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lana [24]
2 years ago
9

Solve 2(9-x) = 3 ( x +16 )

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
3 0

Answer: x=-6

Step-by-step explanation:

Let's solve your equation step-by-step.

2(9−x)=3(x+16)

Step 1: Simplify both sides of the equation by distribution

2(9-x)=3(x+16)\\(2)(9)+(2)(-x)=(3)(x)+(3)(16)\\18+-2x=3x+48\\-2x+18=3x+48\\

Step 2: Subtract 3x from both sides.

-2x+18-3x=3x+48-3x\\-5x+18=48

Step 3: Subtract 18 from both sides.

-5x+18-18=48-18\\-5x=30

Step 4: Divide both sides by -5.

\frac{-5x}{-5} =\frac{30}{-5} \\x=-6

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Dans un repère du plan, on donne les points (−2 ; 3), (6 ; 2) (−1 ; 0).
kondor19780726 [428]

Answer:

faut-il faire les ponits avec le pallergrom de (−2 ; 3), (6 ; 2) (−1 ; 0) ?

Step-by-step explanation:

3 0
2 years ago
A variable is normally distributed with mean 6 and standard 2 deviation .
Tju [1.3M]

The normal distribution is also known as the Gaussian distribution. The percentage of all possible values of the variable that are less than 4 is 15.87%.

<h3>What is a normal distribution?</h3>

The normal distribution, also known as the Gaussian distribution, is a symmetric probability distribution about the mean, indicating that data near the mean occur more frequently than data distant from the mean. The normal distribution will show as a bell curve on a graph.

A.) The percentage of all possible values of the variable that lie between 5 and 9.

P(5<X<9) = P(X<9) - P(5<X)

               = P(z<1.5) - P(-0.5<z)

               = 0.9332 - 0.3085

               = 0.6247

               = 62.47%

B.) The percentage of all possible values of the variable that exceed 1.

P(X>1) = 1 - P(X<-2.5)

          = 1-0.0062

          = 0.9938

          = 99.38%

C.) The percentage of all possible values of the variable that are less than 4.

P(X<4) = P(X <4)

           = P(z<-1)
           = 0.1587

           = 15.87%

Learn more about Normal Distribution:

brainly.com/question/15103234

#SPJ1

8 0
2 years ago
What is a coefficient ?
Ahat [919]
A coefficient is a number that is attached to a term.

For example:

3x² - 5x + 6 = 0                 

The coefficient of x² is 3.

The coefficient of x = -5. 

Hope this explains it.
8 0
3 years ago
Write the equation of the line that is perpendicular to the line y = 2x + 2 and passes through the point (6, 3).
harina [27]

The equation of line is:

y=-\frac{1}{2}x+6

Further explanation:

Given

y = 2x + 2

Comparing it with standard form:

y=mx+b

Let m1 be the slope of given line

m_1=2

We know that product of slopes of two perpendicular lines is -1

Let m2 be the slope of second line

m_1.m_2=-1\\2*m_2= -1\\m_2 = -\frac{1}{2}

Putting the value of m2 in standard form

y=-\frac{1}{2}x+b

To find the value of b, putting (6,3) in equation

3=-\frac{1}{2}(6)+b\\3=-3+b\\3+3=b\\b=6

Putting the values of b and m, we get

y=-\frac{1}{2}x+6

The equation of line is:

y=-\frac{1}{2}x+6

Keywords: Slope, Point-slope form

Learn more about slope at:

  • brainly.com/question/2688526
  • brainly.com/question/2920401

#learnwithBrainly

4 0
3 years ago
Read 2 more answers
PLEASE HELP SOON!!!!!!!!
MA_775_DIABLO [31]

Answer:

8xh>168, and h>21.

Step-by-step explanation:

I took this quiz.

4 0
3 years ago
Read 2 more answers
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