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
Which of the following values is farthest to the left on the number line? (0.1)2 0.02
Elis [28]
The answer is 0.1 because 0.2 is greater than 0.1
7 0
3 years ago
Read 2 more answers
Can someone help me? I’ll reward points + brainalist (btw only need help with number 5)
Salsk061 [2.6K]

Answer:

A. 55°

hope it can help you

5 0
2 years ago
Read 2 more answers
Alyn drives 20.4 miles in 17 minutes.
Galina-37 [17]

Answer:

  • 12 mph

Step-by-step explanation:

<em>Speed = distance/time</em>

  • Distance = 20.4 miles
  • Time = 17 minutes = 17*1/60 hours = 17/60 hours

<u>Speed is:</u>

  • 20.4 : 17/60 =
  • 20.4*60/17 =
  • 72 mph

<u>Alyn exceeded the limit by:</u>

  • 72 - 60 = 12 mph
5 0
2 years ago
Clara has 1,896 milliliters of juice to make punch. She needs to pour an equal amount of juice into 8 containers. How much juice
Effectus [21]

Answer:

en cada vaso debe verter 237 mililitros

Step-by-step explanation:

1896 Divídelo en 8 es igual que 237 por 8

6 0
2 years ago
What’s the slope and equation
Pie
Y=-10x-100

Rise over run
5 0
2 years ago
Read 2 more answers
Other questions:
  • What are the zeros of 3x squared-5x+2?
    13·1 answer
  • Helppp i dont understand this
    12·2 answers
  • I'll give you brainliest if you answer! All I need is help with number 15!
    8·1 answer
  • How to change a mixed number
    12·1 answer
  • Help please guys I need help
    14·1 answer
  • I need help with my home work please
    15·1 answer
  • Sue and 4 friends buy a box of 362 baseball cards at a yard sale.If they share the cards equally,how many cards will each person
    9·2 answers
  • Find the area of the triangle. Round your answer to the nearest tenth.
    5·1 answer
  • Write an equation of the line that contains point (-5,2) and is parallel to the y-axis
    8·1 answer
  • PLEASE HELP... WILL GIVE BRAINLIEST
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!