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
seraphim [82]
3 years ago
9

Find two numbers whose sum is 138 and whose difference is 88

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
6 0
X + y = 138
x - y = 88
--------------------------
x + y = 138
-x   
      y = -x + 138
--------------------------
-> substitute " -x + 138" into y
x- (-x+138) = 88
x + x - 138 = 88
2x - 138 = 88
    + 138
2x = 226
2x/2 = 226/2
x= 113
---------------------------
-> substitute "113" into x to get y
113 - y = 88
-113         -113
-y= -25
y = 25
---------------------------
Our final answers are the two numbers "113" and "25"
You might be interested in
Refer to the attachment and solve
Gekata [30.6K]

Answer:

-8\frac{5}{8}

Step-by-step explanation:

\frac{-27}{4} +\frac{-15}{8}

\frac{-54}{8} +\frac{-15}{8}

\frac{-54-15}{8}

\frac{-69}{8}

-8\frac{5}{8}

6 0
3 years ago
In need of some help please.
Hatshy [7]
By the Pythagorean theorem
  50^2 = x^2 +(x +34)^2
  2500 = 2x^2 +68x + 1156
  x^2 +34x -672 = 0
  (x -14)(x +48) = 0
  x = 14 or -48

The distance from the wall to the base of the ladder is 14 ft.

_____
7-24-25 is a Pythagorean triple. The dimensions here are double those values. It can be handy to know a few of the Pythagorean triples, as that can let you write down the answers to problems without having to go through the equations.
8 0
3 years ago
Explain the summary of slope _intercept equation <br>​
jok3333 [9.3K]

Answer: The slope-intercept form is simply the way of writing the equation of a line so that the slope (steepness) and y-intercept (where the line crosses the vertical y-axis) are immediately apparent. Often, this form is called y = mx + b form. hope this helps pls pls give me brainliest

Step-by-step explanation:

7 0
3 years ago
Marie and Jorge are both trying to lose weight. After 3 months they compared their weight loss. Marie’s weight went from 175 to
Nonamiya [84]
Since I do not have answer choices, I can conclude things that may or may not be an answer choice. Just from the problem, you can tell that Marie lost more weight, because 175 -150 = 25, while 190 - 180 = 10. Indirectly, you can say that she might have worked out more, or changed her diet, although that would merely be an inference. If you have answer choices please let me know and I can answer more. Hope this helps. Please rate, leave a thanks, and mark a brainliest answer (Not necessarily mine).
8 0
3 years ago
Read 2 more answers
Whoever give me the answer to this i will mark them as the Brainest if x = 5,y = 2 and z = 3 then xz ( 4y- 2z) is A. 3445 B. 210
max2010maxim [7]

x= 5 x z= 3 = 15 (4y - 2z) = 60 - -30 = 30 so its C

8 0
3 years ago
Other questions:
  • How much of an alloy that is 10 percent copper should be mixed with 500 ounces of an alloy that is 90?
    10·1 answer
  • A quarter weighs about 0.025 pound.what is this weight written in scientific notation
    15·1 answer
  • A room is 8.5 m long,6.5 m broad and 3.4 m high. It has two doors, each measuring (2 m 1m).Find the cost of painting its four wa
    11·1 answer
  • The formula for continuous compound interest is A = Pert, where A is the amount of money after compounding, P is the original am
    8·2 answers
  • Consider the following dot plot. Of the following statements, which two characteristics of this dot plot make the median a bette
    13·2 answers
  • A storage container is a cylinder with a height of 28.2 cm and a radius of 5 cm. How many liters of water will the storage conta
    14·1 answer
  • Segment RT and Segment GJ are chords that intersect at point H. If RH = 6 units, HT = 5 units, and GH = 3 units, what is the len
    9·1 answer
  • Need help please and thank you
    9·1 answer
  • Write the symbols for the probability that of all the outfielders, a player is not a great hitter.
    9·1 answer
  • 43. What four segments are perpendicular to plane JKPN?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!