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ch4aika [34]
3 years ago
14

4(x - 2) + 3 = 2x - 9

Mathematics
1 answer:
Dominik [7]3 years ago
3 0
4(x-2)+3=2x-9
4x-8+3=2x-9
4x-5=2x-9
4x-5+5=2x-9+5
4x=2x-4
x = -2
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Which are the roots of the equation 3m^2-5m+1=0
Svetradugi [14.3K]

Answer:

       -(-5) ± √13             5 ± √13

x = ----------------------- = ---------------

              2(3)                       6

Step-by-step explanation:

This is a quadratic equation, with coefficients 3, -5 and 1.

The discriminant, b² - 4ac, turns out to be (-5)² - 4(3)(1), or 25 - 12  =  13

Thus, the roots are:

       -(-5) ± √13             5 ± √13

x = ----------------------- = ---------------

              2(3)                       6

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3 years ago
What are the variables for question 5, problem a, I don't quite understand.
valentinak56 [21]
One variable is the amount of time it takes her to make a plate. The other variable is the amount of time it takes her to make a cup.
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3 years ago
Can I get the answers?
s344n2d4d5 [400]
1. Graph using y = mx + b

a)  y = 3x - 4 (m = 3, b = -4) 

b) y = x + 1 (m = 1, b = 1) 

c) y = -2x + 2 (m = -2, b = 2) 

d) y = -x - 3 (m = -1, b = -3) 

2. Graph using x- and y-intercepts

a)  2x + 3y = 6 (x-intercept is 3, y-intercept is 2) 

b) x - 2y = -8 (x-intercept is -8, y-intercept is 4) 

c) -3x + y = -3 (x-intercept is 1, y-intercept is -3) 

d) -4x - 2y = 6 (x-intercept is -3/2, y-intercept is -3) 

3. Graph using a table

a) y = 2x -1
(Make a table using values -1, 0, and 1 in the "x" column. The values in the "y" column will be -3, -1, and 1)

b) 2x + y = 4 
(Make a table using values 0, 1, and 2 in the "x" column. The values in the "y" column will be 4, 2, 0)
5 0
4 years ago
Mario invested $6,000 in an account that pays 5% annual interest compounded annually how much will be there after 2.5 years
Liono4ka [1.6K]

Answer:

$48,000

Step-by-step explanation:

i = \frac{p \times r \times t}{100 }  \\ 6000 =  \frac{p \times 5 \times 2.5}{100 }  \\ 600000 =  12.5 \\ 48000

6 0
2 years ago
A parade traveled 6 miles in 3 hours. How far did Paris travel per minute?
My name is Ann [436]

Step-by-step explanation:

rate \: of \: travel  \\ =  \frac{distance}{time \: in \: minutes}  \\  =  \frac{6}{3 \times 60}  \\  =  \frac{1}{30}\: miles \: per \: minute

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4 years ago
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