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
s344n2d4d5 [400]
3 years ago
12

Resuma o tema operações com números positivos e negativos POR FAVOR RESPONDA CERTO E RÁPIDO É URGENTE!

Mathematics
1 answer:
wlad13 [49]3 years ago
3 0

Adição (+)

Positivo + Positivo = Positivo

Negativo + Negativo = Negativo

Positivo + Negativo ou Negativo + Positivo

• use o maior número e seu sinal, subtraia

Subtração (-)

Negativo - Positivo = Negativo

Positivo - Negativo = Positivo

Negativo - Negativo = Negativo + Positivo

• use o maior número e seu sinal, subtraia

Multiplicação (x)

Positivo x Positivo = Positivo

Negativo x Negativo = Positivo

Negativo x Positivo = Negativo

Positivo x Negativo = Negativo

• alterar os negativos duplos para um positivo

Divisão (÷)

Positivo ÷ Positivo = Positivo

Negativo ÷ Negativo = Positivo

Negativo ÷ Positivo = Negativo

Positivo ÷ Negativo = Negativo

• alterar os negativos duplos para um positivo

You might be interested in
What is 1/7(2a + 5)? Please help me​
Ksivusya [100]

Answer:

2 a + 5

    7

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
7n2 + 5 = 453<br> Solve the quadratic function
Reptile [31]

7n^2 + 5 = 453

Subtract 5 from both sides:

7n^2 = 448

Divide both sides by 7:

N^2 = 64

Take the square root of both sides:

N = 8

8 0
4 years ago
Read 2 more answers
How do you find the diameter from just knowing the circumference?
Anastaziya [24]
You can find the answer by dividing the circumference by pi (3.14)
6 0
3 years ago
Write the expression in factored form. <br><br> 3m-6n<br> 12x-18y<br> 6x-18
nignag [31]
3m-6n=3(m-2n)\\\\12x-18y=6(2x-3y)\\\\6x-18=6(x-3)
3 0
3 years ago
A system for simplifying expressions that ensures that there is only one right answer is known as the
elena55 [62]
The order of operations is a system for simplifying expressions that ensures that there is only one right answer.
5 0
4 years ago
Other questions:
  • A colony of bacteria is growing exponentially according to the function below, where t is in hours. What will the approximate nu
    15·1 answer
  • 1. Michael's pool has a diameter of 16 feet. What is the surface
    11·1 answer
  • Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts. The total charge was $320. Which equation ca
    13·2 answers
  • Formula Area Trapezoid
    10·2 answers
  • Which statement describes the domain of the function f (x) = StartFraction 3 x Over 4 x squared minus 4 EndFraction?
    11·2 answers
  • A fruit market received a shipment of apples. The market sold them in bags with 14 apples in each bag. It sold 24 bags of apples
    15·2 answers
  • which of the following are good questions to ask when trying to understand a problem A is the variable always positive negative
    13·1 answer
  • Evaluate - 1 - 3 - (-9) + (-5)
    10·1 answer
  • What’s -5 - 3(6x – 8) = -5x + 19
    10·2 answers
  • If f(x) = 1/9x-2, what is f^-1(x)?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!