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
Anastaziya [24]
2 years ago
12

Help with both I’ll mark brainliest

Mathematics
1 answer:
UNO [17]2 years ago
8 0

Answer:

add the numbers

Step-by-step explanation:

and subtract step by step

You might be interested in
(n+1)^3-n^3=1+3 (n+1)n using this formulae find the cube of 999.If cube of 1000 is 1000000000.
Nastasia [14]

We use the formula: ( a - b )^3 = a^3 - b^3 - 3ab( a - b);

a = 1000; b = 1;

999^3 = 1000^3 - 1^3 - 3·1000·1( 1000 - 1 ) = 1000000000 - 1 - 3000·999 = 1000000000 - 1 - 2997000 = 997002999;

6 0
3 years ago
When using substitution to solve this system of equations, what is the result of the first step x=6y+3
myrzilka [38]
First step: you have to plug in 6y+3 into the equation and solve
Example: 6y+3+2y = 5
3 0
2 years ago
Hello please help i’ll give brainliest
timofeeve [1]

Explanation:

4. 81

5. 11

6. 9

4 0
3 years ago
Which are equivalent expressions?
polet [3.4K]

Answer:

Which are equivalent expressions?

Check all that are true.

y + x = 2x

x + x + x + x = 4x (true)

x + x = 2x (true)

x + y + y + x = 2x + 2y (true)

x + y + x + x = 2x + y

Step-by-step explanation:

4 0
3 years ago
Jemina has 4 dogs, 8 cats and 12 fish as pets at her house.
eduard

Answer:

8:16

Step-by-step explanation:

6 0
2 years ago
Other questions:
  • A crew of loggers cleared acre of lumber in 4 days. How long will it take the same
    6·2 answers
  • In a hospital wing there are 12 doctors. There are 20 more nurses than doctors. What proportion of the staff are nurses? Write y
    12·1 answer
  • What is the solution to the system of equations graphed below?<br> y = -4x +33<br> y = 5x-1
    11·1 answer
  • The cordinates of the endpoints of RT are R(-6,-5) and T(4,0), and point S is on RT. The coordinates of S are (-2,-3). Which of
    10·1 answer
  • I need help please, can you help me?
    5·1 answer
  • Billy needs 4000 points to become level 7 on battle field 3 . If he has completed 3/5 of what he needs so far how many points do
    6·2 answers
  • Write and solve an equation to find the value of x and a missing angle in the triangle below.
    7·1 answer
  • Offering 30 points and branliest ‼️‼️‼️ show work
    12·2 answers
  • I need an answer ASAP
    6·2 answers
  • Dont get this, please help
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!