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Olenka [21]
3 years ago
14

What could be the answers to this question? It’s very confusing!

Mathematics
1 answer:
hichkok12 [17]3 years ago
4 0

Answer:

First is x^{2} +4xy+4y^{2}

Second is y^{2} +4xy+4x^{2}

Step-by-step explanation:

Open up equations and do FOIL method.

First equation:

(x + 2y)(x + 2y)

x^2 + 2xy + 2xy + 4y^2

x^{2} +4xy+4y^{2}

Second equation:

(y + 2x)(y + 2x)

y^2 +2xy + 2xy + 4x^2

y^{2} +4xy+4x^{2}

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3 years ago
The 2nd and 5th terms of a gp are 1/18 and 4/243 respectively. Find
Viktor [21]

The third term of the geometric progression will be 1 / 27 with common ratio 2 / 3.

We are given that:

2nd term of geometric progression = 1 / 18

5th term = 4 / 243

Now, we can also write it as:

2nd term = a r ( where r is the common ratio and a is the initial term.)

a r = 1 / 18

5th term = a r⁴

a r⁴ = 4 / 243

Now divide 5th term by 2nd term, we get that:

a r⁴ / a r = ( 4 / 243 ) / ( 1 / 18 )

r³ = 72 / 243

r³ = 8 / 27

r = ∛ (8 / 27)

r = 2 / 3

3rd term = a r²

a r² = a r × r

= 1 / 18 × 2 / 3

3rd term = 1 / 27

Therefore, the third term of the geometric progression will be 1 / 27 with common ratio 2 / 3.

Learn more about geometric progression here:

brainly.com/question/24643676

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Your question was incomplete. Please refer the content below:

The 2nd and 5th term of a GP are 1/18 and 4/243 respectively find the 3rd term

6 0
1 year ago
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Brenda is planning her birthday party. She wants to have 10.82 liters of punch, 6.5 gallons of ice cream 3.9 pounds of fudge and
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The answer is 0.4328 liters hope this helped!


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3 years ago
A cylinder has a radius of 1 inch and a height of 1 inch. what is the approximate volume of the cylinder round to the nearest hu
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Answer:3.14

Step-by-step explanation:

Volume of cylinder can be calculated by using the formula V= pir^2h

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A cylinder with radius 1 inch and height of 1 inch is given.

r=1,h=1,π=3.14.

Substituting the given values :

V=3.14(1)^2(1)

Volume of cylinder rounded to nearest tenth is 3.14 cubic inches .

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