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
-BARSIC- [3]
3 years ago
14

Divide 30 in a ratio of 3:2

Mathematics
2 answers:
dusya [7]3 years ago
6 0
3+2=5
30 divided by 5=6
6X3=18
6X2=12
18+12=30
18:12
Sergeeva-Olga [200]3 years ago
4 0
Other\ method:\\\\x;y-searches\\\\  \left\{\begin{array}{ccc}x+y=30&|subtract\ y\ from\ both\ sides\\x:y=3:2\end{array}\right\\\left\{\begin{array}{ccc}x=30-y&(1)\\\frac{x}{y}=\frac{3}{2}&(2)\end{array}\right\\\\subtitute\ (1)\ to\ (2):\\\\\frac{30-y}{y}=\frac{3}{2}\ \ \ \ |cross\ multiply\\\\(3)(y)=(2)(30-y)\\3y=60-2y\ \ \ \ |add\ 2y\ to\ both\ sides\\5y=60\ \ \ \ |divide\ both\ sides\ by\ 5\\\boxed{y=12}

Put\ the\ value\ of\ y\ to\ (1):\\x=30-12\\\boxed{x=18}\\\\Answer:\boxed{\left\{\begin{array}{ccc}x=18\\y=12\end{array}\right\to18:12}
You might be interested in
Jodie ran at an average speed of 10 km/h for 15 minutes.<br> How far did she run in km?
laiz [17]

Answer:

2.5 km

Step-by-step explanation:

15 minutes is

15 minutes * 1 hour/ 60 minutes = 1/4 hour

15 minutes = 1/4 of an hour

10 km/ hour * 1/4 hour = 10/4  km  = 2.5 km

5 0
2 years ago
Read 2 more answers
27.3= 3/4y<br><br>what does y equal?
12345 [234]
The answer would be 36.4
5 0
3 years ago
Can 7 go into 42 and 91
Misha Larkins [42]
7 times 6 is 42
91 divided by 7 is 13
7 0
2 years ago
Read 2 more answers
Choose the graph that represents the equation y = |x + 2| + 2.
Mila [183]

Plot this function y in geogebra and see it yourself

There's no way I can graph the function on here in Brainly....

good luck ;)

5 0
3 years ago
In a set of ordered pairs, the y values repeated while the x values did not repeat.
LiRa [457]
Answer: D

Step by Step: Even though the y value repeats, to be considered not a function is when the X value repeats
7 0
2 years ago
Other questions:
  • Describe in detail how you would create a number line with the following points: 3, 2.25, the opposite of 4, and – (–1 1/2).
    7·1 answer
  • Write the equation that describes the line in slope-intercept form: slope= 4, point (3,-2) is on the line
    10·1 answer
  • Drag each figure to show if it is similar to the figure shown or why it is not similar.
    8·1 answer
  • Add. Simplify the answer and write the answer as a mixed number if appropriate,<br> 4 3 1
    13·1 answer
  • Help. Ignore this i was told to write at least 20 characters
    15·1 answer
  • A 5’5 person weight 4.4kg. How many pounds is this
    14·1 answer
  • I need help. i have no clue what the answer is
    15·1 answer
  • Help plzzzzzzzzzzzzzzzzzzzz
    9·2 answers
  • There are 700 people at a funfair.
    10·2 answers
  • What is 7(m + 4)-2 help me out loooookky
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!