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nevsk [136]
3 years ago
6

X-3/5 = y-7/2 11x=13y

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

y = -319/20| x = 377/20

Step-by-step explanation:

/| 7/2-x-y-(3/5) = 0| -11*x-(13*y) = 0

We try to solve the equation: 7/2-x-y-(3/5) = 0

29/10-x-y = 0 // - 29/10-x

-y = -(29/10-x) // * -1

y = 29/10-x

We insert the solution into one of the initial equations of our system of equations

We get a system of equations:

/| -(13*(29/10-x))-11*x = 0| y = 29/10-x

-1*13*(29/10-x)-11*x = 0

2*x-377/10 = 0

2*x-377/10 = 0 // + 377/10

2*x = 377/10 // : 2

x = 377/10/2

x = 377/20

We insert the solution into one of the initial equations of our system of equations

For y = 29/10-x:  

y = 29/10-377/20

y = -319/20

We get a system of equations:

/| y = -319/20| x = 377/20

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sergij07 [2.7K]

Answer:

1=x

Step-by-step explanation:

because in a term f(X) is the original thing but when a number replaces it that means x = that number

4 0
4 years ago
Read 2 more answers
Find the slope and y-intercept for the two linear functions.
tankabanditka [31]

Answer: Slope of the line given in the table: m = - 0.25

Y-intercept of the line given in the table: b = -4

Slope of the line given by the equation: m = 1.5

Y-intercept of the line given by the equation: b = 1

Step-by-step explanation: <u>Slope</u> of an equation is an indication of the steepness and direction of a linear graph. It is denoted as m and it can be calculated as:

m = \frac{y_{2} - y_{1}  }{x_{2} - x_{1} }

Another way of determining the slope is as the form:

y = mx+b

<u>For the table</u>:

As in the table there are only points:

m = \frac{-3 + 2.5}{-4+6}

m = - 0.25

<u>For the function</u>:

The function is:

y = 3/2x + 1

m = 3/2

m = 1.5

<u>Y-intercept</u> is where the linear function crosses the y-axis, or when x=0. It can also be represented by the letter b.

<u>For the table</u>:

y = mx + b

According to the table, when y = -2.5, x = -6

-2.5 = - 0.25. (-6) + b

b = -2.5 - 1.5

b = -4

<u>For the function:</u>

y = 1.5x + 1

b = 1

In conclusion:

  • For the table: m = - 0.25 b = - 4
  • For the equation: m = 1.5 b = 1
8 0
4 years ago
Read 2 more answers
PERMUTATION:
horsena [70]

Answer:

28

Step-by-step explanation:

It can be a one digit no.

_

2C1 = 2 (only two even options available)

It can be a 2 digit no.

_ _

The last digit has to be even for the no. to be even.

2C1 × 4C1 = 8 (2C1 for the last digit, 4C1 for the first)

It can be a 3 digit no.

_ _ _

First digit has to be less than 5 to be less than 500, and the last digit has to be even.

1) 2/4 _ 4

2C1 × 3C1 = 6 (2C1 to choose between 2 and 4, 3C1 for the second digit)

2) 1/3 _ 2/4

2C1 × 3C1 × 2C1 = 12 (2C1 to choose between 1 and 3, 3C1 for the second digit, 2C1 to choose between 2 and 4)

Total = 2 + 8 + (6 + 12)

= 28

5 0
4 years ago
You deposit $111 and it increases by 2% per year. How much money do you have after 15 years?
Lera25 [3.4K]

Answer:

2/100=0.02

0.02*15=33.3

111+33.3

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3 years ago
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