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marta [7]
3 years ago
12

[5x - 2y = -10][3x + 6y = 66] *

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

(2,10) x=2 y=10

Step-by-step explanation:    

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Consider the function.
Licemer1 [7]

Answer:

Option 4

Step-by-step explanation:

Given function is,

f(x)=2\frac{1}{2}-3\frac{1}{3}x

Steps to get the inverse of the given function,

Step 1,

Convert the function into equation,

y=2\frac{1}{2}-3\frac{1}{3}x

Step 2,

Interchange the variables 'x' and 'y',

x=2\frac{1}{2}-3\frac{1}{3}y

Step 3,

Solve the equation for the value of y,

x-2\frac{1}{2}=-3\frac{1}{3}y

x-\frac{5}{2}=-\frac{10}{3}y

-x+\frac{5}{2}=\frac{10}{3}y

-3x+\frac{15}{2}=10y

-\frac{3}{10}x+\frac{15}{20}=y

y=-\frac{3}{10}x+\frac{3}{4}

Step 4,

Convert the equation into inverse function,

f^{-1}x=-\frac{3}{10}x+\frac{3}{4}

For x-intercepts,

Substitute y = 0,

0=-\frac{3}{10}x+\frac{3}{4}

\frac{3}{10}x=\frac{3}{4}

x=\frac{10}{4}

x=\frac{5}{2}

x=2\frac{1}{2}

Therefore, x-intercept of the inverse function is (2\frac{1}{2},0).

Option 4 will be the answer.

8 0
3 years ago
Plz help answer if you know!
Musya8 [376]

Answer:

20,500

Step-by-step explanation:

2,500 * 5 = 12,500

33,000 - 12,500 = 20,500

8 0
3 years ago
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tankabanditka [31]

Answer:

Step-by-step explanation:

(0, 9) (3, 0)

(0 - 9)/(3 - 0) = -9/3 = -3

y - 9 = -3(x - 0)

y - 9 = -3x + 0

y = -3x + 9

6 0
3 years ago
Which is a reasonable first step that can be used to solve the equation 2(x + 6) = 3(x - 4) + 5?
mart [117]

Answer:

Distribute 2 to (x+6) and 3 to (x-4)

Step-by-step explanation:

The first thing you need to do when solving an equation with parenthesis is to always simplify the expression first before solving. This makes it easier to solve the equation.

5 0
3 years ago
What’s the unit rate of 16/32
Gala2k [10]

0.5 unit per unit (or any other label)

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