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Alika [10]
2 years ago
6

(2x - 3)² Special cases

Mathematics
2 answers:
ruslelena [56]2 years ago
7 0
Answer: 4x^2-12x+9

Explanation: Use (a-b)^2=a^2-2ab+b^2 to expand the expression.

(2x^2)-2*2x*3+3^2

4x^2-2*2x*3+3^2

4x^2-12x+3^2

4x^2-12x+9
Bogdan [553]2 years ago
4 0

Answer:

4x²+12x+9

Step-by-step explanation:

1.   2x times 2x = 4x²

2.  2x times 3 = 12x

3.  3 x 3 = 9   or  3² also equals 9

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I need help I don’t remember these
Levart [38]

4. Using the given formula, replace t with 8 seconds and multiply:

343 x 8 = 2,744 meters.

5. Domain is the X value, replace x with 1/4 and solve:

1/4^2 + 2 = 2 1/8

y= 2 1/8

6 0
3 years ago
Akira and her puppy are both dressing up as superheroes for Halloween this year. Akira needs 1 yard of cloth for her cape. She a
Ahat [919]

The feet of cloth that she should buy for the capes is 4 feet.

<h3>How many feet should she buy?</h3>

The mathematical operations that would be used to determine the answer are addition and multiplication.

Addition is the process of summing two or more numbers together. Multiplication is the process of determining the product of two or more numbers.

The first step is to convert yard to feet

According to the unit of conversion : 1 yard = 3 feet

1 x 3 = 3 feet

The second step is to add the feet needed for Akira's cape with the foot needed for the puppy's cape

Total feet needed = 3 + 1 = 4 feet

To learn more about addition, please check: brainly.com/question/349488

#SPJ1

8 0
1 year ago
Please help me out!!! :) 
Olin [163]

it would be > because the square root of 2 is more than 1.

8 0
3 years ago
Read 2 more answers
7kg :420g simplest form​
DENIUS [597]

Answer:

50:3

Step-by-step explanation:

7000g:420  both are divisible by 70

1000:60 both are divisible by 10

100:6  both are divisible by 2

50:3

please mark me as brainliest!!<3

8 0
2 years ago
Test again help please
netineya [11]

Answer:

4v+3 + 5v +6=180

ans is v=19

hope so its the ans

Step-by-step explanation:

mark as brainliest plzzz

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3 years ago
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