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gladu [14]
3 years ago
7

How do you solve the area of a square

Mathematics
1 answer:
valina [46]3 years ago
3 0
A=a^2 where a is the length of the side of a square.
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Sue wants to use Mental Math to find 2 x 53 write an expression she could use
Vinil7 [7]
You could separate the equation:

2*50+ 2*3=

I know that 2*50= 100; 2*3= 6

100+6= 106

I hope this helps!
~cupcake
7 0
4 years ago
12. Sydney Star bought a new sweatshirt for $42.00. Sales tax was 8%.
levacccp [35]

Answer:

$45.36

Step-by-step explanation:

100 + 8 = 108

42/100 X 108 = 45.36

6 0
3 years ago
Read 2 more answers
What's divisible by 3 and 9?
Alchen [17]
Any number? 18.
3*6=18
9*2=18

Hope this helps!
6 0
4 years ago
What is the perimeter of a sandbox that measures 5 feet by 6 feet?
hjlf

Answer:

22 feet

Step-by-step explanation:

6+5+6+5

= 11+11

= 22

6 0
3 years ago
A triangle has a perimeter of 48" and the dimensions of each side are given as x+3 4x-1 2x-3
Mekhanik [1.2K]
48" means 48 inches

anyway

the perimiter is the distance around or the sum of the sides

perimiter=48=x+3+4x-1+2x-3=7x-1

48=7x-1
add 1 to both sides
49=7x
divide both sides by 7
7=x

x+3=7+3=10

4x-1=4(7)-1=28-1=27

2x-3=2(7)-3=14-3=11

the sides are 10", 27" and 11"
x=7
5 0
4 years ago
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