2x^2-19x+9=0 does anyone know the answer

Answers

Answer 1

Answer:

x=1/2,x=9

Step-by-step explanation:

[tex]2x^{2} -19+9=0\\\\2x^{2} -18x-x+9=0\\\\2x(x-9)-1(x-9)=0\\\\(2x-1)(x-9)=0[/tex]

2x-1=0......I

x-9=0.......II

Solving I

2x-1=0

2x=1

x=1/2

Solving II

x-9=0

x=9


Related Questions

Sally has 8 coins in her wallet that added up to $1.10. She only has dimes and quarters. How many dimes did she have?​

Answers

Answer: 2 Quarters and 6 dimes

Step-by-step explanation:

2 quarters = 50 Cents
6 Dimes = 60 Cents
2 Quarters + 6 Dimes = $1.10

An angle measures 52° less than the measure of its complementary angle. What is the measure of each angle?

Answers

Answer:

Measure of each angle is 71 and 19 degrees.

Step-by-step explanation:

Let's the angle  be "n"

Complementary angle = 90 °

n- (90-x) = 52

n - 90+ n = 52

Combine like terms

n - 90+ n = 52

2n-90=52

Add 90 to both sides of the equation

2n-90+90=52+90

simplify

2n = 142

Divide both sides of the equation by the same term

2n/2 = 142/2

Simplify

n = 71

2n = 142

Measure of each angle

1st = 71

2nd = 90-71 = 19

[RevyBreeze]

Jim has $84,410 in a savings account that earns 15% interest per year. How much will he have in 4 years?

Answers

Answer:

50,646

Step-by-step explanation:

Jim would have saved 50,646 in 4 years

1 Year= 12.6615

12.6615 x 4=50,646

Jim will have $5,149,010 in 4 years.

What is Simple Interest?

Simple interest is a method for figuring out how much interest was paid on a sum of money during a specific time period at a specific rate. Simple interest has a constant principle amount. Simple interest is a clear-cut and simple method for computing financial interest.

We have,

P = $84,410.

R= 15%

T = 4 years

Using Simple Interest

SI = (P x R x T) / 100

SI = (84410 x 15 x 4)/100

SI = 5,064,000

So, the amount is

= 84,410 + 5,064,000

= 5,149,010

Learn more about Simple Interest here:

https://brainly.com/question/25845758

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Simplify 10 times the square root of quantity 2 y end quantity plus 5 times the square root of quantity 2 y end quantity plus 3 times the square root of quantity 2 y end quantity . 18 times the square root of quantity 6 y end quantity 18 times the square root of quantity 2 y end quantity 12 times the square root of quantity 2 y end quantity 18 times the square root of quantity 6 y cubed

Answers

Answer:

18√(2y)

Step-by-step explanation:

10√(2y) +  5√(2y) + 3√(2y) =

= 18√(2y)

= 18√(2y)

Simplifying Square Roots. To simplify a square root make the number inside to square root as small as possible (but still the whole number) Get your calculator or check if you need them are both have the same value this is the rule when a or b are possitive.

= 10√(2y) +  5√(2y) + 3√(2y)

= 18√(2y)

How do I use the simplify calculator?

Enter a expression who want to simplify into the editor. The simplification calculator allows you for take a simple and complex expression or simplify or reduce the expression to it is simplest way. The calculator works for both numbers or expressions containing variables

Learn more about Simplifying Square Roots here https://brainly.com/question/12903659

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Represent 1.5, 2.7 and 0.9 on a number line

Answers

Answer:

Where would the decimal number 1.5 be on a number line? The decimal number 1.5 has a whole number of 1, which is the number to the left of the decimal. The number 1.5 is halfway between 1 and 2.

Step-by-step explanation:

3 John can clean pools at a constant rate of What is the ratio of pools to hours? pools per hour.​

Answers

The answer to the thing is 3 pools per each hour

Pleaseeeeee help??????????

