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
just olya [345]
3 years ago
7

Explain how you can use mental math to perform the following addition

Mathematics
1 answer:
larisa86 [58]3 years ago
5 0
Use your fingers or like imagine the problem and just do it
You might be interested in
5y+3+4x identify parts in an algebraic expression
Sphinxa [80]

Answer:

y and x are variables, the 5 in 5y is a coefficient so is the 4 in 4x, the 3 is called a constant

Step-by-step explanation:

7 0
3 years ago
3.(06.01)<br> What is the value of the expression 5^2 +2^2? (2 points)
stepladder [879]

Answer:

29

Step-by-step explanation:

5^2=25

2^2=4

25+4=29

3 0
3 years ago
Read 2 more answers
You purchase a new stereo for $500 it will decrease in value by 16% each year. How would I write this at an exponential equation
ozzi

Answer:

500=-16x

Step-by-step explanation:

8 0
3 years ago
3 (4x - 2) - 5x = 6 - 7 (-x -2)
Alona [7]

Answer:

0=26

Step-by-step explanation:

Distribute

3(4−2)−5=6−7(−−2)

12−6−5=6-7(-x−2)

Combine like terms

12−6−5=6−7(−−2)

7−6=6−7(−−2)

Distribute

7−6=6−7(−−2)

7−6=6+7x+14

Answer

0=26

4 0
3 years ago
Find the solution to the system of equations:<br> y = 2x – 4<br> y = -x – 2
Rzqust [24]

Answer:

   x= 1, 2

   y= -2, 0

   x= 0, 1

   y= -2, -3

7 0
4 years ago
Other questions:
  • A passenger rode the subway 2 blocks west and then 10 blocks south. If all the blocks are the same length, what is the value of
    5·2 answers
  • The perimeter of a square is 1/5 meter. Find the length of each side in meters .How long is the side in centimeters
    6·1 answer
  • Use the distributive property and then combine like terms to simplify this expression: 9x + 5(x + 4)
    10·1 answer
  • In the figure, PQ is parallel to RS. The length of RP is 2 cm; the length of PT is 18 cm; the length of QT is 27 cm. What is the
    10·2 answers
  • Multi-step K is the midpoint of JL, JL=4x-2, and JK=7. Find x, KL, and JL
    5·1 answer
  • Is this graph a function?
    12·2 answers
  • Find the area of the following ellipse Use = 3.14 and round to nearest tenth. a = 8 in.; b = 7 in.
    15·1 answer
  • I'm an idiot. please help​
    8·2 answers
  • Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function repr
    6·1 answer
  • Question 7(Multiple Choice Worth 2 points)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!