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
skelet666 [1.2K]
3 years ago
5

Solve this system of equations using the addition method.

Mathematics
1 answer:
damaskus [11]3 years ago
6 0
Eqt 1 = 4a-5b=7
eqt 2 = 4a+5b=17
eqt1+eqt2= 8a=24
a=3  then 4*3-5b=7 
so b=1
You might be interested in
Sinplify 12-3[2x-5(x-1)]
Inessa05 [86]

12-3[2x-5(x-1)]

12-3[2x-5x+5]

12-3[-3x+5]

12+9x-15

9x-3

5 0
3 years ago
You were tiling a kitchen floor that is 10 feet wide by 4 yards long. how many square yards of tile do you need
natali 33 [55]
Hello there!

The correct answer is 13 1/3 yd².

Hope This Helps You!
Good Luck :)
6 0
3 years ago
Read 2 more answers
Please help and also include an explanation so I know how you got the answer.
Nastasia [14]

Answer:

x = 15

Step-by-step explanation:

We know that 4x° + 8x° make a straight angle of 180°.

4x° + 8x° = 180°

12x° = 180°

12x = 180

x = 180/12 = 15

4 0
3 years ago
Read 2 more answers
Which shows the integers in order.
Igoryamba
The answer A shows the integers from greatest to least
5 0
3 years ago
Read 2 more answers
Pleaseeee answer correctly !!!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!
aev [14]

Answer:

132 degrees

Step-by-step explanation:

its the same as the other side since its a rhombus :)

did i help?

7 0
3 years ago
Other questions:
  • What is the area of the backyard without the garden?
    8·1 answer
  • 1 Which expressions are equivalent to 2 -36 +- ? Check all that apply 30+ + 1 + 2 + 3 + 4 +5 4 1 +30 5 2 O 2 + 3 + 4 1 275 +-+30
    15·1 answer
  • Evaluate each expression for the given values of the variables. SHOW ALL WORK.
    10·1 answer
  • Point F is on line CD. Find the measure of angle CFE.
    7·2 answers
  • Find the measure of ∠C in the image below. 60+55+m∠C=180
    9·1 answer
  • 5. Which ordered-pair is a solution of the equation y = - 9x + 4
    12·2 answers
  • I only need help with 10, 11, 12
    13·1 answer
  • What is the following answer for 7/4 x 10?<br> (1) 14<br> (2) 18 1/4<br> (3) 28<br> (4)30 1/2
    9·2 answers
  • Do this jejejejejjejeplsss
    5·1 answer
  • Write 7649 10,000 in decimal notation.​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!