9x^2-9x-18=0 so what will be ans​

Answers

Answer 1

Answer:

9x^2-9x-18=0

9x+2=11x-9x-18=0

9x+2=21x-18=0

9x+2=3x-3^=0

Answer 2

Answer:

Step-by-step explanation:

Formula

[tex]\frac{-b +/- \sqrt{b^2 - 4ac} }{2a}[/tex]

Givens

a = 9

b = - 9

c = -18

Solution

[tex]\frac{- (-9) +/- \sqrt{(-9)^2 - 4*9*(-18)} }{2*9}\\\\\frac{9 +/- \sqrt{81 + 4*9*18} }{18} \\\\\frac{9 +/- \sqrt{ 81 + 288} }{18}\\\\[/tex]

9 +/- √369

=============

      18

9 +/- 3*√41

==========

      18

x = 9 +/- 19.209

     =========

        18

x = 1.567

or

x = -.567


Related Questions

Find the area of the rectangle

Answers

Answer:

10 cm2

Step-by-step explanation:

Length x Width

5 x 2 = 10 cm

Area of a rectangle (A)[tex]=length×breadth[/tex]

[tex]=5cm×2cm[/tex]

[tex]=10cm^2[/tex]

[tex] \frak{Jenny2023147}[/tex]

Please help! 7/20, will give brainliest. I do not tolerate spam answers!
Factor the equation. [tex]3x^2 + 7x + 2[/tex]

Answers

(X+2)(3x+1) !!!!!!!!!!!!!!!!!!

If t is a number between 6 and 9, t+5 is between what two numbers?

Answers

Answer:

11 and 14

Step-by-step explanation:

t can be 7 or 8

7+5=12

8+5=13

12 and 13 are between 11 and 14

The number t + 5 is in between 11 and 14.

What is an inequality?

"It is a mathematical statement of an order relationship (greater than, greater than or equal to, less than, or less than or equal to) between two numbers or mathematical expressions."

What is addition property of inequality?

" Let x, y, and z be real numbers.

If x > y, then x + z > y + z."

For given question,

t is a number between 6 and 9.

So, we have an inequality.

⇒ 6 < t < 9

By addition property of inequality,

⇒ 6 + 5 < t + 5 < 9 + 5

⇒ 11 < t + 5 < 14

Therefore, the number t + 5 is in between 11 and 14.

Learn more about the inequality here;

https://brainly.com/question/19003099

#SPJ2

Find the value of x. Please

Answers

Answer:

113

Step-by-step explanation:

96+17=113

180-113=67

67+x=180

x=180-67

x=113

11 5/8 +9 1/2 is my problem

Answers

Answer:21 1/8 is the answer

Step-by-step explanation:

What is the value of this expression?
25 - 9(2)

Answers

All u do is 25- 18= 7 a number in parentheses means multiply
The answer is 25-18=7.

Find the area of the complex figure.

Answers

Answer:

it's 189 the area

Step-by-step explanation:

area =189

Which particles determine the atomic number of an element? Protons Neutrons Energy Levels Atomic Mass

Answers

Protons determine the atomic number of an element.
Protons determine the atomic number of an element. Hope this helps.


Please help. It due sooonnn thx

Answers

Answer:

LM = 16

Step-by-step explanation:

LM will be half of the whole triangle base

32/2 = 16

—-PLEASR HELP QUESTION IS IN THE PICTURE—

Answers

Answer:

A=1/3BH, A=1/3(12)(10), A=40 uwu

Step-by-step explanation:

7x-9x=-36
(I know the answer but I’m not sure if I have the work right)

Answers

Answer:

18, is your answer!

Step-by-step explanation:

Answer:

I think that ur answer is 18 .

what is the volume of the rectangular prism​

Answers

It is all the numbers multiplied together. 135

Answer:

[tex]\Huge\boxed{D.135 cm^3}[/tex]

Step-by-step explanation:

Hello There!

We can find the volume of the figure by using the formula for volume of a rectangular prism

[tex]V=lwh[/tex]

where l = length, w = width and h = height

we are given all of the dimensions so all we have to do is plug in the values

so

V = 3 x 9 x 5

3x9=27

27x5=135

so the volume of the rectangular prism is 135 cm³

The sum of five numbers is 200. What is the average of the
numbers?

Answers

Answer:

Step-by-step explanation:

Average is

a=(a+b+...c)/(n)

Where the numerator is the sum of elements and the divisor is the number of elements

In this case

a=(200)/5

a=40

Point B has coordinates (1,2). The x-coordinate of point Ais - 4. The distance between point A and
point B is 13 units. What are the possible coordinates of point A?

Answers

Answer:

(-4,-7) yeah it that but if it's not let me know

It takes an old printer 8 hours to print all the pictures for the yearbook.a modern printer can do the same job in 5 hours.How long it takes to do the job with both printers working on it.

Answers

Answer:

6 hours

Step-by-step explanation:

8+5=12

12/2=6

It takes40/ 13 or approximately 3.1 hours to do the job with both printers working on it.

What is fraction?

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

Given:

It takes an old printer 8 hours to print all the pictures for the yearbook.

A modern printer can do the same job in 5 hours.

