Qual o valor de x na equação 3x - 7 = 11?

Quiz de Matemática

Quiz
•
Financial Education
•
7th Grade
•
Medium
RODRIGO ROBERTA
Used 1+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 6
x = 5
x = 4
x = 7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o perímetro de um retângulo de comprimento 12 cm e largura 5 cm?
34 cm
30 cm
35 cm
40 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se você comprar 3 camisetas que custam R$ 25,00 cada e pagar com uma nota de R$ 100,00, quanto vai receber de troco?
R$ 75,00
R$ 25,00
R$ 80,00
R$ 90,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da expressão 2(3x - 5) = 14?
x = 3
x = 4
x = 2
x = 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a área de um triângulo de base 10 cm e altura 6 cm?
30 cm²
60 cm²
50 cm²
15 cm²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma progressão aritmética (PA), o primeiro termo é 3 e a razão é 5. Qual é o quarto termo?
18
23
20
28
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o volume de um cubo que tem aresta de 4 cm?
64 cm³
16 cm³
32 cm³
8 cm³
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