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katen-ka-za [31]
3 years ago
8

Evaluate the expression 9z – 4 for z = 3.

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
7 0
9(3)-4
27-4
3 your answer is 3
Sonja [21]3 years ago
4 0

Answer:

27 is the final answer

Step-by-step explanation:

9z-4=

9(3)-4=

27-4=

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The maximum speed an animal can walk in feet per second is a 5.7VI, where l is the animal's leg length in feet. What is the maxi
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Answer:

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Step-by-step explanation:

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AleksandrR [38]
3(x-1) = 2x - y

3x-3 = 2x-y

3x-2x+y = 3

x + y = 3 ----> (1)

2(x+y) = 3+3y

2x + 2y = 3 + 3y

2x + 2y - 3y = 3

2x - y = 3 -----> (2)

make equation (1) and (2) together

x + y + 2x - y = 3+3

3x = 6

x = 2

now make x = 2 in equation (1)

x + y = 3

2 + y = 3

y = 3-2

y = 1



(x,y) = (2,1)
6 0
3 years ago
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