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
spin [16.1K]
3 years ago
14

The sum of two numbers is 126 and their difference is 42. what are two numbers

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
8 0

Answer:

<h2>84, 42</h2>

Step-by-step explanation:

x,\ y-numbers\\\\\text{The system of equations:}\\\\\underline{+\left\{\begin{array}{ccc}x+y=126\\x-y=42\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=168\qquad\text{divide both sides by 2}\\.\qquad x=84\\\\\\\text{Put the value of}\ x\ \text{to the first equation:}\\\\84+y=126\qquad\text{subtract 84 from both sides}\\y=42

You might be interested in
What is the equation of the line in slope-intercept form? Line on a coordinate plane. The line runs through points begin ordered
ki77a [65]

Answer:

5 + 0 = 3 x 0

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
9-3 divided by 1/3 +1
Andrei [34K]
Nine thirds? If so its would be 9/3 / 1/3?

The answer would be 1/3 / 1/3+1 making it 2/3

Im not sure so dont take my word
3 0
3 years ago
Read 2 more answers
Subtract 1.05 from a certain number. Multiply the difference by 0.8, add 2.84 to the product then divide the sum by 0.01 and get
attashe74 [19]
Just do the whole process backwards
700*0.01=7
7-2.84=4.16
4.16/0.8=5.2
5.2+1.05=6.25
8 0
3 years ago
4(x+1) = 3(x+1) What’s x = ?
Elis [28]

Answer:

x = -1

I hope this helps!

4 0
3 years ago
Read 2 more answers
Select the correct answer. Why is it important to look at your audience when speaking? A. So that they don't get bored B. So tha
Norma-Jean [14]

Answer:

c

Step-by-step explanation:

so you can get the attention and intrest them in your speech

7 0
3 years ago
Read 2 more answers
Other questions:
  • 3(x^2+2x-3)-4(4x^2-7x+5) is equivalent to
    6·1 answer
  • Interpret the remainder
    9·1 answer
  • SOMEBODY PLEASEEE HELP ME
    13·1 answer
  • What is the inverse of y=(x+3)2<br><img src="https://tex.z-dn.net/?f=y%20%3D%20%28x%20%2B%203%29%20%7B%20%7D%5E%7B2%7D%20" id="T
    13·2 answers
  • Given: f(x) = 2(x + 1)2 - 5
    12·1 answer
  • For what values of the variable, do the following fractions exist: y^2-1/y+y/y-3
    5·1 answer
  • What does point B represent on the graph?
    5·2 answers
  • 1. The degree of 5x³+4x²+7x degree of the quadratic Polynomial is
    13·1 answer
  • 2. Using only a straightedge and a compass, construct the image of AEFG after a rotation by 180° about point K shown. Leave all
    13·1 answer
  • Write the exponential function that represents the same relationship for each table! please help!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!