Answers

Answer:

20 units

Step-by-step explanation:

there is a theroem when a tangent and secant intersect outside a circle

as per it

CU*DU = GU^2

7.2*DU = 12*12=144

DU = 20 units

Write an inequality that describes all the points that are more than 3 units from 5.

Answers

Step-by-step explanation:

[tex]3 < x \geqslant 5[/tex]

Question 2 of 5
Which expression is equivalent to 4(x + 3)?
A. 4 + x + 3
B. 4x + 12
C. 4x + 3
D. 4x + 3x
SUBMI

Answers

We will foil the expression, meaning we will multiply 4 by x and then add 4 times 3

4(x+3) = 4x + 12

So our final answer will be B

Hey there!


4(x + 3)

= 4(1x + 3)


DISTRIBUTE 4 WITHIN the PARENTHESES

= 4(1x) + 4(3)


= 4(x) + 4(3)


= 4x + 12


Therefore, your answer is:

Option B. 4x + 12


Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

How long would it take to travel 315 mi at the rate of 45 mi/h?
360 h
or
14,175 h
or
270 h
or
7 h

Answers

Answer:

7 h

Step-by-step explanation:

315 miles / 45 miles per hour

cross out the miles since those units cancel out

7 hours

please help 5 POINTS THIS TIME SORRY MIGHT BE DOING A GIVE AWAY GIVING BRAINLIEST​

Answers

Volume of 1st box:

[tex]3 \times 5 \times 8 = 120ft ^{3} [/tex]

Volume of 2nd box:

[tex]3 \times 5 \times 4 = 60ft ^{3} [/tex]

Combined volume:

[tex]120 + 60 = 180ft ^{3} [/tex]

The wholesale price for a bookcase is $115. A certain furniture store marks up the wholesale price by 39% . Find the price of the bookcase in the furniture store.
Round your answer to the nearest cent, as necessary.

Answers

Answer:

$159.85

Step-by-step explanation:

Only number 5 please help

Answers

B. 60 this can be answered by also knowing degree angle's as it starts at 0 increments of 10

Direction: give the property used in each equation. Then, write the missing numbers.
1.( 8+15 ) + ( 4+9 ) = ( 4+__) + (__+ 15 ) Property:________
2. (5

Answers

Answer:

( 8+15 ) + ( 4+9 ) = ( 4+9 ) + ( 8+15 )

Associative Property of Addition

Step-by-step explanation:

Please help I will give brainliest.

Answers

Answer:

C

Step-by-step explanation:

1 + 0.02 is the 2% growth of the collection every month, to the power of 12 means the 12 months, and to the power of 2 mean 2 years.

TL
A triangle has sides with lengths of 8 feet, 15 feet, and 17 feet. Is it a right triangle?

Answers

Answer:

Step-by-step explanation:

To test if this is a right triangle, let's test these side lengths with the Pythagorean Theorem.

a^2 + b^2 = c^2

c is the hypotenuse, the longest side of a right triangle.

a and b are the legs of the right triangle.

a = 7

b = 15

c = 17

7^2 + 15^2 = 17^2 ?

49 + 225 = 289 ?

274 ≠ 289

Thus, this triangle is not a right triangle since it does not satisfy the Pythagorean Theorem.

have a good day :)

the link don't work just tell me the answer

Answers

Answer:

6/8 = 12/18

Step-by-step explanation:

hope this helps :D

Answer this qn sm1



Also, can others check on my latest 2 qns?

Answers

Answer:

Check the attachment.

What expression is equivalent to (4x–5) (2x-3)?

Answers

Answer:

8x^2-22x+15

Step-by-step explanation:

Multiply them together

Answer:

There are many, many, different expressions equivalent, but if you distribute them together you come up with:

8x² - 22x + 15

Step-by-step explanation:

When distributing (4x–5) (2x-3) we should end up with four values, and then add them together.

