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
ankoles [38]
2 years ago
5

Systems of equations..

Mathematics
1 answer:
Black_prince [1.1K]2 years ago
5 0

Answer:

The answer is D

Step-by-step explanation:


You might be interested in
How to do this question
RoseWind [281]
Idek hun I don’t see anything
3 0
3 years ago
Carla and rob left a 20% tip after having lunch at a restaurant the amount of the tip was $6 Carla's lunch cost $15 which equati
siniylev [52]
This question is a little tricky.  Carla had a bill of $15, which we will add to the cost of Rob's lunch.  They left a 20% tip on the TOTAL cost of both their lunches, which should equal $6.  20% is equivalent to 0.2.  So, the equation is 6=0.2(x+15).  In other words, 20% of the sum of Carla and Rob's lunches is 6 dollars.

Answer: 6=0.2(x+15)
6 0
3 years ago
Helppppppp. Find k if the lines 3x-5y=9 & 2x+ky=11 are a)parallel and b)perpendicular
V125BC [204]
For lines to be parallel, they have to have the same slopes. For the equation given as Ax + By + C = 0, the slope is -A / B. Equating the slopes of the given equations of lines,
                                      - (3 / -5) = - (2 / k)
The value of k is equal to -10/3. 
7 0
2 years ago
Read 2 more answers
State whether the system is consistent and independent, consistent and dependent or inconsistent.
user100 [1]

Answer:

The correct option is 1.

Step-by-step explanation:

Inconsistent system: If the given system has no solutions, then it is an inconsistent system.

Consistent and independent system: If the given system has only one solutions, then it is an consistent and independent system.

Consistent and dependent system: If the given system has many solutions, then it is an consistent and dependent system.

The given equations are

x+3y=18        .... (1)

-x+2y=7         ..... (2)

Add both equations.

x+3y-x+2y=18+7

5y=25

y=5

Substitute this value in equation (1).

x+3(5)=18

x+15=18

x=3

The system of equations has only one solution, i.e.,(3,5).

Therefore the given system is consistent and independent. Option 1 is correct.

7 0
3 years ago
Read 2 more answers
Assume that Santa has to deliver presents to almost 22 million kids an hour on the night before Christmas. What is his delivery
DENIUS [597]

Answer:

It's about 6,111 kids per second.

Step-by-step explanation:

1 hour = 60 minutes

1 minute = 60 seconds

60*60=3600

1 hour = 3600

hourly rate -> 22,000,000 kids/hr

secondly rate -> 22,000,000/3600 ≈ 6,111

secondly rate -> 6,111 kids/second

7 0
3 years ago
Other questions:
  • Three less than the sum of four times a number and six is eight. Find the number.
    11·2 answers
  • The graph shows how many centimeters above a table top, y, a painted spot on an automated hamster wheel is for a given number of
    11·1 answer
  • 42) According to the 2000 Census the population of Canton was 7,720. Holly Spring's population was 3,200. Canton's population in
    15·1 answer
  • Find the first five terms of the sequence in which a1 = 6 and an = –3an – 1 – 12, if n ≥ 2.
    7·1 answer
  • Jacob distributed a survey to his fellow students asking them how many hours they'd spent playing sports in the past day. He als
    14·1 answer
  • Evaluate 4x - 6y for x = 6 and y = 2
    15·2 answers
  • Rigo and Ian went shopping for soccer cleats and practice uniforms. Rigo spent $451, before taxes, and purchased three uniforms
    6·1 answer
  • A building 50 feet tall casts a 75 foot shadow. sarah casts a 6 foot shadow. the triangle formed by the building and its shadow
    14·1 answer
  • Write an absolute value equation that has the solutions x=8​ and x=18
    9·1 answer
  • Anyone who knows this mathematic question.to help please. Am giving the brainliest.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!