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mina [271]
3 years ago
15

Paula used these steps to solve an equation:

Mathematics
1 answer:
Lina20 [59]3 years ago
6 0
D, between steps 4 and 5
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One circular table has a diameter of 9 ft, and another circular table has a diameter of 20 ft. How much greater is the area of t
morpeh [17]
Smaller circle:
diameter = 9 ft
radius = diameter/2 = (9 ft)/2 = 4.5 ft
A = pi(r^2) = 3.14159 * (4.5 ft)^2 = 63.62 ft^2

Larger circle:
diameter = 20 ft
radius = diameter/2 = (20 ft)/2 = 10 ft
A = pi(r^2) = 3.14159 * (10 ft)^2 = 314.159 ft^2

Difference = larger are - smaller area

Difference = 314.16 ft^2 - 63.62 ft^2 = 250.54 ft^2

Answer: About 251 ft^2
5 0
3 years ago
Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversel
kow [346]
She can make 12 scarves if the area of each scarf is 4 square feet.
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3 years ago
Find the area enclosed by the graphs of x + y = 6 , x − y = 0 , y + 5x = 6 .
LekaFEV [45]
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6 0
3 years ago
Simplify the folllowing: (xy^3 z^4)
allsm [11]

Answer:

Remove parentheses.     xy³ z^4

4Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Use the commutative and associative properties of multiplication to write an expression equivalent to (4⋅5)⋅3.
Darina [25.2K]
Commutaive property says
ab=ba or expanded to say
abc=cba

associative peropty =
a(bc)=(ab)c

so using that
first mix them up knowing that we can move the parenthaseese
all possible equivelnt ones are
4*(5*3)
(3*5)*4
3*(5*4)
(3*4)*5
3*(4*5)
 
4 0
3 years ago
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