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Bogdan [553]
3 years ago
8

URGENT!!!! let x= -2, y=4, and z =1/2 evaluate z(y-3x)+x​

Mathematics
1 answer:
lianna [129]3 years ago
7 0

Answer:

The answer is 3.

Step-by-step explanation:

1. You need to substitute the values into the equation

2. You would then have 1/2(4-3(-2))-2

3. Now you have to multiply 3×-2 and you will now have 1/2(4+6)-2

4. Then you have to add what's in the parenthesis and you will have 1/2(10)-2

5. Now multiply 1/2(10) and uou will have 5-2

6. Now subtract 5-2 and that will = 3

(There is also a picture of how I worked it out)

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3 years ago
On his drive from Montpelier, Vermont, to Columbia, South Carolina, Arthur averaged 51 mph. If he had been able to average 60 mp
Llana [10]

Answer:

Distance between Montpelier and Columbia is 1020

Step-by-step explanation:

51 mi/hr average:

d = 51 t  

60 mi/hr average:

d t = 60*(t-3)

Substitute (1) into (2)  

   51 t =  60*(t-3)

   51 t =  60 t + 180

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d = 51 t

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   = 1020

let see distance is 1020 lets check

51 t = 60 * (t-3)

51 (20)= 60* (20-3)

1020   = 60*17

1020 = 1020

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3 years ago
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kolezko [41]

Answer:

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Step-by-step explanation:

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Read 2 more answers
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