1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IRISSAK [1]
3 years ago
5

What are the roots of the equation?

Mathematics
1 answer:
alexandr1967 [171]3 years ago
4 0

Answer:

The answer is 2.  x = 2

Step-by-step explanation:

2 x 2 + 1x = 6

2 x 2= 4

4 + 1x = 6

4 - 4 = 0

6 - 4 = 2

1x = 2

1x / 1 = 1 <--- This gets cancled out but leave the x.

2/ 1 = 2

x = 2

You might be interested in
I’m literally struggling like can someone hel me plz this is due tomorrow
KonstantinChe [14]

Check the picture below.

4 0
3 years ago
A function is given. Determine the average rate of change of the function between the given values of the variable: f(x)= 4x^2;
nevsk [136]
\bf slope = {{ m}}= \cfrac{rise}{run} \implies &#10;\cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby &#10;\begin{array}{llll}&#10;average\ rate\\&#10;of\ change&#10;\end{array}\\\\&#10;-------------------------------

\bf f(x)= 4x^2  \qquad &#10;\begin{cases}&#10;x_1=3\\&#10;x_2=3+h&#10;\end{cases}\implies \cfrac{f(3+h)-f(3)}{(3+h)~-~(3)}&#10;\\\\\\&#10;\cfrac{[4(3+h)^2]~~-~~[4(3)^2]}{\underline{3}+h-\underline{3}}\implies \cfrac{4(3^2+6h+h^2)~~-~~4(9)}{h}&#10;\\\\\\&#10;\cfrac{4(9+6h+h^2)~~-~~36}{h}\implies \cfrac{\underline{36}+24h+4h^2~~\underline{-~~36}}{h}&#10;\\\\\\&#10;\cfrac{24h+4h^2}{h}\implies \cfrac{\underline{h}(24+4h)}{\underline{h}}\implies 24+4h
8 0
3 years ago
Which factor contributed to the growth of the us economy during the 20 century?
Sphinxa [80]
The United States increased its global influence.
7 0
3 years ago
Need help finding the x, y, and z. please and thank you
Reptile [31]

The first step in any problem is to look at what you are given. When solving systems of linear equations, it is often helpful to eliminate one or more of the variables by adding or subtracting a multiple of one equation with a multiple of another. It is convenient when at least one of the multipliers is 1.

Here, we can cancel the y-terms in the 2nd and 3rd equations simply by adding them together. This gives

... (5x +y -4z) +(-3x -y +5z) = (41) +(-45)

... 2x +z = -4 . . . . simplified

Likewise, we can add 3 times the second equation to the first to cancel y in that sum.

... 3(5x +y -4z) +(2x -3y +z) = 3(41) + (-1)

...15x +3y -12z +2x -3y +z = 123 -1

...17x -11z = 122 . . . . simplified

Now that we have 2 equations in x and z, we can go through the same process. We observe that the coefficient of z is +1 in the first equation and -11 in the second. The means we can cancel the z terms by adding 11 times the first equation to the second:

... 11(2x +z) +(17x -11z) = 11(-4) +122

...22x +17x = 78 . . . . . . simplify a little bit

... x = 78/39 = 2 . . . . . . divide by 39

From above, we find

... z = -4 -2x = -4 -2·2 = -8

... y = 41 -5x +4z = 41-5(2) +4(-8) = 41 -42 = -1

The solution is (x, y, z) = (2, -1, -8).

_____

The method of elimination used here will vary with the system of equations. If you want to employ a consistent method, you can use Cramer's Rule, Gaussian elimination, or matrix methods. Since you apparently don't mind help from technology, learning to do this on your graphing calculator can also be a good idea.

4 0
3 years ago
Three wooden cube blocks each have a side length of 6cm. What is the combined volume of the three wooden blocks in cm?
aleksklad [387]

Answer:

c

Step-by-step explanation:

what you do is you find how many sides there are witch is 6 and multiply that by 6 witch would equal 36 now all you do is multiply 3x36 witch equals 108cm square

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the measure of a base angle of an isosceles triangle if the measure of the vertex tangle is 38 degrees and the two congr
    11·1 answer
  • What is the value of x? (5 points)
    6·2 answers
  • What is the product of 5.2×<img src="https://tex.z-dn.net/?f=10%5E%7B4%7D" id="TexFormula1" title="10^{4}" alt="10^{4}" align="a
    15·2 answers
  • Determine o valor de "m" para que o gráfico da função f(x)=3x-n-7 :
    10·1 answer
  • The speed of light is about 1.9 x 10^5 miles per second. It takes about 500 seconds for light to travel from the Sun to Earth.
    15·1 answer
  • What's the simplified expression of -2a-3 bº?
    12·1 answer
  • Which statement best explains whether the table represents a linear or nonlinear function? Input (x) Output (y) 2 5 4 10 6 15 8
    7·2 answers
  • Order these fractions from Least to greatest 9/10 13/20 and 4/5
    13·1 answer
  • Simplify the expression\(\frac{2x^{-1}y}{x^3z}\) for \(x=2\), \(y=8\), and \(z=-1\).
    12·2 answers
  • Solve the formula for m
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!