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
stepladder [879]
3 years ago
9

If 2=6 3=12 4=20 5=30 6=42 then 9=?

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
8 0

2=6\\ \\ 2\cdot (2+1)=6\\ \\ 3=12\\ \\ 3\cdot (3+1)\cdot 12\\ \\ 4=20\\ \\ 4\cdot (4+1)=20\\ \\ 5=30\\ \\ 5\cdot (5+1)=30\\ \\ 6\cdot (6+1)=42\\ \\ x\cdot (x+1)={ x }^{ 2 }+x\\ \\ for\quad x=9\\ \\ 9\cdot (9+1)=\quad { 9 }^{ 2 }+9\quad =\quad 81+9\quad =\quad 90
<u>
</u>
You might be interested in
52<br> Х<br> degrees<br> PLEASEHEHEH
Tom [10]

Answer:

x = 142 degrees

Step-by-step explanation:

52 + 90 + x = 180

142 + x = 180

-142        -142

-------------------

        x = 38

180 - 38 = 142

Hope this helped.

3 0
3 years ago
Xy to the 7th power divided by x to the 3rd power y to the 4th power
bearhunter [10]

Answer:

y to the 6 over x to the 2

Step-by-step explanation:

4 0
3 years ago
Please anwser
Black_prince [1.1K]
The answers are
M1 = 112°
M2 = 26°
6 0
3 years ago
WILL MARK BRAINLIEST!!!
wolverine [178]

Answer:

Step-by-step explanation:

explain how to do this more

6 0
3 years ago
Read 2 more answers
Help please. Geometry.
Luda [366]

Answer:

Trapezoid i think

7 0
3 years ago
Read 2 more answers
Other questions:
  • G(-5)=-7(-5)+4<br> Can u solve this equation
    11·1 answer
  • Gabriel is signing up for a gym membership with a one-time fee to join and then a
    8·1 answer
  • Given that the measure of ∠x is 73°, and the measure of ∠y is 40°, find the measure of ∠z.
    12·1 answer
  • 3. HELPPP asaaaaaapppppp
    7·1 answer
  • At the mall, buying a pair of shoes and buying a book are independent events.The probability that a shopper buys shoes is 0.15.
    6·2 answers
  • Need help with knowing how to do this
    9·1 answer
  • Drive Down is a racing video game. The game gives each player an initial amount of $5,000 in virtual money. After that, a player
    15·2 answers
  • Select all of the equations that have a solution of 4.
    12·2 answers
  • A quantity with an initial value of 850 grows continuously at a rate of 90% per
    11·1 answer
  • When three or more points lie on the same straight line.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!