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
DedPeter [7]
3 years ago
6

Solve the simultaneous equations 2x+3y=20 X+5y=31

Mathematics
1 answer:
Lunna [17]3 years ago
4 0

Answer: wwoww you don't know math

way

Step-by-step explanation:

You might be interested in
Convert 49 degrees F to degrees celsius. the formulas are C=5/9 (F-32). F=9/5 C+32.
gulaghasi [49]

Step-by-step explanation:

c=5/9(49-32)

c=9.4

simply use the formula

8 0
3 years ago
Can someone please help me answer this one question plzzzzz
likoan [24]

Answer:

1. B

2. A

3. C

7 0
3 years ago
Read 2 more answers
Slove for 100 points or Brainlest!!! Please i really need this.
jeyben [28]

Answer:

25% decrease

Step-by-step explanation:

I am sure you use the first week for the first then you use the second week. Idk if I explained it good enough but I am sure it is 25% decrease

3 0
3 years ago
Read 2 more answers
Please help!! If correct, get brainliest!
sashaice [31]

Answer:

a) <DXC and < CXB are complementary angles

b) Supplementary angles

<AXB and <DXB

<AXC and DXC

Step-by-step explanation:

Complementary angles: Two angles are complementary angles if their sum equals 90°

Supplementary angles: Two angles are Supplementary angles if their sum equals 180°

a) Name a pair of complementary angles

So, <DXC and < CXB are complementary angles

b) Name two Supplementary angles pair

<AXB and <DXB (their sum equals 180°)

<AXC and DXC ((their sum equals 180°))

4 0
3 years ago
11) How many kilograms of How many kilograms of calcium are there
Over [174]
Answer. A. 78.5 kg
Explanation. First, we must convert the lbs into grams, we can do this my multiplying 454 by 173 and get 78,500. Then convert it to kg, there are 1,000 g in a kg do divide 78,500 by 1,000 to get 78.5 kg. Let me know if it’s correct so others can use it. Brainliest would be appreciated.
Good luck :)
4 0
3 years ago
Other questions:
  • Convert to percent the ratio of 21 to 28 and its reciprocal. By what percent is 21 less than 28? By what percent is 28 larger th
    10·1 answer
  • Lorri had a gross income of $3256.15 during each pay period in 2010. If she got paid monthly, how much of her pay was deducted f
    13·2 answers
  • PLS HELP EASY MATH!!!!
    5·2 answers
  • Can someone please help?!!?!!!​
    7·1 answer
  • GIVING LOTS OF POINTS AND BRAINLEST
    6·2 answers
  • Jessie wants to go to Paris, France. She also wanted to visit Atlanta, Georgia. She decided to book a flight, and decided that i
    9·1 answer
  • 5) 36 = 3b + 4s; Find b ifs = 3
    14·1 answer
  • Triangle XYZ at X(–6,1), Y(4,0), Z(1,3) is reflected across the y-axis. What are the new coordinates of the triangle?
    10·2 answers
  • Please help me im giving brainliest
    9·1 answer
  • For question 1, find the x- and y-intercept of the line.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!