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velikii [3]
3 years ago
12

-9x-5x=20 Please solve for x!

Mathematics
1 answer:
Zina [86]3 years ago
3 0

Answer:

x=-\frac{10}{7}

Step-by-step explanation:

Equation: -9x-5x=20

1). -9-5=-14

    -14x=20

2). \frac{-14x}{-14}=\frac{20}{-14}

     

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RESTAURANTS In 2012, a popular pizza franchise had 2483 restaurants. In 2017, there were 2606 franchised
lisabon 2012 [21]

y  -  2483  =  24.6(x - 2)

Let x represent the number of years after 2010

Let y represents the number of restaurants in x years

2012 is 2 years after 2010

2017 is 7 years after 2010

Number of restaurants owned by RESTAURANTS in 2012 = 2483

This can be represented in coordinate form as (2, 2483)

Number of restaurants owned by RESTAURANTS in 2017 = 2606

This can be represented in coordinate form as (7, 2606)

The equation of a line in point-slope form is:

y-y_{1} = m(x - x_{1}  )

where m represents this slope, and is calculated as:

m = \frac{y_{2} - y_{1} }{x_2-x_1} \\m = \frac{2606-2483}{7-2} \\m = \frac{123}{5} \\m = 24.6

Substitute x₁ = 2, y₁  = 2483, and m = 24.6 into the point-slope equation

The equation in point-slope form becomes:

y  -  2483  =  24.6(x - 2)

Learn more here: brainly.com/question/6497976

5 0
3 years ago
The length of a rectangle is 5 more than twice the width. What is the expression for the perimeter of the rectangle?
MAXImum [283]
L = 2 × W + 5
P = (2 × L) + (2 × W)
3 0
3 years ago
Read 2 more answers
-9x+6=-x+4<br> What is x??
lawyer [7]
. 5
-9+6=-x+4 
You need to change the sign
5 0
3 years ago
Read 2 more answers
1.45x + 1.25y =70.85 <br><br> x + y = 53
SpyIntel [72]

Answer:

Your answer is

y= 30

x= 23

Mark my answer as brainlist . I need that urgently . Folow me for more answer.

Step-by-step explanation:

6 0
3 years ago
A bank account earns interest at a rate of 3.5% per year (in other words it increases in value by that percent) and starts with
Oduvanchick [21]

Answer:

Annually cumulating interest can be determined by the following formula:

W=P(1+r)^y

r represents the interest rate as a decimal, and P represents the starting amount of money.

Step-by-step explanation:

7 0
3 years ago
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