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
guajiro [1.7K]
3 years ago
11

Prove: If a^2-a is even then a is even.

Mathematics
1 answer:
Alla [95]3 years ago
6 0

This is not always true. Consider a=3. Then 3^2-3=9-3=6 is even, but a is odd.

You might be interested in
Samuel bought a jacket for $15 in January. The cost of the jacket increased to $27 in September. What percent of the original pr
Mumz [18]
27/15 = 1.8

1.8 * 100% = 180% (D)
4 0
3 years ago
Read 2 more answers
Eight hours equals how many minutes
kvv77 [185]

480. 8 x 60 would equal 480

4 0
3 years ago
Read 2 more answers
Passes through (-2,6) with a slop of -1/4
nikitadnepr [17]

Answer:

y=-1/4x-5 1/2.

Step-by-step explanation:

Using the formula y-y1=m(x-x1), plug in the slope and the numbers and you'll get y=-1/4x-5 1/2.

5 0
3 years ago
Read 2 more answers
(a) Solve the following formula for b.
pav-90 [236]

Answer:

J Trump has to be a great day of school and I have a great

Step-by-step explanation:

you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you for your loss of school and I have a great day of school ii

5 0
2 years ago
Plz answer Quick! WILL GIVE BRAINIEST! ANSWER CORRECTLY! TYSM <333333333
zubka84 [21]

Answer:

<u>4-$55.00</u>

<u>6-$65.00</u>

<u>8-$65.00</u>

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Can you help me with this question?
    7·1 answer
  • What is (x+5)(x-4)=0 Expand and solve for x
    9·2 answers
  • Help plz asap!!!!!!!!!!!!!!!!!!!!!!!!
    14·1 answer
  • A number, n, is multiplied by -3/8. The product is -0.5 What is the value of n?
    13·1 answer
  • Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. The height, h(t), in meters (as it
    7·2 answers
  • A computer company has a special going in which all customers receive a free monitor and scanner with the purchase of a new comp
    10·1 answer
  • Find the distance of a chord 8cm long from the centre of a circle radius 5cm​
    12·1 answer
  • Which is warmer -2 C or -5 C? Help
    11·1 answer
  • The graph plots for equations, a,b,c, and d: which pair of equations have (4,8) as its solution?
    5·1 answer
  • I need all 3 questions please
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!