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
PilotLPTM [1.2K]
3 years ago
5

Jenna concludes that (4,9) is the solution to the system of these two equations. which of the following justifies her conclusion

?
A-the point (4,9) appears in both tables
B- only these two lines contain the point (4,9)
C-these two lines have the same rate of change
D-These two lines are perpendicular to each other
Mathematics
1 answer:
nalin [4]3 years ago
5 0

<u><em>Answer:</em></u>

a. The point (4,9) appears in both tables

<u><em>Explanation:</em></u>

<u>Note:</u> This question can be solved without the need of the tables

<u>A solution of a system of equations</u> is defined as a point (or set of points) that satisfy both equations

<u>This means that,</u> this point should belong to all the equations in the system

Now, a table is used to show a set of points that belong to a certain line

This means that, all vales in the table belong to the line they represent

<u>Since the point (4,9) appears in both tables</u>, therefore, it belongs to both lines and, therefore, is a solution to the system of equations consisting of these two lines

Hope this helps :)

You might be interested in
A leprechaun places a magic penny under a girl's pillow. The next night there are 2 magic pennies under her pillow. Each night t
Mrac [35]

Answer:

The girl will have $335,544.32

Step-by-step explanation:

2^25 = 33,554,432

Divide by 100 to turn the amount of pennies into dollars:

33,554,432/100

$335,544.32

3 0
3 years ago
PLEASE HELP!<br><br> which of the following is a monomial?
RideAnS [48]

Answer:

X.

Step-by-step explanation:

Hope this helps.

3 0
3 years ago
Solve #5<br> Is the equation that you use<br> P(t)=P(0)•e^rt ?
Elan Coil [88]
P(t)=(p jk(t)),0 ~ t< 0
5 0
3 years ago
Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

Step-by-step explanation:

A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes

x + y ml that is 50 ml, so

x + y = 50.

There are  0.2x ml of salt in x ml of 20% saline and 0.1y ml of salt in 10% saline. There are 0.12\cdot 50=6 ml of salt in 50 ml of 12% saline. Thus,

0.2x+0.1y=6

15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. Solve this system. From the first equation:

x=50-y

Substitute it into the second equation:

0.2(50-y)+0.1y=6\\ \\10-0.2y+0.1y=6\\ \\-0.1y=6-10\\ \\-0.1y=-4\\ \\y=40\\ \\x=50-y=50-40=10

7 0
3 years ago
Help me pleaseeeeeeeeeeeeeee
dangina [55]

Answer:

W=1000C/tc

Step-by-step explanation:

First multiply both side 1000: 1000C=Wtc

Divide both side by tc: 1000C/tc=W (t, c ≠0)

7 0
3 years ago
Other questions:
  • What is a large metal pot used for cooking over a fire? Hoax, Cauldron, Phantom?
    7·2 answers
  • 2x + 3y -2 +(4y+6z) = ?<br><br> Z= 4 <br> Y=2<br> X=6
    14·2 answers
  • -6x+13=25 what is X
    10·2 answers
  • What is (2 x10^-3) x (4x10^4)?
    13·1 answer
  • You invested money in two funds. Last year, the first fund paid a dividend of 9% and the second a dividend of 3%, and you receiv
    12·1 answer
  • Please anyone help me on this
    6·2 answers
  • Show your work please
    15·1 answer
  • What percent of 200 is 12?​
    14·2 answers
  • What are linear equations​
    5·2 answers
  • Question 14 *blue bubble*
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!