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kipiarov [429]
2 years ago
5

Solve using elimination x-2y=12 and 5x+3y=-44 * (4,8) (-4,8) (4,-8) (-4,-8)

Mathematics
1 answer:
MrMuchimi2 years ago
8 0

Step-by-step explanation:

( x-2y=12)5

5x-10y=60

- 5x+3y=-44

____________

13y=-104

y=-104/13

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He following formula is used in economics to find a factory's unit labor cost UUU, where OOO is the hourly output per worker and
Vilka [71]

Answer:

W = O/U

Step-by-step explanation:

U/1 = O/W

WU=O

W = O/U

4 0
3 years ago
Find (f – g)(x) if f(x) = 2x – 3 and g(x) = 4x + 8.
Aleks04 [339]

f(x) - g(x) = 2x-3 -(4x+8)

              = 2x-3 -4x-8

               = -2x-11

4 0
3 years ago
- f(x) = 4(x + 3)2 +1<br>Find f(-9).<br>​
Xelga [282]

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7 0
3 years ago
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What is the simplest form of the expression 2x(x â’ 6) â’ 7x2 â’ (13x â’ 3)? A. 5x2 â’ 25x 3 B. -5x2 â’ 25x 3 C. -5x2 x 3 D. -5x
kobusy [5.1K]

The simplest form of the given expression can be written as -5x² + 25x - 3.

The given parameters:

2x(x + 6) - 7x²  + (13x - 3)

The given expression can be simplified as follows;

2x(x + 6) - 7x² +  (13x - 3)

= 2x² + 12x -  7x² + 13x - 3

<em>collect similar terms together</em>

= (2x² - 7x²)  + (12x + 13x) - 3

= -5x² + 25x - 3

Thus, the simplest form of the given expression can be written as -5x² + 25x - 3.

Learn more about simplification of algebras here: brainly.com/question/432678

7 0
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Based on the scatterplot, which equation BEST represents the relationship between velocity and time?
lutik1710 [3]

The line of best-fit that represents the relationship between velocity and time is:

v = 2.19t + 6.7.

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

For this problem, the points (t,v) are given as follows:

(0, 6.1), (2.1, 12.2), (5.3, 17.4), (8.2, 26.4), (10, 28.1), (12.1, 32.8).

Hence, inserting these points into a calculator, the equation is given by:

v = 2.19t + 6.7.

More can be learned about a line of best-fit at brainly.com/question/22992800

#SPJ1

3 0
1 year ago
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