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2 years ago

Factor completely 8y²+6y+1

Mathematics

2 answers:

mel-nik [20]2 years ago

7 0

(2y +1)(4y + 1) is the factored form

jeka942 years ago

5 0

(4y + 1)(2y +1) this should be the answer: How to solve your problem
8

2
+
6

+
1
8
y
2
+
6
y
+
1
Grouping
1
Use the sum-product pattern
8

2
+
6

+
1
8
y
2
+
6
y
+
1
8

2
+
4

+
2

+
1
8
y
2
+
4
y
+
2
y
+
1
2
Common factor from the two pairs
8

2
+
4

+
2

+
1
8
y
2
+
4
y
+
2
y
+
1
4

(
2

+
1
)
+
2

+
1
4
y
(
2
y
+
1
)
+
2
y
+
1
3
Rewrite in factored form
4

(
2

+
1
)
+
2

+
1
4
y
(
2
y
+
1
)
+
2
y
+
1
(
4

+
1
)
(
2

+
1
)
(
4
y
+
1
)
(
2
y
+
1
)
Solution
(
4

+
1
)
(
2

+
1
)

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Classify this triangle by its sides.

HACTEHA [7]

Step-by-step explanation:

ISOCELES TRIANGLE AS IT'S TWO SIDES ARE EQUAL BUT IT'S NOT AN EQUILATERAL TRIANGLE BECAUSE ALL THREE SIDES ARE NOT EQUAL.

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3 years ago

Given: △ABC, m∠A=60°

Anon25 [30]

Answer:

Perimeter = 32.3

Area = 95.24

Step-by-step explanation:

Given:

△ABC, m∠A=60°

m∠C=45°, AB = 9

To find:

Perimeter of △ABC

Area of △ABC

Solution:

Using angle sum property in a triangle:

m∠A + m∠B + m∠C = 180°

m∠B = 180° - 45° - 60° = 75°

As per Sine Rule:

$\dfrac{a}{sinA} = \dfrac{b}{sinB} = \dfrac{c}{sinC}$

Where

$a$ is the side opposite to $\angle A$

$b$ is the side opposite to $\angle B$

$c$ is the side opposite to $\angle C$

$\dfrac{BC}{sin60^\circ} = \dfrac{AC}{sin 75^\circ} = \dfrac{AB}{sin 45^\circ} \\\Rightarrow \dfrac{BC}{\frac{\sqrt3}{2}} = \dfrac{9}{\frac{1}{\sqrt2}} \\\Rightarrow BC = 12.73\times 0.87 \\\Rightarrow BC = 11.08$

$\Rightarrow \dfrac{AC}{0.96} = \dfrac{9}{\frac{1}{\sqrt2}} \\\Rightarrow AC = 12.73\times 0.96 \\\Rightarrow AC = 12.22$

Perimeter of △ABC = AB + BC + AC = 9 + 11.08 + 12.22 = <em>32.3</em>

Area of a triangle is given as:

$\dfrac{1}2\times ab sin(angle\ between\ a\ and\ b)$

$\Rightarrow \dfrac{1}{2}\times AB\times AC\times sinA\\\Rightarrow 9\times 12.22\times sin 60\\\Rightarrow \bold{95.24}$

8 0

3 years ago

Se realizó una encuesta a 10 niños sobre su preferencia en el sabor del pastel. Fresa 20% chocolate 50% y vainilla 30%. Cuál es

dangina [55]

Answer:

a) ¿Cuál es el sabor favorito de los niños?

Chocolate con 50%

b) ¿Cuál es el sabor que menos les gusta a los niños?

Fresa con 20%

c) ¿Qué número de niños representan el 15%, 35% y 50%?

Tenemos 10 hijos,

Por lo tanto

1) 15% = 1.5

2) 35% = 3.5

3) 50% = = 5

Step-by-step explanation:

Se encuestó a 10 niños sobre su preferencia por el sabor del pastel. Fresa 20%

Chocolate 50%

Vainilla 30%.

a) ¿Cuál es el sabor favorito de los niños?

El sabor favorito de los niños es el sabor con mayor porcentaje = Chocolate con 50%

b) ¿Cuál es el sabor que menos les gusta a los niños?

El sabor que menos les gusta a los niños es el sabor con el menor porcentaje = Fresa con 20%

c) ¿Qué número de niños representan el 15%, 35% y 50%?

Tenemos 10 hijos,

Por lo tanto

1) 15% = 15% × 10 = 1,5

2) 35% = 35% × 10 = 3,5

3) 50% = 50% × 10 = 5

6 0

3 years ago

Ramu and ravi borrowed rs 8000

Phoenix [80]

Answer: Rs. 11,520

Step-by-step explanation:

As the method of compounding is not stated, the default of simple interest will be used.

Simple interest is a fixed amount that is paid over the course of the loan and is based on the original amount borrowed.

Formula is:

Amount owed = Amount borrowed * ( 1 + rate * time)

= 8,000 * ( 1 + 8% * 5.5 years)

= 8,000 * 1.44

= rs 11,520

4 0

3 years ago

Which of these triangle pairs can be mapped to each other using both a translation and a rotation about C

Bad White [126]

Answer:

D. On Ed

Step-by-step explanation:

5 0

3 years ago

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Factor completely 8y²+6y+1​

Factor completely 8y²+6y+1