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HACTEHA [7]
3 years ago
5

If you were working with a quadratic equation

Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0

(5x+6)2 is your answer

Genrish500 [490]3 years ago
5 0

Answer:

Step-by-step explanation:

y = 25x² + 60x + 36

= 25(x² + 2.4x) + 36

= 25(x² + 2.4x + 1.2²) - 25·1.2² + 36

= 25(x+1.2)² + 0

vertex (-1.2,0)

axis of symmetry x = -1.2

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Para recortar algumas figuras geométricas, um aluno utilizou uma cartolina com 1mx0,8m. Sabendo que ele recortou 2 triângulos, a
Gnom [1K]

Answer:

7190 cm²

Step-by-step explanation:

Para recortar algumas figuras geométricas, um aluno utilizou uma cartolina de 1 m x 0,8m.

Passo 1

Determine a área de todo o papelão

= Temos dimensões = 1mx0,8m

Área = Comprimento × Largura

= 0,8m²

Nós convertemos para cm²

1 m² = 10.000 cm²

0,8m² = x cm²

Multiplicação cruzada

0,8m² × 10.000 cm² / 1 m²

= 8000 cm²

Passo 2

Sabendo que recortou 2 triângulos, ambos com 20cm de base e 30cm de altura

Encontramos a área de um triângulo

= 1/2 × base × altura

= 1/2 × 20 × 30

= 300cm²

Ele cortou 2 triângulos Portanto, o são dos dois triângulos = 300cm² × 2

= 600cm²

etapa 3

Ele também cortou 2 trapézios ambos com bases de 10cm e 20cm e altura de 7cm.

A área de um trapézio =

1/2 (a + b) h

= 1/2 (10cm + 20cm) × 7cm

= 1/2 × 30 × 7

= 105 cm²

Ele cortou dois trapézios, portanto

A área dos dois trapézios do corte = 105cm² × 2

= 210 cm²

Passo 4

A área total do papelão que foi cortado = 600cm² + 210cm²

= 810 cm²

Etapa 5

Determine em cm² quanto de papelão sobrou.

Isso é calculado como:

Área total do papelão - Área total que foi cortada

= 8000 cm² - 810 cm²

= 7190 cm²

5 0
3 years ago
Two paper drink cups are shaped like cones. The small cone can hold 6 oz of water. The large cone is 4/3 the height and 4/3 the
dolphi86 [110]
The answer you’re looking for is c 4.5 oz
5 0
2 years ago
Please give me answer friend<br>​
Law Incorporation [45]

Answer:

90°

Step-by-step explanation:

right angle - 90°

.....

5 0
2 years ago
Read 2 more answers
Four Representations: Equations, Tables, Words,
andrey2020 [161]

1) C

2) Graph 1

3) a= 3

4) b= 0

Youre welcome :)

5 0
3 years ago
Question 3
DanielleElmas [232]
It would be -6. -4-6 is -10
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