Solve the quadratic equation 2x^2-4x+1=0

Answers

Answer 1

Answer:

Step-by-step explanation:

= 2 ± 2 √ 2


Related Questions

A pack of $2.99 crayons is on sale 50% off what is the discount?

Answers

Answer:

$1.49

Step-by-step explanation:

Take your value: $.99 and since it is 50% off, divide it by 2.

You get $1.49.

plz help me what the coordinate points for each

Answers

Answer:

A. (-4, -3)

B. (5, 3)

C. (-1, 3)

Step-by-step explanation:

Ok, bear with me, its been a while since I have done this so make sure you double check.

A. So, we already know where point A is(1,-3) and we need that to find B

It says we need a reflection which is basically mirroring it across the y-axis(note: if it were across the x-axis then this would turn out much differently.)

Its hard to explain but i will tell you that reflecting point A will give us (-1, -3)

Now we need to translate it 3 units to the left

(-4, -3)

B. Ok, next we have point C which is a reflection using the x-axis (now you will see how important it is to make sure you are reflecting in the right place.) Over the x-axis, will give us (1, 3).

Now we need to translate to the right... (5, 3)

C. Point D... we need to rotate it. Now, rotating is a little bit more work than reflecting and translating but its not hard.

since we are rotating 180 degrees then we are basically just turning it around halfway from 360...

A is (1, -3) so D would be (-1, 3)

Hope this helps :)

Which of these is NOT discrete data:
A. toppings on a pizza
B. boys in a family
C. temperature outside
D. planks in a deck

Answers

Answer:

C. temperature outside

Step-by-step explanation:

Discrete data is information that can only take certain values. ... This type of data is often represented using tally charts, bar charts or pie charts. Continuous data is data that can take any value. Height, weight, *TEMPERATURE* and length are all examples of CONTINUOUS data. = not discrete data

I believe, hope it is correct

One fifth of the difference of a number and 1?

Answers

If you are asking for that to be in expression form, that would be:

1/5(x-1)

Let x be the number.

Answer: The expression that models this situation is given by:

x-1/5

---------------------------

The number is unknown, so it is called x.

The difference between 3 and 2 is 3 - 2 = 1, between 10 and 5 is 10 - 5 = 5, and so on. Thus, the difference between a number and 1 is x - 1.

One fifth of a number is the number divided by 5. Thus, in this context, the expression that represents one fifth of the difference of a number and 1 is given by:

x-1/5

There’s another problem that has the same question at this link:

https://brainly.com/question/20742606

HURRY!!!!
A line with a slope of 5 passes through the points (4,5) and (5,u) What is the value of u?

Answers

Answer:

See Below

Step-by-step explanation:

Slope is rise over run.

Rise is the difference in the y values

Run is the difference in the x values.

Rise/Run = 5 (slope)

You have both x values 4 from one point and 5 from the other point so the difference is 1.  The Run is equal to 1

So you now have Rise / 1 = 5

The first y value you have is 5 and based on (rise/1 = 5), you know the difference in the y values must equal 5.  That means the other y value has to be either 10 or 0.

0 will not work because that would make the slope negative since the line would slope downward from left to right.

Calculate the surface area of the following objects.​

Answers

Answer: 15150 [tex]cm^{2}[/tex]

Step-by-step explanation:

2(83 × 45) + 2(30 × 45) + 2(30 × 83)

2(3735) + 2(1350) + 2(2490)

7470 + 2700 + 4980

= 15150

please give me a brainliest answer


From the graph, write the linear equation in slope-intercept form

Answers

Answer:

y = -3x + 1

Step-by-step explanation:

slope intercept form -> y=mx+b

you can find your slope, m, by doing rise over run ( up 3, left one -> -3/1 )

you can find your y-intercept, b, by just looking at the y axis ( 0,1 -> 1 )

from there you just plug in the values

y = m ( slope ) x + b ( y-intercept )

y = -3x + 1

HELP WILL GIVE BRAINLIEST

Answers

Answer:

x = 128 degrees

Step-by-step explanation:

x and 52 make a linear pair, meaning they both equal 180 degrees.

Therefore, to solve x you can do:

x + 52 = 180

x = 180 - 52

x = 128 degrees

Eggs should equal 128. The reason why is because there’s a line and a line equals 180°. Once you know that you 1 80-52 and you would get 128.

Find slope of both lines and determine if parallel, perpendicular or neither
1) A (2,20)
B (9,55)
C (4,5)
D (9,30)

Answers

Answer:

Parallel

Step-by-step explanation:

y=5x+10

y=5x-15

For every 10 tickets to a horror movie that a popular movie theater sells, they sell 9 tickets to a comedy movie. If they sold 5 more horror movie tickets in one night, how many tickets to both movies did they sell altogether?

