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
Alecsey [184]
3 years ago
5

What are the zeros of f(x) = x2 - x - 20?

Mathematics
1 answer:
sattari [20]3 years ago
5 0

Answer:

(-4,0) and (5,0)

Step-by-step explanation:

Factor.

f(x) = x^2 -x - 20

Factors of -20 that when are added they equal -1

-5 and 4

(x-5) (x+4)

x=5 and x=-4

You might be interested in
Bella saw that 7 out of 11 people brought an umbrella to the beach. There were 99 people there. How many of them did NOT have a
Leokris [45]
That means that 4 out of 11 people did not have umbrellas
You can write this as a fraction so
4/11 = x/99
Then, multiply both sides by 99 to isolate the variable.
So x is going to equal 99 times 4 divided by 11, which is 36. That means 36 people did not have umbrellas.
8 0
3 years ago
Read 2 more answers
Help me please I'm having trouble with this problem ​
sweet [91]
The answer is (4,6) (4,3) (5,4)
7 0
3 years ago
Ann, Mara, Jenny , Tina, and Sue are sisters. Two of the five sisters must help their fatherat his business each Saturday.How ma
JulijaS [17]
There are 10 combinations
3 0
3 years ago
Find the missing number:<br>QUICKLY PLEASE
sp2606 [1]

Answer:

10

Step-by-step explanation:

4 0
3 years ago
Lou's employer covers 70% of the cost of a $3800-per-year health insurance plan and 90% of the cost of a $1200per-year disabilit
gizmo_the_mogwai [7]
To answer this question correctly, first we must find out how much lou pays for health and disability insurance for a year total, then divide that number by 12, for each month of the year to find out how much he pays monthly. The calculation and answer would be the following: ((Health insurance cost * 30%) + (Disability cost * 10%)) / 12 = (1140+120)/12 = $105 monthly
7 0
3 years ago
Read 2 more answers
Other questions:
  • The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 8 to 5. If there were 6
    6·1 answer
  • Over a 14 day period , Jamal went to the store 5 times . Based on this information, which statement best describes how many time
    10·1 answer
  • Find an equation of a parabola with a vertex at the origin and directrix y = -4
    14·1 answer
  • The base of a rectangular pyramid is 13 inches long and 12 inches wide the height of the pyramid is 8 inches what is the volume
    11·1 answer
  • Solve the equation by completing the square x^2-18x+58=0
    14·1 answer
  • What two numbers can multiply to equal -63 as well as add to equal -2?
    9·1 answer
  • Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solut
    8·1 answer
  • What is 285 - 15?<br> 17<br> 28<br> 19<br> 21<br> Please help quickly thanks
    12·1 answer
  • Help me plis i don’t have the minimum idea
    14·1 answer
  • Jackie says that 200 ÷ 18 = 25. Is Jackie correct? Explain.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!