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Activity 3: Yes, You Can!
Let's Find Out: How to solve problems involving algebraic expressions?
1. In a square, if the side is five more than twice a number.
a. Write an algebraic expression for the Area. O luott
b. Write an algebraic expression for the Perimeter.cozin ba
2. If the length of a rectangular box is twice a number increased by 5 and its width is a number decreased by
3. Find the perimeter of the rectangular box

paki sagot Ng aus pls​


Sagot :

Answers with solutions:

1.a.4x²+20x+25

let x be the number

2x+5=side

area=a²

area=(2x+5)²

(2x+5)(2x+5)

f=4x²

o=10x

i=10x

l=25

4x²+10x+10x+25= 4x²+20x+25

1.b.8x+20

side=2x+5

perimeter=4a

perimeter=4(2x+5)

perimeter=8x+20

2.paayus po ng tanong