Answers

They sold 14 tickets all together

The U.S. population in 1910 was 92 million people. In 1990, the population was 280 million. This could either be a linear or exponential model. You will create both and then look at the true population increase and decide which model is closer the the true growth.

The actual U.S. population data (in millions) was:

Which model provides a better forecast for the U.S. population for the year 2030, linear or exponential or neither?

Question 5 options:

Linear model


Exponential model


Neither

Answers

Answer:

The linear model means that there is a uniform increase and in this case of US population from  92  million people in  1910  to  250  million people in  1990 .  

This means an increase of  250 − 92 = 158  million in  1990 -1910 = 80  years or   158 80 = 1.975  million per year and in  x  years it will become   92 + 1.975 x  million people. This can be graphed using the linear function  1.975 ( x − 1910 ) + 92 ,

graph{1.975(x-1910)+92 [1890, 2000, 85, 260]}

The exponential model means that there is a uniform proportional increase i.e. say  p %  every year and in this case of US population from  92  million people in  1910  to  250  million people in  1990 .  

This means an increase of  250 − 92 = 158  million in  1990 − 1910 = 80  years or  

p %  given by  92 ( 1 + p ) 80 = 250  which gives us  ( 1 +p ) 80 = 250 92  which simplifies to  p = ( 250 92 ) 0.0125 − 1 = 0.0125743  or  1.25743 % .  

This can be graphed as an exponential function  92 × 1.0125743 ( x − 1910 ) , which gives population in a year  y  and this appears as graph{92(1.0125743^(x-1910)) [1900, 2000, 85, 260]}

Step-by-step explanation:

Hope this helps

plzzzzzzzzzzzzzzzzzzz helppppp

Answers

Answer:

15

Step-by-step explanation:

I'm not sure, but find out the coordinates of the two points, and then find the slope between them.

Answer is 15 . But this realy not true

Evaluate 7.6 x 103 +5.2 x 103 and write its solution in scientific notation.

Answers

1318.4 x 10 to the third power

HELPPP PLSSS 50 POINTS IDC

Answers

Answer:

1.x=0 or x=3

2.x=5

3.x=0 or 10/3

4.x=0 or 5/3

1. X=0,3
2. X=5
3. X=0
4. X=0

Which rule explains why these triangles are congruent?

Answers

The triangles are congruent due to SAS

Answer:

SAS is the rule

Step-by-step explanation:

NEED HELP ASAP!! ILL GIVE BRAINLIEST IF YOU GET IT RIGHT!!

Answers

Explanation:

*Based on what i know / understand*

Well one thing is that it is not E (the last choice because the mean is not the same as the median, they are different, the mean is 10.4 while the median is 13.4

And it can not be C or D because the mean is less than the median. So it is rather A or B.

But I think it is B.

Sorry if its wrong ;-;

Hi guys.Hope you are all well…I need your help on this question and I will give you 34 points for it.It doesn’t matter who gets the answer first .It matters on that if you try your best.I will still give you points if you try and think what’s the answer for this question.Thanks…

Answers

Answer:

the size of the angel is 51

Step-by-step explanation:

The size of the angle is 52 p

In the figure, s//t Find the m\1
will give brainliest ​

Answers

The answer is 115 degrees

the difference between 4x and 2x is 70. Find the 2x​

Answers

Answer:

2x = 70

Step-by-step explanation:

4x - 2x = 70

2x = 70

x = 70/2

x = 35

can someone please help me with how to find the perimeter and area of this

Answers

Answer:

Perimeter = 68ft

Area = 289ft²

Step-by-step explanation:

The lines on each side mean that they are all the same length - this shape is a square.

To find the perimeter, do 17 + 17 + 17 + 17 or 17 × 4. This gives you 68ft.

To find the area, you multiply the length and width → 17 × 17 = 289ft²

Hope this helps!

Solve the simultaneous equation
2x-5y=9
3x+4y=2

Answers

Answer/Step-by-step explanation:

2x-5y=9

Add 5y  to both sides of the equation.

2x=9+5y

Divide each term by 2 and simplify.

Divide each term in 2x=9+5y by 2

[tex]\frac{2x}{2} =\frac{9}{2} +\frac{5y}{2}[/tex]

Cancel the common factor of 2.

Divide x by 1.

[tex]x=\frac{9}{2} +\frac{5y}{2}[/tex]

[tex]y=\frac{-9}{5} +\frac{2x}{5}[/tex]

----------------------------------------------------------------------------------------------------------------

3x+4y=2

Add 4y to both sides of the equation

3x=2+4y

Divide each term by 3 and simplify.

Divide each term in 3x=2+4y by 3.

[tex]\frac{3x}{3} =\frac{2}{3} +\frac{4y}{3}[/tex]

Cancel the common factor of 3.

Divide x by 1.