If both work together,

it will take,

x(1/8 + 1/5) = 1

x(8 + 5)/40 = 1

8x + 5x = 40

x = 40/13

x = 3.07

x = approximately 3.1 hours.

Therefore, the work will be done in 40/13 hours.

To learn more about the fractions;

https://brainly.com/question/10354322

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1 think of a number, subtract 12 and divide by 3
The answer is 15.
What was the number?​

Answers

Answer: 18-12=6/3=2

my number is 2?

Step-by-step explanation:

it didn't work, my answer wasn't 15

A whale is at the surface of the ocean to breathe. What is the whale’s elevation?
A:100
B:-100
C:-50
D:0

Answers

Answer:  D, 0

0

Step-by-step explanation:

because hes at sea level

Answer:

D

Step-by-step explanation:

0

How do I factor the polynomial -7y+y^2-30? I can do it in standard form but now im confused. Please help.

Answers

Answer:

your answer would be

(y - 10) (y + 3)

hope this helps

Answer:

Step-by-step explanation:

-7y+y^2-30    is presented legally, but not logically I will re-write it better

just re-write in standard form

y^2 - 7y - 30      

y² - 7y - 30        is it better now?

  (y  - 10) (y + 3)    

Please i really need help

Answers

Answer:

-6

Step-by-step explanation:

it's asking when x is equal to -5 what is y equal to?

there's only one point when x=-5 and it's -6

so the point is (-5,-6) and y is equal to -6

hope this helps and makes sense <3

do well babe

PLEASE I NEED HELPP

Leah's rectangular driveway is 48 feet long and 14 feet wide. With sidewalk chalk, Leah drew a straight diagonal line on her driveway from one corner to the opposite corner.

How long is the diagonal line Leah drew?

25 feet

46 feet

50 feet

62 feet

Answers

[tex]48^2+14^2=x^2\\x^2=2500\\x=50[/tex]

The length of the diagonal drawn by Leah will be 50 feets

Given the Parameters :

Length = 48 feet Width = 14 feets

The length of the diagonal is the value of the hypotenus in a right angles triangle :

Let the length of the diagonal = d

d = √(length)² + (width)²

d = √48² + 16²

d = √2304 + 256

d = √2560

d = 50.5961 feets

Therefore, the closest value for the length of the diagonal in the options given is 50 feets

Learn more : https://brainly.com/question/8283882

PLEASE HELP ME I WILL BRAINLIST YOU ​

Answers

I say about 46 or 28 feet hope this help mark as. Brainlist

Write the word sentence as an inequality
A number y divided by 6 is no more than 2

Answers

Answer:

Y/6 <_ 2

Step-by-step explanation:

(Less than it equal to sign)

What is the length of the longest possible laser beam he could send rounded to the nearest tenth of an inch?

Answers

Where is the diagram????????

convert into 24 hours clock time. (a).1.40pm​

Answers

Answer: 13:40

Step-by-step explanation:

Answer:

13:40

Step-by-step explanation:

pm is after the first 12 hours of the day

and so 1 pm you just add one

12+1=13

at the 40 minutes

13:40

I need some help please​

Answers

Answer:

a₂₀ = 69

Step-by-step explanation:

The nth term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 12 and d = 15 - 12 = 3 , then

a₂₀ = 12 + (3 × 19) = 12 + 57 = 69

Lets test werher the following ratios are propprtion. 5:4 and 15:12​

Answers

Answer:

Yes they are proportionate.

Step-by-step explanation:

15:12 = 5x3:4x3

So they are proprotionate.

they have just been multiplied by 3

HELP!!! PLEASEEE i will give brainliest!!!

Answers

9514 1404 393

Answer:

  9,775,069,161

Step-by-step explanation:

The field has the shape of a trapezoid. Its area can be found using the formula for the area of a trapezoid:

  A = (1/2)(b1 +b2)h

  A = (1/2)(399 +594)(506) = 251,229 . . . . . . acres

__

At 38909 plants per acre, the number of plants that should be planted for maximum yield is ...

  (251,229 ac)(38,909 plants/ac) = 9,775,069,161 plants

_____

Comment on units

The problem statement tells us "each unit of coordinate plane represents one acre." An acre is a unit of area, so we have to assume this means that each square unit represents one acre. That means each unit on each axis is about 208.71 feet, the dimension that would have to be squared to get an area of one acre--43,560 square feet.

PLEASE HELP!! ASAP !!! WILL MARK BRAINLEST!

Answer choices
○ 0°
○180°
○270°​

Answers

Answer:

270° counterclockwise

Step-by-step explanation:

The answer is C. Hope this helps!

Seventy-five percent of the town voted to approve building a new playground for the school. If there are 1,328 people who live in the town, which expression can be used to find out how many people voted for the new playground?

Answers

Answer:

[tex]\frac{75}{100}[/tex] × 1328

0r 0.75 x 1328

or

[tex]\frac{3}{4}[/tex] × 1328

Step-by-step explanation:

a line in the plane of the circle that intersects the circle at exactly one point is:

Answers

Answer:

Tangent

Step-by-step explanation:

.............

Answer:

Tangent

Step-by-step explanation:

Tangent is line in the plane of the circle that intersects the circle at exactly one point

hope it helps

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