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
Vlad [161]
2 years ago
5

If a² + a + 1=0, find the value of 1 - a -a².​

Mathematics
1 answer:
IRINA_888 [86]2 years ago
7 0

Answer:

2

Step-by-step explanation:

Given: a² +a +1= 0

Bringing a terms to the right-hand side:

1= -a² -a

-a² -a= 1

-a -a²= 1

1 -a -a²

= (-a -a²) +1

= 1 +1

= 2

You might be interested in
cc is guaranteed the larger of $500 per week or 7% of sales. last week she 4 sold $6785. How much was her check for?​
weeeeeb [17]

Answer:

Step-by-step explanation:

6785*7%=474.95 in commission

500 per week salary is more

6 0
3 years ago
Read 2 more answers
Estimate the side length of a square that has a 9cm long diagonal
Fittoniya [83]
S^2 + s^2 = 9^2 => 2s^2 = 81 => s^2 = 81/2 => side length s = 9(sqrt(2))/2 = 6.37 cm.
7 0
3 years ago
Read 2 more answers
Which equation illustrates the division property of equality? PLEASE HELP ME!!
Mekhanik [1.2K]
C does.  8f = 40   divide both sides by 8 to get f=5
8 0
2 years ago
What is the result when the number 79 is decreased by 17%?
trapecia [35]

Answer:

65.57 should be the correct answer!

Step-by-step explanation:

Here is the whole work I did, hope this helps!

100 - 17 = 83

79 x 0.83 = 65.57

8 0
2 years ago
Read 2 more answers
What is the probability of selecting an ace of diamonds from a deck of cards?
dybincka [34]
4/52 i think if it is well your welcome if it’s not i’m sorry
6 0
3 years ago
Other questions:
  • Round 9 over 16 to 0 1/2 or 1
    12·2 answers
  • Simplify the difference. (4w^2 – 4w – 8) – (2w^2 + 3w – 6)
    12·2 answers
  • Simplify <br> a x b x 8<br> can someone help me out please
    13·1 answer
  • Solve the eguation for A: A÷2=4
    15·2 answers
  • mei has eight jars of soup each jar of soup contains 300 milliliters of soup what is the smallest pot mei can use
    6·1 answer
  • What's the depth of 5cm
    11·1 answer
  • Trains Two trains, Train A and Train B, weigh a total of 192 tons. Train A is heavier than Train B. The
    5·1 answer
  • A turtle is 20 5/6 inches below the surface of the pond. It dives to a depth of 32 1/4. What is the change of the turtles posist
    10·1 answer
  • Craig just purchased a new car. He financed $45000 and must pay it back over 5 years with 11% interest.
    13·1 answer
  • The first step in graphing data in a scatter plot is which of the following?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!