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
stepan [7]
3 years ago
13

Find the zeros of f(x)=-x^2+6x+27

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

Zeroes of this function are -3 and 9.

Step-by-step explanation:

Using quadratic formula we have:

(-6 +- \sqrt{6^{2}-4(-1)(27) }) / 2(-1)

= -3, 9

You might be interested in
A farmer plants twice as many acres of wheat as corn on his land. If he plants no more than 36 acres, what is the greatest numbe
Leona [35]

Answer: 12 acres could be planted (at most)

Step-by-step explanation: Since there will be twice as many acres of wheat in  comparison to the corn, out of the total 36 acres at least 24 of those will need to be wheat. That leaves 12 acres left for the corn.

6 0
3 years ago
HELP I WILL GIVE BRAINLIEST
masya89 [10]
1. 7b + 10
2. 13x
3. 4v
4. 2 + 2k
5. 12n
6. 0
7. 8 + 12x
8. 6v + 1
9. 7n
10. 7p
11. 1
12. 18 + 5n
13. 10x + 84
14. 18p - 40
3 0
3 years ago
Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a>1
Tamiku [17]

Answer:

<h2>4(5x + 6)</h2>

Step-by-step explanation:

5(6x+4)-2(5x-2)\qquad\text{use distributive property}\ a(b+c)=ab+ac\\\\=(5)(6x)+(5)(4)+(-2)(5x)+(-2)(-2)\\\\=30x+20-10x+4\qquad\text{combine like terms}\\\\=(30x-10x)+(20+4)\\\\=20x+24

20x=4\cdot5x\\\\24=4\cdot6\\\\20x+24=4(5x+6)

6 0
3 years ago
Jan has 7 stickers. Her brother gives her 6 more stickers. Which doubles fact can you use to find how many stickers Jan has now?
horrorfan [7]
You can use:

7 + 7 = 14
7 0
3 years ago
Read 2 more answers
Assume X and Y are independent random variables with the following distributions:
allsm [11]

Answer:

Step-by-step explanation:

Given that X and Y are independent random variables with the following distributions:

x -1 10 1 2 Total

p 0.3 0.1 0.5 0.1 1

xp -0.3 1 0.5 0.2 1.4

x^2p 0.3 10 0.5 0.4 11.2

Mean of X = 1.4

Var(x) = 11.2-1.4^2 =  9.24    

     

y 2 3 5  

p 0.6 0.3 0.1  1

yp 1.2 0.9 0.5 0 2.6

y^2p 2.4 2.7 2.5 0 7.6

Mean of Y = 2.6

Var(Y) = 11.2-1.4^2 =  0.84

3) W=3+2x

Mean of w =3+2*Mean of x = 7.2

Var (w) = 0+2^2 Var(x)= 36.96

8 0
4 years ago
Other questions:
  • The diameter of a dime is seven hundred five thousandths of an inch
    8·1 answer
  • Three times the sum of a number and seven is two less than five times the number
    8·1 answer
  • An investment is currently worth 1.2 x 10^7 dollars. Twenty years ago, the investment was worth 9.6 x 10^5 dollars.
    10·2 answers
  • PLEASE HELP!!!!!!!!!
    12·1 answer
  • Solve y = mx + b for x
    15·1 answer
  • What is the slope of a line that contains the points (-2,2) and (3,4)
    9·2 answers
  • The area of triangle ABC is?
    12·1 answer
  • Subtract. Simplify, if possible.<br> 5/8<br> -<br> * 2 1 / 2 - 3
    11·1 answer
  • Find the modulus if the complex number 6-8i
    15·1 answer
  • Rashon has a dimes and y nickels. He has no less than 12 coins worth at most $0.95
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!