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Pepsi [2]
2 years ago
6

(2x+3y)raise 2 pls can u tell​

Mathematics
2 answers:
Anna007 [38]2 years ago
6 0

Answer:

{4x}^{2}  + 12y +  {9y}^{2}

Step-by-step explanation:

(2x + 3y) {}^{2}  \\  {(a + b)}^{2}  =  {a}^{2}  + 2ab +  {b}^{2}  \\  =  {(2x)}^{2}  + 2 \times 2x \times 3y +  {(3y)}^{2}  \\  = 4 {x}^{2}  + 12y + 9 {y}^{2}  \\ hope \: it \: helps

bogdanovich [222]2 years ago
5 0

Answer:

4x² + 12xy + 9y²

Step-by-step explanation:

Assuming you require the expansion

(2x + 3y)²

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

Each term in the second factor is multiplied by each term in the first factor, that is

2x(2x + 3y) + 3y(2x + 3y) ← distribute both parenthesis

= 4x² + 6xy + 6xy + 9y² ← collect like terms

= 4x² + 12xy + 9y²

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Austin earns $9.75 an hour at a part-time job, and earns $12 each time mowing lawns in the neighborhood. They graph the amount o
kaheart [24]

Answer:

$7.25 at part-time job

$9.00 every time lawn mowed  

       so he would get 33.33 day so we will just say 33 times to get 300 dollars if he gets $9 for mowing.  And 41.37  hours to get $300 and he would have to use x and y graph to find the boundary line.

Step-by-step explanation:

4 0
2 years ago
Is -20 an irrational number or rational number
Gekata [30.6K]

Answer: Rational number

Step-by-step explanation:

Let's write out the properties of rational and irrational numbers.

Rational

  • Integers
  • Whole numbers
  • finite decimals
  • repeating decimals

Irrational

  • not rational numbers

------------------------------------------------------------------------------------------------------------

Looking at the list we made, we can say that -20 is a rational number. -20 is an integer and a whole number. Therefore, it is a rational number.

3 0
3 years ago
Read 2 more answers
The Barber are keeping track of their family energy costs. It costs the Barbers $0.16 per week to run their dishwasher. How much
rosijanka [135]

Answer:

It will cost them $8.32 to run their dishwasher for 52 weeks.

Step-by-step explanation:

With the information provided, you can say that the cost to run the dishwasher is equal to the cost per week for the number of weeks, which would be:

Total cost=$0.16*number of weeks

Since you want to determine the cost to run the dishwasher for 52 weeks, you can replace the number of weeks in the formula to get the answer:

Total cost=$0.16*52

Total cost=$8.32

According to this, the answer is that it will cost them $8.32 to run their dishwasher for 52 weeks.

5 0
3 years ago
Plss show the work<br> –4z + 8 = –2z
IceJOKER [234]

Answer:

z=-4/3

Step-by-step explanation:

8=-6z

z=-8/6

z=-4/3

4 0
2 years ago
Need help with 12 plz
Flura [38]

Answer:

see below    PLEASE GIVE BRAINLIEST

Step-by-step explanation:

HOUSE  - LIBRARY                            = 1 3/5 MILES

LIBRARY - MALL - KYLE'S HOUSE   =  1 1/3 + 4/5 = 4/3 + 4/5 =

                                                                    20/15 + 12/15 = 32/15 = 2 2/15 miles



8 0
3 years ago
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