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
Ilya [14]
3 years ago
8

The sum of two numbers is 31. twice the smaller number is 11 more than the larger number. the positive difference between the nu

mbers is
Mathematics
1 answer:
Artist 52 [7]3 years ago
4 0
(x+y=31)2
2x-y=11
2x+2y=62
- 2x -y=11
3y=51
y=17
x+17=31
x=14
y-x=3
You might be interested in
Write the following sets in set-builder notation: (a) The set of all humans whose first name is Tanya or Nelson.
Ulleksa [173]

Answer:

Step-by-step explanation:

Set is a well defined collection of objects .

We can express set in roaster form or set - builder form

<u>Roaster Form</u>

We express elements within curly brackets using commas between the elements .

<u>Set Builder Form</u>

In set builder form , all the elements of the set possess a common property which is not possess by elements outside the set .

We describe the elements of set using a symbol x which is followed by a colon . After colon , we write property possessed by the element and then enclosed the description within curly brackets .

(a)The set of all humans whose first name is Tanya or Nelson

We need to write this one in set builder form .

Define set as follows : { x ∈ H : H is set of all the humans and x is either Tanya or Nelson }

5 0
3 years ago
A bag contains pennies nickels dimes and quarters. There are 50 coins in all. Of the coins 14 percent are pennies and 42 percent
lord [1]
I believe it’s $5.47
5 0
2 years ago
An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
Artist 52 [7]

Answer:

7.5 m

Step-by-step explanation:

circumference = 360/72 × 3π = 15π

so the radius of the circle =

15π / 2π = 7.5 m

7 0
3 years ago
Hi can you help me with this?​
katrin [286]

Answer:

-3.9/1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
At the fair, 220 balloons are given to 40 children, 3/8 of whom are girls. Each boy receives the same number of balloons. Each g
mixer [17]

Po
Methane(CH4)
Ethane(C2H6)
Propane(C3H8)
Butane(C4H10)
Pentane(C5H12)
Hexane(C6H14)
Jul 3, 2018
http://www.gcesystems.com › what-...
5 0
2 years ago
Other questions:
  • Les had $26.00 when he went to the City Market to buy some fresh fruits and vegetables. When he left, he had $11.70. How much mo
    10·2 answers
  • How to solve this problem step by step
    12·1 answer
  • An air traffic controller spots two airplanes at the same altitude converging to a point as they fly at right angles to each oth
    15·1 answer
  • A book shows an enlarged photo of a carpenter bee. A carpenter bee is about 6×10^-3 m long. The photo is 13.5 cm long. About how
    12·1 answer
  • Three numbers a;b; 9; ... are in geometric sequence. If 1 is subtracted from the first term then
    5·1 answer
  • Find the area of the smaller sector.<br> Round to the nearest tenth.<br> Help needed fast
    15·1 answer
  • Find compound Interest on 10000 for 2 years on 4% intrest compounded half yearly
    13·2 answers
  • Please answer this anyone.
    14·2 answers
  • You have 4/3 chocolate bars. You want to give 1/2 of the chocolate bars you have to your friend. What fraction of the chocolate
    9·2 answers
  • What is the area of a circle with the radius of 16 meters?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!