[tex]x=\frac{2}{3} +\frac{4y}{3}[/tex]

[tex]y=\frac{-1}{2} +\frac{3x}{4}[/tex]

A car travels a distance of 130 miles in a time of 1.8 hours. What is its average speed rounded to 1dp?

Answers

Answer:

72.2

Step-by-step explanation:

130/1.8

What is the value of this expression
3'3+5∙4−(8−5∙2)2

Answers

Answer:

105?

Step-by-step explanation:

Answer:

43 just did it

Step-by-step explanation:

just did it

At a school event, adults are seated in groups of exactly 6 and children are seated in groups of exactly 12. If there are the same number of adults as children, what is the minimum number of adults attending?

Answers

Answer:

72 is the minimum amount of adults

Step-by-step explanation:

brainliest please

You should know the __________ and ___________ of all safety equipment.
PLS HELP ME!!!!

Answers

You should know the instructions and rules of all safety equipment

what is the length of the diagonal of the rectangle?

Answers

Answer:

5 units

Step-by-step explanation:

To solve this we can use pythagoras theory:

a² + b² = c², where c is the diagonal3² + 4² = c²9 + 16 = 25c² = 25, so c = √25c = 5

Hope this helps!

C. 5 units is the correct answer

Which of the following statements is true in its conditional and converse forms?

If K is between points J and L, then K is a midpoint.
If a polygon has 3 sides, then the sum of its interior angles is 180°.
If two angles are right angles, then they are congruent.
If B is the midpoint of AC¯¯¯¯¯¯¯¯, then AB = BC.

Answers

The converse statement involves switching the hypothesis and the conclusion of a conditional statement.

The correct statement is (d) If B is the midpoint of AC, then AB = BC.

The converse of the given conditional statements are:

If K is a midpoint, then K is between points J and LIf the sum of interior angles is  180°, then the polygon has 3 sidesIf two angles are congruent, then they are right anglesIf AB = BC, then B is the midpoint of AC

From the above statements, (a), (b) and (c) are not the same as the conditional statement, because:

Point K does not have to be between points J and L to be a midpoint.The sum of interior angles of all polygons (whether it has 3 sides or more) is 180 degreesCongruent angles may not be right angles

For option (d):

For B to be a midpoint of AC, it means that sides AB and BC are congruent.

Hence, the correct statement is (d)

Read more about conditional and converse statements at:

https://brainly.com/question/17684283

Pls help me figure this out :D

Answers

Answer:

Well in this case the solution would be x = 19/9, I hope this helps! :)

F(-5)=7+|-5|=7+5=12

HOW DO I SOLVE THIS?? HELPASAP

Answers

If it’s a matrix it says the answer is -5
F
=
12
=
12
=
12

Using the quadratic formula to solve x- + 20 = 2x, what are the values of x?

Answers

Answer:

they is no answer because x-+20 is not applicable to math

Answer:

x = -20

Step-by-step explanation:

because there is no quadratic equation there

Other Questions
Less a genre than a stylistic and narrative tendency___ is often considered to have started in 1941 with Huston's The Maltese Falcon or even earlier with RadioKeith Orpheum's (RKOS) film Stranger on the Third Floor, how long does sat take what was the name of the major European conflict between France and Great Britain AND who won the war? write an equation of the line passing through the point( 3, -1) and parallel to the line y=2/3 x-5 Calculate USDA grade for a 330lb barrow with average muscling and 1.0 backfat: Technology and Communications Quiz Active 1 Which of the following inventions has had the greatest impact on sound technology? A. the extension cord B. the tape recorderc. the telegraph d. the microphone The diagram shows two parallel lines cut by a transversal.If the measure of 3=(2y+20) and the measure of 5=(2104y), what is the measure of 4 ?Enter the correct answer in the box. 3 positive interaction between Christianity and Muslims during the Crusade Another name for back rushing is? Hi ppl of brainly. I need some help with my math assignment. explain if u can (if u can't, that's okay ) if you dont know it. please dont answer it. if u have any questions about the question, please drop in a comment! slurring words together at a low level of volume and pitch is called can someone help me, please? what country has a national park called the ""valley of flowers""? Yo__ necessito un papel en la clase de eduacacin fsica. (write the missing word)*(1 point) ribozymes are rna molecules that have enzymatic activity. this conflicts with the belief of early molecular biologists that 1. What's a very,very soft color2. Whats a very,soft color3.Whats a soft color4. Whats a medium-soft color Please help!! What is the scale on the x-axis ? What is the scale on the y-axis? where does the largest halloween parade take place In the graph, what fraction does the arrow point to? 10. John Adams feared that immigrants would lessen his chances of being elected so he passed thisact that would not grant citizenship for new immigrants for 9 years. This means that they couldnot voteActEnter your answer