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Art [367]
3 years ago
12

Find the product (x+2y)(3x+3y) Help please!

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
6 0

(x+2y)(3x+3y)

Multiply the brackets together

(x)(3x)=3x^2

(x)(3y)=3xy

(2y)(3x)=6xy

(2y)(3y)=6y^2

3x^2+3xy+6xy+6y^2

Answer: 3x^2+9xy+6y^2

olga nikolaevna [1]3 years ago
3 0
3x^2 + 3yx + 6xy +6y^2.
= 3x^2 + 6y^2 + 9 xy
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Answer:

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Step-by-step explanation:

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3 years ago
A certain plant grows 134 inches every week. How long will it take the plant to grow 714 inches?
Bond [772]

The information we know:

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What I did was, I divided 714 by 134 to find the amount of weeks:

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3 years ago
Two classmates, Annie and Whitney, plan to meet in the computer lab to type up their research papers. Annie can type at a speed
madam [21]

The page count will be 10 when the two students will reach the same count.

Step-by-step explanation:

Given,

Typing speed of Annie = 3 pages per hour

Pages already typed by Annie = 4

Let,

x be the number of hours.

y be the total pages typed.

y = 3x+4     Eqn 1

Typing speed of Whitney = 1 page per hour

Pages already types by Whitney = 8

y = 1x+8    Eqn 2

For same number of pages;

Eqn 1 = Eqn 2

3x+4=1x+8\\3x-1x=8-4\\2x=4

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Putting x=2 in Eqn 1

y=3(2)+4\\y=6+4\\y=10

Putting x=2 in Eqn 2

y=2+8\\y=10

The page count will be 10 when the two students will reach the same count.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/11018983
  • brainly.com/question/11145277

#LearnwithBrainly

3 0
4 years ago
A card is chosen at random from a deck of 52 cards. What is the probability that a heart or spade is chosen?
Vlada [557]

It would be 26 because half of 52 is 26 and because you are looking for the spades plus the hearts is u what that in half too and just want on or the other just divide 26 by 2

6 0
3 years ago
Read 2 more answers
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