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
Alex
2 years ago
14

Figure 3 2n + 10 140 4n -40 80 2n 3n - 20 I need help

Mathematics
1 answer:
abruzzese [7]2 years ago
3 0

Answer:

2n +10= 140

4n- 40= 80

2n= 3n - 20

Step-by-step explanation:

it is the am progression or sum progression

You might be interested in
I have to find the base
Alona [7]

your answer would be 13.5

6 0
3 years ago
What greatest three digit number whose hundreds is two less than its ones digit
kodGreya [7K]

Answer:

799

Step-by-step explanation:

Let x = the hundreds digit

Let y = the ones digit

x = y-2

We want to maximize x and y.  The both have to be single digit numbers

Rewriting this

x+2 =y

The largest x can be is 7 if y is a single digit

x is 7 and y is 9

We can pick the tens digit.  Make it as big as possible to make out number as large as possible

799

4 0
3 years ago
Why must fire extinguishers be routinely maintained?
eduard

Answer: the answer would be To make sure they remain effective.

Step-by-step explanation:

It wouldn't be to make sure they are up to code because fire extinguishers do not use code, code is used in electronics. For the second option and the last option it would not be this because they could be trained in a practice instead of using the real thing.

7 0
2 years ago
Read 2 more answers
Find the value of the expression x3−y3+x2+y2+3 by substituting x=−2 and y=1.
vaieri [72.5K]

\\ \sf\dashrightarrow x^3-y^3+x^2+y^2+3

\\ \sf\dashrightarrow (-2)^3-(1)^3+(-2)^2+(1)^2+3

\\ \sf\dashrightarrow -8-1+4+1+3

\\ \sf\dashrightarrow -9+8

\\ \sf\dashrightarrow -1

8 0
3 years ago
Read 2 more answers
What's the power of 2?
Vikentia [17]
The power of two is any number squared.

Example~ 3*3, 5*5, 8*8
5 0
3 years ago
Other questions:
  • Will surveyed students at his school about whether they have ever gone snowboarding and whether they own a skateboard. He found
    10·2 answers
  • Of 11 available candidates for membership in a university committee, 6 are men and 5 are women. the committee is to consist of 4
    15·1 answer
  • Complete the following theorem.
    9·2 answers
  • Help again please (correct answer only)
    8·2 answers
  • One way to solve the system is to _____________ a variable.
    14·2 answers
  • How to simplify 29/15.
    5·1 answer
  • If you take -25 and add -42 what is the amount
    10·1 answer
  • Nancy sells handcrafted bracelets at a flea market for $7. If her monthly fixed costs are $775 and each bracelet costs her $2.75
    13·1 answer
  • Can you answer 1 and 2
    15·1 answer
  • Garcia is modeling the equation 5x
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!