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
Damm [24]
4 years ago
7

The sum of three numbers is 61 the second number is 5 times the first while the third is 2 less than the first find the numbers

Mathematics
1 answer:
Fofino [41]4 years ago
6 0

Answer:

9 + 45 + 7 = 61

Step-by-step explanation:

a+b+c = 61...eqn 1

b = 5a...eqn 2

c = a - 2...eqn 3

subst for b and c in eqn 1...

=> a+5a+a-2 = 61

=> 7a = 63

=> a = 9

subst for a in eqn 2...

=> b = 5×9 = 45

subst for a in eqn 3...

=> c = 9-2 = 7

You might be interested in
EXPERTS/ACE/GENIUS ( and people that wanna help answer plz!!)
Ivenika [448]
Multiply 1st equation by 2

2y + 14 = 6x
6x - 2y = 14 (rewrite)
6x - 2y = 12 (2nd equation)
------------------subtract
0 ≠ 2
 no solution

answer
There is no solution


6 0
4 years ago
Determine the domain of the function<br>​
Dovator [93]

Answer: the answer is b

Step-by-step explanation:

( − ∞ , − 7 ) ∪ ( − 7 , 0 ) U( 0 , 7 ) ∪ ( 7 , ∞ )

8 0
3 years ago
Read 2 more answers
I scanned it pls help​
slava [35]
What did you scan, it’s not letting me see it lol
3 0
3 years ago
Read 2 more answers
Question 1 (Multiple Choice Worth 2 points)
madam [21]
1. 4c + 6a < = 120
    4c + 4a < = 100
    if u sub in 20 for c and 6 for a, u will find that the answer is : No,because the bike order does not meet the restrictions of 4c + 6a < = 120 and 4c + 4a < = 100. 
==========================
2. 2x + y < 10
    2x - 4y > 8
    answers are : E,F,G
==========================
3. y < = -2x + 3
    y < = x + 3
==========================
4. y > = -3x + 1
    y < = 1 / 2x + 3
    answer : Both lines are solid. 1 lines passes thru (-2,2) and (0,3), shaded below the line. Other line passes thru (0,1) and (1,-2) and is shaded above the line....I am not 100% sure on this one
==========================
5.y < -3x + 3
   y < x + 2
   answer is (1,-5)
==========================
6. y < = 2x - 2
    y > -x + 3
    
   
    
    
6 0
4 years ago
Read 2 more answers
What pairs of angles in the figures below are verified angles
ankoles [38]

Answer: Option A and option B.

Step-by-step explanation:

By definition,t wo angles are vertical when they share the same vertex, this happen when two lines intersect each other. Therefore, they are opposite and equal.

The angles given in the options of the problem, whicht share the same vertex , are the following angles:

∠ATN and ∠RTD

∠BTD and ∠ATP

Then the answer is: Option A and option B.

6 0
3 years ago
Other questions:
  • At a local music store cd singles are sold for 6.99 and cd albums are sold for 10.99 one day there were 25 cds sold and the sale
    8·1 answer
  • Suppose you deposit 2000 in a savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn dete
    7·2 answers
  • PLEASE PLEASE PLEASE HELP WILL MARK BRAINLIEST
    15·1 answer
  • The weather forecaster says that the probability of rain on Saturday is 20% and the probability of rain on Sunday is 30%. a. Can
    12·1 answer
  • Which is a counterexample to this conjecture? The sum of 3 and any other number is an odd number. A. 3 + 4 = 7 B. 3 + 51 = 54 C.
    12·1 answer
  • Lanika needs a sheet of card that is at least 3/10 mm thick.
    9·1 answer
  • What is the measure of the angle created below?
    10·1 answer
  • Simplify 3(х - 2) + 5x​
    14·2 answers
  • PLEASE HELP<br><br> Problem down below
    6·1 answer
  • It’s an emergency help!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!