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Lena [83]
3 years ago
13

How many real solutions does the equation y=12x-9x+4 have?

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0

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

                     y-(12*x^2-9*x+4)=0 

Step by step solution :<span>Step  1  :</span><span>Equation at the end of step  1  :</span><span> y - (((22•3x2) - 9x) + 4) = 0 </span><span>Step  2  :</span><span>Equation at the end of step  2  :</span><span> y - 12x2 + 9x - 4 = 0 </span><span>Step  3  :</span>Solving a Single Variable Equation :

<span> 3.1 </span>    Solve  <span> <span>y-12x2+9x-4</span> </span> = 0 

In this type of equations, having more than one variable (unknown), you have to specify for which variable you want the equation solved.

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Maddie buys stock that is worth $22 per share.On the first day,the value of the stock goes up 20%. On the second day,the value d
zepelin [54]

Answer:

At the end of the second day, the value of the share is $23.76

Step-by-step explanation:

Maddie bought $22 worth of share

20% increase of $22 share in the first day

= 20/100 × 22

= $4.40

The total value at the end of the $22 + $4.40

= $26.40

On the second day, 10% decrease of $26.40 is

= 10/100 × $26.4

= $2.64

At the end of the second date, the value of the share is $26.40 - $2.64

= $23.76

5 0
4 years ago
Which describes a cost method of solving systems of equations by using addition, subtraction, multiplication, or division to get
uysha [10]

Answer:

B

Step-by-step explanation:

eliminating systematic measurement errors caused by errors in the measuring instrument used to compare the quantity being measured with a standard.

The elimination method is the process of solving the system of equations, by cancelling unknowns in the system. This makes more simple to solve and easy to solve for the resting unknowns.

Equation solving. A solution is an assignment of expressions to the unknown variables that makes the equality in the equation true. In other words, a solution is an expression or a collection of expressions (one for each unknown) such that, when substituted for the unknowns, the equation becomes an identity .

7 0
4 years ago
What is the equation of the line in slope intercept form?​
PilotLPTM [1.2K]

Answer:

y=3/5x+3

Step-by-step explanation:

8 0
3 years ago
Need help on this question
WITCHER [35]

Answer: perimeter = 204

Area = 1325

Step-by-step explanation:

To find perimeter you find the sum of all the sides which is 97 + 54 + 53 = 204. To find area you multiply base times height divided by 2. In this problem it is 53 * 50 divided by 2 equals 1325

7 0
3 years ago
Simplified the expression y(y2 - y + 4)
Reptile [31]

Answer:

y^3 -y^2 +4y

Step-by-step explanation:

y(y2 - y + 4)

Distribute

y^3 -y^2 +4y

3 0
3 years ago
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