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gavmur [86]
3 years ago
15

7x + 5 (x+3)+ 4x + x + 2

Mathematics
2 answers:
Fantom [35]3 years ago
5 0

Answer:

17x + 17

Step-by-step explanation:

Give me Brainllest

taurus [48]3 years ago
4 0

7x + 5(x + 3) + 4x + x + 2 =

= 7x + 5x + 15 + 4x + x + 2 = 17x + 17

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Derivative of x^3 + 5y^2=2
svetlana [45]

Answer:

Derivative- an expression representing the rate of change of a function with respect to an independent variable.

Step-by-step explanation:


7 0
3 years ago
What does 5x + 10y equal
leonid [27]

Answer:

Step-by-step explanation:

 Slope = 1.000/2.000 = 0.500

 x-intercept = 0/1 = 0.00000

 y-intercept = 0/-2 = -0.00000

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    5*x-(10*y)=0  

Step by step solution :

Step  1  :

Pulling out like terms :

1.1     Pull out like factors :

  5x - 10y  =   5 • (x - 2y)  

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

2.1      Solve :    5   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Equation of a Straight Line

2.2     Solve   x-2y  = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b ("y=mx+c" in the UK).

"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line  x-2y  = 0 and calculate its properties

Graph of a Straight Line :

 

 

Calculate the Y-Intercept :

Notice that when x = 0 the value of y is 0/-2 so this line "cuts" the y axis at y=-0.00000

 y-intercept = 0/-2  = -0.00000  

Calculate the X-Intercept :

When y = 0 the value of x is 0/1 Our line therefore "cuts" the x axis at x= 0.00000

 x-intercept = 0/1  =  0.00000  

Calculate the Slope :

Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is 0.000 and for x=2.000, the value of y is 1.000. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of 1.000 - 0.000 = 1.000 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)

   Slope     =  1.000/2.000 =  0.500  

Geometric figure: Straight Line

 Slope = 1.000/2.000 = 0.500

 x-intercept = 0/1 = 0.00000

 y-intercept = 0/-2 = -0.00000

6 0
4 years ago
the square of 9 more than a number is equal to 9 more than the square of the number. what is the number?
AnnZ [28]
(x+9)^2 = x^2 +9
x^2 +18x + 81 = x^2 +9
18x = -72
 x = -4
3 0
3 years ago
What is the slope of line m?
Svetradugi [14.3K]

Answer:y = MX+b

Step-by-step explanation:

8 0
3 years ago
Debora drove 400 miles on her vacation. She drove an average of 1.5 times faster in the second 200 miles of her trip than she di
vodomira [7]
t=\dfrac{s}{v}
Time, she spent driving the first 200 miles:
\dfrac{200}{x}
Time, she spent driving the second 200 miles:
\dfrac{200}{1.5\cdot x}

Total time:
\dfrac{200}{x}+\dfrac{200}{1.5\cdot x}=\dfrac{200}{x}\cdot \dfrac{1.5}{1.5}+\dfrac{200}{1.5\cdot x}=\dfrac{300}{1.5\cdot x}+\dfrac{200}{1.5\cdot x}=\dfrac{500}{1.5\cdot x}=\boxed{\dfrac{1000}{3\cdot x}}
6 0
3 years ago
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