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
Sav [38]
3 years ago
12

Show me how to do this​

Mathematics
1 answer:
romanna [79]3 years ago
4 0

Answer:

<h2>x = 7 cm</h2>

Step-by-step explanation:

The perimeter of the given triangle:

P = (2x + 1) + (x + 2) + (3x - 9) and P = 36 cm.

Therefore we have the equation:

2x + 1 + x + 2 + 3x - 9 = 36          <em>combine like terms</em>

(2x + x + 3x) + (1 + 2 - 9) = 36

6x - 6 = 36      <em>add 6 to both sides</em>

6x = 42          <em>divide both sides by 6</em>

x = 7

You might be interested in
Find the area of a circle with radius r = 6 cm
BlackZzzverrR [31]
The formula to find the area of a circle is pi x radius^2.

pi = 3.14 (in this case)
radius = 6

6^2 (6 x 6) = 36

36 x 3.14 (radius^2 x pi) = 113.04

So, the area of a circle with radius 6 cm is 113.04 cm.
5 0
2 years ago
What does the problem equal
vesna_86 [32]
Answer: 10•76=760 :)
6 0
3 years ago
Mary is n years old. Write an expressions for her age 10 years ago.
prisoha [69]

Answer:

n-10=a

5 0
2 years ago
Read 2 more answers
Sid says 26 is a multiple of 3. Is Sid correct? Why or why no?
Romashka-Z-Leto [24]

Answer:

The answer to your question is: Incorrect

Step-by-step explanation:

Sid is wrong because 26 is not a multiple of 3.

A number is multiple of three if the sum of its digits is multiple of three.

Example:

               24 =    2 + 4 = 6    6 is a multiple of 3

               27 =    2 + 7 = 9    9 is multiple of 3

but           26 =   2 + 6 = 8    8 is not a multiple of 3

8 0
3 years ago
What is the pie root of 10,470
zhannawk [14.2K]

The pi root of 10,470 is approximately 321.457

6 0
3 years ago
Other questions:
  • Find the measure of angles 1–12 in the complex figure. Explain how you found each angle measure.
    9·1 answer
  • Order these numbers for lest to greatest 1/2 ,1.1 ,5/3 ,2, 0 ,0.4, -2 ,5/8
    6·1 answer
  • Use the given facts about the functions to find the indicated limit.
    6·2 answers
  • Find the area of a triangle bounded by the y-axis, the line f(x)=9−4/7x, and the line perpendicular to f(x) that passes through
    11·1 answer
  • Please help<br><br> find the value of x in the given ratio.<br><br> 2/3=x/15
    12·1 answer
  • Two numbers are in the ratio 3:7
    10·1 answer
  • When comparing the two sets of data, what is a true statement
    6·2 answers
  • Erin opened a savings account that earns 3% simple interest. If she deposts $2,750 and doesnt make any additional deposits or wi
    6·1 answer
  • PLSS HELPP MMEEE FASSTT
    13·2 answers
  • Sophie deposited money into an account in which interest is compoundedsemiannually at a rate of 2.4%. She made no other deposits
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!