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
My name is Ann [436]
2 years ago
7

the sum of three numbers is 131. The second of three numbers is seven more than twice the first. The third number is 12 less tha

n first . What equation can be used to solve the problem
Mathematics
1 answer:
spin [16.1K]2 years ago
3 0
No. 1 = x
No. 2 = 2x+7
No. 3 = x-12

Answer:

x+(2x+7)+(x-12) = 131

From there you solve to get the numbers:

34, 75 and 22
You might be interested in
I don't understand this factorisation <br> a2+ 4a+3​
Tomtit [17]

Answer:

\boxed{\sf (a + 3)(a + 1)}

Step-by-step explanation:

\sf Factor  \: the  \: following:  \\  \sf \implies  {a}^{2}  + 4a + 3 \\  \\  \sf The \:  factors  \: of \:  3 \:  that \:  sum \:  to \:  4  \\ \sf are \:  3  \: and  \:  1. \\ \\  \sf So,  \\   \sf \implies {a}^{2}  + (3 + 1)a + 3 \\  \\  \sf \implies   {a}^{2}  + 3a + a + 3 \\  \\  \sf \implies a(a + 3) + 1(a + 3)  \\  \\ \sf \implies (a + 3)(a + 1)

7 0
2 years ago
A survey will ask people if they want
saw5 [17]
Driver because it slows them down
3 0
3 years ago
Read 2 more answers
I need help with this assignment
gulaghasi [49]

Answer:

ℂ:

3 7, 6 2, 4 8, 5 1

()

4 6, 3 5

()

1 7, 2 8

{ᴛʜᴇ ɴᴜᴍʙᴇʀ 10, ɪ ᴀʟsᴏ ᴅᴏɴᴛ ᴋɴᴏᴡ.. sᴏʀʀʏ}

3 0
2 years ago
How much will it cost molly is she used her cell phone for 390 minutes in one month?
Tema [17]
Depending on the Phone plan that the service provider (T-mobile, AT&T, Ect...) offers. State enough information next time. Hope this helps.
8 0
3 years ago
Jenna is deciding between two cell-phone plans. The first plan has a $50 sign-up fee and costs $20 per month. The second plan ha
Anvisha [2.4K]

Answer: 3x-x+2=4

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • The applicants for a soccer coaching position were asked how many years of
    8·1 answer
  • Four times the sum of three and a number is the same as six times the same number. What equation would you write to find the num
    7·1 answer
  • Ayuda porfa, es urgente
    15·1 answer
  • Find the x-intercepts/roots of the polynomial function. Also, identify the degree of the polynomial
    5·1 answer
  • Understanding quadrilateral
    5·1 answer
  • Given this parallelogram, find x? Pls help ;(
    7·1 answer
  • While attending a school carnival, you estimate the ratio of children to adults as If there are 180 people at the carnival, abou
    7·1 answer
  • Simplify:
    15·1 answer
  • Image to help also needed asap :/
    15·1 answer
  • PLSS HELP IMMEDIATELY!!!! ILL MARK BRAINIEST IF U DONT LEAVE A LINK OR GUESS!!!!!
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!