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
Elodia [21]
3 years ago
8

Solve system of equation: 7x - 4y = 1 5x - y = -16

Mathematics
1 answer:
dybincka [34]3 years ago
3 0

Answer:

X= -5

y= -9

Step-by-step explanation:

7x -4y = 1

4(5x -y = -16)

(7x - 4y = 1) - (20x -4y = -64)

X= -5

y= -9

You might be interested in
A 30inch piece of wood is 3% of a longer piece of wood. How long is the longer piece of wood?
Shtirlitz [24]

Answer:

1,000 inches

Step-by-step explanation:

if 30in is 3% of the longer wood, then 1% would be 10in. 10 times 100 is 1,000.

4 0
3 years ago
What is 62% of 25 ?<br> im horrible at this plz help
hodyreva [135]
62% of 25

'of' means multiplication.

\sf 62\%\times 25

Convert 62% to a decimal, divide it by 100(since percentages are parts of 100):

62/100 = 0.62

\sf 0.62\times 25

Multiply:

\sf\boxed{\sf 15.5}
4 0
4 years ago
Read 2 more answers
ilgram surveyed both a panel of Yale undergraduates and a panel of psychology professors before he conducted his original experi
Anarel [89]

Answer:

The answer is "Choice A"

Step-by-step explanation:

Please find the numbering of the question in the attached file.

Before they performed his initial experiment, Milgram examined both a Yale undergraduate panel as well as a psychology panel. In all of these polls, the majority of the people expected which less than 1 percent will go to 450 volts, that's why Milgram subsequently surveyed the respondents and found 84% happy they had taken part, but only 1% regretted their participation.

3 0
3 years ago
Evaluate the expression 2x-y for x=17 and y=12
mafiozo [28]

Answer:

The answer is 22.

Step-by-step explanation:

1) Replace the x with 17, and the y with 12.

2) 2(17) - 12

3) 2x17 = 34

4) 34 - 12 = 22

6 0
4 years ago
Read 2 more answers
If log 2=a and log 3=b express log 12 in terms of a and b.
Arisa [49]

Answer:

  2a +b

Step-by-step explanation:

The rule for logarithms is ...

  log(xy) = log(x) +log(y)

__

Applying this to the given problem, we have ...

  log(12) = log(2×2×3)

  = log(2) +log(2) +log(3)

  = a + a + b

  = 2a +b

7 0
3 years ago
Other questions:
  • The diameter of a circle is 24 feet. What
    5·1 answer
  • jen butler has beeb pricing speed-pass train fares for a group trip to new york. three adults and four children must pay $80. tw
    12·1 answer
  • What is the area of the parallelogram shown below
    9·2 answers
  • Item 1<br> Find the measure of the exterior angle.
    15·2 answers
  • I need help pls i will give you brainlist
    10·1 answer
  • Given the function
    6·1 answer
  • For f(x) = 5x+1, find f(x_ when x = 2 and when x = 3.
    10·1 answer
  • Order the numbers 287,901; 287,982; 287,099 from GREATEST to LEAST.
    10·2 answers
  • Hamilton is saving for retirement. He deposits $275 each month at 2.6% annual interest for 30 years. According to his calculatio
    7·1 answer
  • 3 comic books for $6.75
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!