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
Cloud [144]
3 years ago
6

3x - y = 2 y = 2x -9 what is x and y using substitution

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

3x - y = 2

y = 2x - 9

Substitute:

3x - 2x - 9 = 2

x - 9 = 2

x = 11

Substitute your answer into any equation:

y = 2x - 9

y = 2(11) - 9

y = 22 - 9

y = 13

Answer:

x = 11 ; y = 13

dexar [7]3 years ago
8 0
3x-y=2
y=2x-9

Substitute y

3x - 2x-9 =2

Solve

X-9=2

X=11
You might be interested in
My meal cost $32.50 and I want to tip<br> 16%. What is my total for that meal?
nadya68 [22]

Answer:

Step-by-step explanation:

37.70

4 0
3 years ago
Read 2 more answers
Evaluate the expression 12 - x when x = 4. Show your work.
ArbitrLikvidat [17]

Answer: 8

Step-by-step explanation: 12 minus 4 equals 8

6 0
2 years ago
Read 2 more answers
The scores on an exam are normally distributed with a mean of 77 and a standard deviation of 10. What percent of the scores are
Shtirlitz [24]

<span>The correct answer between all the choices given is the second choice, which is 16%. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span>

5 0
3 years ago
Read 2 more answers
Can Somebody Please Help
Free_Kalibri [48]

Answer:

We have to put the data for purchased item in a frequency table.

Step-by-step explanation:

The diagram is attached below.

Firstly we have to see that how many customers fall under range 0 to 5.

Then 5 to 10.

Then 10 to 15.

Finally

15 to 20.

If we go through the items purchased by customers we can see that item ranges from 0 to 5 have 4 customers.

Item purchased range from 5 to 10 have 2 customers.

Item purchased range from 10 to 15 have 7 customers.

Item purchased range from 15 to 20 have 1 customers.

Total number of customers = 14

As we have total 14 number of customers and they have varied quantity of items purchased.

6 0
3 years ago
Dale finished his English assignment in 1/3 hours . Then he completed his chemistry assignment in 1/2 hours . How much more time
11Alexandr11 [23.1K]

Answer:

1/6 hours

Step-by-step explanation:

Since it wants a fraction form all you have to do is subract 1/3 from 1/2

1/2 - 1/3

cross multiply:

3/2-2/3

subtract the numerator but multiply the denominator and simplify if you have to:

1/6

6 0
3 years ago
Other questions:
  • 1. What is the probability of rolling a number greater than a 4 on a standard dice? Remember to reduce your fraction.
    8·2 answers
  • Solve the inequality -24&lt;×-3-8×. A.×&gt;-3 B. ×&lt;3 C.×&gt;-9 D.×&gt;3
    7·1 answer
  • 5 ordinary quarters and have a quarter with two heads are placed in a hat. one quarter selected at random and tossed twice. if t
    5·1 answer
  • If you travel at the rate of 45 miles per hour how many minutes will it take you to travel 1 mile
    11·1 answer
  • It takes karina 36 minutes to solve 22 problems. What is her unit rate in problems per minute
    6·1 answer
  • Simplify the expression.<br> -10a -<br> 3a
    13·1 answer
  • Help I’m really confused and I don’t understand it
    7·2 answers
  • "the total cost to buy 12 candy bars, if each one costs the same"
    10·1 answer
  • 10.<br> 25<br> xº<br> 40<br> Solve for x. Round to the nearest tenth
    7·1 answer
  • True or false? I'm a two column proof the left Colin a series of deductions
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!