000}{8457.5238}=e^{0.3432t}

ln(\frac{200000}{8457.5238})=0.3432t

t = 9.41

Hence the best prediction for  the number of years it will take for the population to reach 200,000 is 9.41

6 0
4 years ago
How is tha main carecter of the rear ​
Oksana_A [137]
U spelt carecter wrong its character
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3 years ago
The perimeter of the larger rectangle is 2 meters
jenyasd209 [6]

Answer:

Step-by-step explanation:

8 0
3 years ago
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