Question

please answer the full question and answer all the questions please please please it's very urgent ​

Answer 1

Answer:

Step-by-step explanation:

(20)

p² - 10p + 25 = 0

p² - 5p - 5p + 25 = 0

p(p - 5) - 5(p - 5) = 0

(p -5)(p - 5) = 0

p = 5 ; p = 5

if you want to leave at factorization stage

just leave it at

(p - 5)²

(21)

Since it wants equal plants in a row with number of rows

the plot will look like a square after planting trees.

let s be side of the square

Area of square = s²

1225 = s²

s = 35

number of rows and plants in each row is 35

(22)

Prime Factorize 3645

3645 = 3 × 3 × 3 × 3 × 3 × 3 × 5

there are three pairs of 3 and only single five. So divide the number by 5 to get perfect square.

3645/5 = 729

now 729 is a perfect square of 27

hope this helps ☺️

Answer 2

Answer:

(20)

p² - 10p + 25 = 0

p² - 5p - 5p + 25 = 0

p(p - 5) - 5(p - 5) = 0

(p -5)(p - 5) = 0

p = 5 ; p = 5

if you want to leave at factorization stage

just leave it at

(p - 5)²

(21)

Since it wants equal plants in a row with number of rows

the plot will look like a square after planting trees.

let s be side of the square

Area of square = s²

1225 = s²

s² = 35

number of rows and plants in each row is 35

(22)

Prime Factorize 3645

3645 = 3 × 3 × 3 × 3 × 3 × 3 × 5

there are three pairs of 3 and only single five. So divide the number by 5 to get perfect square.

3645/5 = 729

now 729 is a perfect square of 27