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
Hoochie [10]
3 years ago
11

Solve the following system y= x+ 3 3x +y = 19

Mathematics
1 answer:
Ratling [72]3 years ago
3 0
3x+y=19

y=19-3x and y=x+3, at a solution both x and y are equal so we can say y=y:

19-3x=x+3

19-4x=3

-4x=-16

x=4, and since y=x+3

y=7  so the solution is the point:

(4,7)
You might be interested in
Sofia is buying new skis. She finds that the average price of skis is $500 but the actual price could differ from the average as
prisoha [69]
The equation that best represent the actual prices of the skis is,
                    I x - 500 I ≥ 250
Solving the absolute value equation,
                       x ≤ 750 and x ≥ 250 
Thus, the prices of the skis ranges from 250 to 750. 
5 0
3 years ago
A 95% confidence interval for the mean number of television per American household is (1.15, 4.20). For each of the following st
liq [111]

Answer:

a. False

b. True

c. False

d. False

e.True

f. True

Step-by-step explanation:

The 95% is confidence interval its not a probability estimate. The probability will be different from the confidence interval. Confidence interval is about the population mean and is not calculated based on sample mean. Every confidence interval contains the sample mean. There is 95% confidence that the number of televisions per American household is between 1.15 to 4.20.

7 0
2 years ago
Which number line represents the solution set for the inequality {X24?
zhannawk [14.2K]

Answer:

A.) will be the correct answer to your problem

6 0
3 years ago
HELP FAST HURRY FAST PLZ
Leviafan [203]

Answer:

cant rlly read the question

Step-by-step explanation:

4 0
2 years ago
Write three different improper fractions that equal 4 1/2
salantis [7]
18/4ths, 27/6ths, and 36/8ths.
6 0
3 years ago
Read 2 more answers
Other questions:
  • Calculate population variance from population standard deviation
    9·1 answer
  • Find the value of x. please show your work
    13·1 answer
  • Help from the pic plz I can't do it
    5·2 answers
  • A line contains the points (-1, 6), (6, k) and (20, 3). What is the value of k?
    11·1 answer
  • What is 2x-3 I have no idea what it is
    12·1 answer
  • Which pair of lines are perpendicular lines?
    10·1 answer
  • I need help plssss!?
    9·2 answers
  • F(x) = x2 - 1 r the number that belongs in the gree x = -1; x = [?]​
    12·1 answer
  • Help Pls
    7·2 answers
  • Which geometric figure does not have rotational symmetry?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!