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
Yuri [45]
3 years ago
9

What is the answer to this

Mathematics
2 answers:
Maurinko [17]3 years ago
5 0

{x}^{2}  - 9x - 36 = 0 \\ (x - 12)(x + 3) = 0 \\ x - 12 = 0 \\ x = 12 \\ x  + 3 = 0 \\ x =  - 3
Elden [556K]3 years ago
3 0
X^2 - 9x - 36 = 0

Note that one possible set of factors is (x-12)(x+3).  Why?  Because (-12)(3) = -36 and -12x + 3x = -9x.
You might be interested in
Which expression gives the determinant of the matrix
BartSMP [9]

If the matrix is of 2 by 2 then we can find the determinant of the matrix.

\begin{bmatrix}a & b\\ c & d\end{bmatrix}

Then (ad - bc ) gives you the determinant of the matrix.

For example,

\begin{bmatrix} 2 & 4\\  1 & -2 \end{bmatrix}

= (2)(-2) - (1)(4)

= - 4 - 4

\begin{bmatrix} 2 & 4\\  1 & -2 \end{bmatrix} = -8



3 0
3 years ago
Read 2 more answers
Which equation represents a quadratic function?
Elena-2011 [213]
Quadratic is where the degree of x is 2
I would think 3 is the one that might have been written as y=x² which would be correct
8 0
3 years ago
PLEASE ANSWER I WILL MARK AS BRAINLIEST
Tomtit [17]

Answer:

Six

Step-by-step explanation:

1.Convert all volumes to millilitres

(a) Chlorpheniramine

V = 100 mL

(b) Lidocaine

V = \text{2 fl oz} \times \dfrac{\text{29.57 mL}}{\text{1 fl oz}} = \textbf{59 mL}

(c) Banana flavouring

V = \dfrac{1}{2}\text{ tsp} \times \dfrac{\text{4.928 mL}}{\text{1 tsp}} = \textbf{2.5 mL }

2. Calculate the total volume

Chlorpheniramine = 100  mL

Lidocaine               =   59

Banana flavouring =  <u>   2.5    </u>

TOTAL                    =  162 mL

3. Calculate the number of doses

\text{Doses} = \text{162 mL} \times \dfrac{\text{1 dose}}{\text{10 mL}} = \text{16.2 doses}\\\\\text{You can't take a fraction of a dose, so the there are $\large \boxed{\textbf{16 doses}}$}

5 0
3 years ago
Which unit is part of the SI system?
Orlov [11]
Gallon should be correct
7 0
3 years ago
Calculate the ratio to the nearest hundredth (Please do them all for me)<br>PLEASE!
earnstyle [38]

All of them are 3.14

I got them all right on I ready :)))

8 0
3 years ago
Other questions:
  • A community park is shaped like a trapezoid with a height of 30 yd, a top base of 25yd,and a bottom base of 33yd. The park has a
    13·1 answer
  • You are making an umbrella that is shaped like a regular octagonal pyramid. Each base length is 4ft and each side length is 5 ft
    11·1 answer
  • Factor completely. x2−5x−24
    8·2 answers
  • The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function?
    14·1 answer
  • Is 3pi/2pi a rational number or an irrational number? Explain your reasoning
    14·1 answer
  • The height of a tower is measured as 16.6 m. What is the shortest possible height of the tower?
    5·1 answer
  • Your class is planning a trip to Science East . The school will have to pay $250 for the bus and $3per student.Write an equation
    11·1 answer
  • find the digit in units place in the expansion of the following: 1) 2¹⁹⁶⁷ 2) 3¹⁹⁶⁹ 3)4¹⁹⁷⁰ 4) 4¹⁹⁷¹ 5) 5⁵⁵⁵ 6) 6¹⁰⁰⁰ 7) 7²⁰⁰⁷ 8)
    12·1 answer
  • Complete the table.<br><br> x 0 3<br> y=13x+2
    12·1 answer
  • (x3 + 9x2 + 1)(3x2 + 4x − 4)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!