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
Nookie1986 [14]
3 years ago
11

(08.03)

Mathematics
1 answer:
VMariaS [17]3 years ago
8 0

Answer:

rearrange them properly to get

x-y=7

-3x+y=12

( by elimination method)

x-y = 7

-3x+y=

(x+ –3x) + (–y+y) = (7+12)

-2x+0= 19

x= -9.5

from eqn(i)

x-y=7

-9.5 - y=7

-y=16.5

y= -16.5

You might be interested in
Pls help me out!!!!!!!!
Tasya [4]

Answer:

60+3x+5x=180\\8x=120\\x=15

\angle ABC=5x=5\times15=75\textdegree\\\angle ACB=3x=3\times15=45\textdegree

6 0
3 years ago
How do you evaluate a+4=11 when a is 7
Nuetrik [128]

Answer:

u dont that is the answer

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Plzzzzzz helpppppppppp
SSSSS [86.1K]
The perimeter would be 16 units
5 0
3 years ago
Recent study of alcohol drinking practices among college students found that the average number of drinks per week consumed was
VashaNatasha [74]

Answer:

A

Step-by-step explanation:

Here as we can see that minimum drink a person can drink is 0 and is

(3.5-0)/2 =1.75 std deviation away from mean

which reflects that distribution;s right tail is more extended

therefore option A is correct: Distribution is right skewed

4 0
3 years ago
2. Janice is buying paint to paint her new apartment. The store sells paint in one-gallon cans. How accurate does her estimate n
melamori03 [73]

Answer:

2.Janice should know the area of her apartment that  requires painting. This should be followed by calculating the area  that 1 gallon of the paint can completely  paint.Dividing the total area of the apartment to be painted with the area painted by a single gallon can will determined the number of gallon cans to buy for the apartment painting.

3. The approximate distance covered by 20 blocks is 1 mile.This is an example of Manhattan.A city planner can use this estimate to know the distance of a single city block by dividing 1 mile with 20 blocks.She can use 1 mile.

8 0
4 years ago
Other questions:
  • Is this answer correct
    8·1 answer
  • To get the paint colour you want you want you mix 2 parts red, 3 parts cream and 1 part blue. How many litres of blue and cream
    8·1 answer
  • The Sydney Morning Herald - February 8, 2004 reported that in 1961, the average number of children born to Australian women (3.5
    6·1 answer
  • What is the solution to the system of equations below?
    5·1 answer
  • Which equation could be used to find x in AABC? *<br> A<br> 10<br> 320<br> B
    6·1 answer
  • Which of the following statements must be true if AGHI AJKL? Select all the apply.
    13·1 answer
  • Simplify -2.3f+0.9f-14-4
    14·2 answers
  • Thank u to whom ever deleted that QUSTION
    11·1 answer
  • Help me with this one please​
    12·2 answers
  • PLEASSEE HELP ME. this wasnt showing up on asking questions. will mark brainliest
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!