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
Lana71 [14]
3 years ago
6

The sum of two numbers is 90. Their difference is 18. Find the numbers.

Mathematics
2 answers:
Naddik [55]3 years ago
5 0

Answer:

36 & 54

Step-by-step explanation:

<em><u>By </u></em><em><u>Question</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

  • Sum of numbers = 90 .
  • Difference of numbers = 18 .

<em><u>Let </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

  • First Number be x .
  • Second number be y .

<em><u>According</u></em><em><u> to</u></em><em><u> </u></em><em><u>1</u></em><em><u>s</u></em><em><u>t</u></em><em><u> </u></em><em><u>condition</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies x + y = 90

<u>According</u><u> to</u><u> </u><u>2</u><u>n</u><u>d</u><u> </u><u>condition</u><u> </u><u>:</u><u>-</u><u> </u>

: \implies x - y = 18

<em><u>Adding</u></em><em><u> the</u></em><em><u> </u></em><em><u>equations</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies 2x = 18 + 90

: \implies 2x = 108

: \implies x = 54

<em><u>Therefore</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em>

: \implies First number = 54

: \implies Second number = 36

viva [34]3 years ago
4 0

Answer:

6 x 15

Step-by-step explanation:

brainliest

plszpzlzlzlzlzz

You might be interested in
I Need Help thanks <br>:)?​
Feliz [49]

Answer:

6)  x = 40.5

8)  x = 16.5

Step-by-step explanation:

6) 45/x = 20/18

simplify and cross-multiply to get:

45/x = 10/9

10x = 405

x = 40.5

8) 22/8 = x/6

11/4 = x/6

4x = 66

x = 33/2

x = 16.5

8 0
3 years ago
What is the value of x?
yuradex [85]

Answer:

x = 12

Step-by-step explanation:

7 0
3 years ago
Can somebody help me with this please
wolverine [178]

It rotates 180 degrees

5 0
3 years ago
An amount a divided by 17
Ad libitum [116K]
What’s the question for it?
8 0
3 years ago
Pls help me with my math
Zinaida [17]
360 / 3 = 120
120 hamburgers • 2 = 240 hotdogs
6 0
3 years ago
Other questions:
  • PICKING BRAINIEST<br> use the diagram to complete the statements (:
    7·1 answer
  • A mobile phone carrier charges an extra fee if a customer uses more than 500 minutes each month. Tom has already used 230 minute
    12·1 answer
  • 100 is smaller than 110 by how many percent?
    15·2 answers
  • These liness pass through the same point
    12·1 answer
  • Roxanna buys an item with a normal price of $30, and uses a 20% off
    5·1 answer
  • I bought a used,beat up car for $2000.i rebuilt it.
    14·1 answer
  • Please help no matter how much math I do I can’t figure this out
    15·2 answers
  • What is the equation of the line that passes through (–5, 0) and (4, 3)?
    8·1 answer
  • If you multiply two decimals that are less than 1, can you predict whether the product will be less than or greater than either
    15·1 answer
  • Plsss help It due tmr plsss
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!