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
koban [17]
3 years ago
15

Solve this System of equation 3c+6d=18 6c-2d=22

Mathematics
1 answer:
olga55 [171]3 years ago
7 0

Answer:

3x + 6y = 18  \:  \:  \: \\  +  \\ 3 \times (6x - 2y = 22) \:  \:  \: 18x - 6y = 66 \\  \\ 21x = 84 \\ x =  \frac{84}{21}  = 4

c=x=4

d=(18-3×4)÷6=6÷6=1=y

You might be interested in
Which is the solution to the inequality?
makvit [3.9K]

Answer:

b>3.133333333

Step-by-step explanation:

13/5<b-8/15

13/5+8/15<b

39+8/15<b

47/15<b

3.13333333<b

b>3.13333333

6 0
3 years ago
Does anyone know the answer??
andrew-mc [135]

Answer:

it's c

the slope is 5/2 and the y intercept is 10

7 0
3 years ago
What is Depreciation and Amortization?
ladessa [460]
“Amortization and depreciation are two methods of calculating the value for business assets over time. ... Amortization is the practice of spreading an intangible asset's cost over that asset's useful life. Depreciation is the expensing of a fixed asset over its useful life.”
3 0
2 years ago
Read 2 more answers
Solve for px thanks
koban [17]
Px + 12 = 17
px = 5
x = 5/p

ans) D
6 0
3 years ago
Read 2 more answers
Somebody plz help me
bogdanovich [222]

Answer:

i think its B

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the quotient of the two decimal numbers? 6.4×10121.6×103 =
    14·2 answers
  • Geometric mean of 5 and 405
    12·1 answer
  • in febuary you have a balance of $270 in your bank account. each month you deposit $45. let january=1, febuary=2 and so on. brai
    14·1 answer
  • Johnnys dinner bill totaled $75. He left a 15% tip. How much money will johnny spend in all of his dinner?
    8·1 answer
  • Find the inverse of y=3(x+1)^2
    7·1 answer
  • Find the interest on a Principal Balance of $10,000 over the course of eight years with an interest rate of 5.5%. Do this for: S
    13·2 answers
  • What is the value of the x?
    11·1 answer
  • A man bought an item for#5000 and sold it at a loss of 25%. how much did he sell it?​
    11·1 answer
  • A large bag of marbles is 1/2 red,
    5·2 answers
  • Can you all help me also answer this question 3 and 4
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!