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ratelena [41]
2 years ago
5

A rectangular playground has a width of 540 feet and a length of 810 feet. Martina makes a scale model of the playground using a

scale of 4 cm : 30 ft. What are the dimensions of Martina's scale model?
Mathematics
1 answer:
abruzzese [7]2 years ago
4 0

Answer:

72 and 108

Step-by-step explanation:

540/30= 18 *4 = 72

and

810/30= 27*4=108

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Answer:

(f o g)(4) = 45

Step-by-step explanation:

f(x)=4x+1

g(x)=x²-5

(f o g)(4)=?

(f o g)(4) = f(g(4))


Calculating g(4):

x=4→g(4)=4²-5

g(4)=16-5

g(4)=11


Replacing g(4)=11

(f o g)(4) = f(g(4))

(f o g)(4) = f(11)


Calculating f(11)

x=11→f(11)=4(11)+1

f(11)=44+1

f(11)=45


Replacing f(11)=45:

(f o g)(4) = f(11)

(f o g)(4) = 45

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Just follow this answer

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