[] The outside numbers of 4x and -3

-> 4x * -3 = -12x

[] The inside numbers of -5 and 2x

-> -5 * 2x = -10x

[] The left numbers of 4x and 2x

-> 4x * 2x = 8x²

[] The right numbers of -5 and -3

-> -5 * -3 = 15

Now we can add them together;

-12x + -10x + 8x² + 15

8x² - 22x + 15

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

Help me solve this problem

Answers

Answer:

=, there are equal

Step-by-step explanation: < means less than and > means greater than and = is just equal.

Use your calculator to the square root of 125.

The answer is 11.180...... and so on. But we just leave it as 11. Therefore, 11 and 11 are equal. That's the answer to your question.

Reflect across the Y-axis.H(1,3)H

Answers

Answer:

Is there a graph? I would love to help out just need a little more help.

Step-by-step explanation:

6*7=5*7 PLEASE HELP ME I NEED HELP

Answers

Answer:

Step-by-step explanation:

we simply the both sides:

6*7=5*7 |:7

So: 6=5 is remained. So I guess you’ll have to write it in this way:

6≠5.

Find the product. Write your answer as a mixed number in simplest form 4 2/9 x 2 4/9

Answers

That would be 836/81, since the mixed number for is 10 26/81.

Hope this helps!

Write an equation in Point-Slope Form for the given information.

m=4/5;(2,0)

Answers

Answer:

y-0 = 4/5(x-2)

Explanation:

0 is the y point so it goes in the y-y1 spot. The m or the slope goes into the m spot by the parenthesis. The 2 goes into the spot of the m-m1. One thing that is important is that when plugging in the point into the equation is to always put in the inverse. So if 3 was the y point, the equation would be y-3, if it was a negative point it would be, y + 3.

Can You answer this word problem?

Answers

Answer:78

Step-by-step explanation:

“When in doubt, write it out.”

We could display this algebraically. Let's call the initial number of people on the boat .

So,

−26+22=74

Then let’s combine like terms, -26+22 = -4.

⟹−4=74

Add 4 to each side…

⟹=78

Can someone please help me?

Answers

The answer to this question is C.

The tenth term of a linear sequence is 18.The term-to-term rule is subtract 4.work out the fourth term of the sequence? please explain why the answer is.....?​

Answers

The rule is to subtract 4. We know that the tenth term is 18. Let’s go back 10 terms, so we can find the 0th term. 4*40 is 40, and 18 + 40 = 58. Next, we need to find the 4th term of this sequence. We can do that by multiplying 4 by 4, which is 16. Next, we subtract 58 from 16. This gives us 42.

The fourth term is 42.

An equation to represent this situation is 58 - 4n. We can plug in 10 to check our answer. 58 - 4(10) is 58 - 40 which is 18.

Select all the equations on which the point (10,0) lies.

Answers

Answer:

  B, C

Step-by-step explanation:

Since y=0, you are looking for equations such that 10 times the coefficient of x is the constant in the equation.

  a) 5·10 ≠ 15

  b) 2·10 = 20 . . . . select this one

  c) 10 = 10 . . . . select this one

  d) 3·10 ≠ 13

  e) 4·10 ≠ 20

  f) 6·10 ≠ 50

If anyone minds, can someone answer this and show your work pls.

Answers

Answer:

x=2 y=16 so (2,16)

Step-by-step explanation:

y=10x-4 --> 8x=10x-4

                  -10x -10x

-2x=-4

-2/-2x -4/-2

x=2

y=10x-4 --> y=10(2)-4

y=20-4

y=16

Answer:

2 ; 16

Step-by-step explanation:


y = 8x _
y = 10x - 4

___________
0=2x-4

4=2x

x=2

=> y=8*2=16

55 points please answer correctly you will be marked brainiest!

Answers

Answer:

Answers are in picture, and they are color-coded.

Step-by-step explanation:

Hope this helps! Brainliest would be much appreciated! Have a great day! :)

Answer:

Upper quartile- The median of the upper half of a set of data

Lower Quartile- The median of the upper half of a set of data

Quartile- Divides a data set into four equal parts

Range- Difference between the highest and lowest data points


Interquartile- The difference between the upper quartile and the lower quartile

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