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NeX [460]
4 years ago
8

If x=15, y=3 & z=-2 what is the value of x-y _____+x ? yz

Mathematics
1 answer:
Elodia [21]4 years ago
4 0

Answer:

12

Step-by-step explanation:

From the question, the values of x, y and z are as follows.

x=15, y=3 and z= -2

Now, we are to find the value of the expression

\frac{x - y}{yz} + x

we substitute the values of x, y and z into the expression and simplify

\frac{15 - 3}{3( - 2)} + 15

=  \frac{12}{ - 6} + 15

=  - 2+ 15

= 13

Therefore, value of

\frac{x - y}{yz} + x =12

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Step-by-step explanation:

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3 years ago
The distance between two cities is 180km. The distance was covered by a car at the rate of 50km/h, by a bus 45km/h, by a truck a
Gennadij [26K]

Answer:

The speed and time are directly proportional in that the higher the speed the lesser the time and vice versa.

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Step-by-step explanation:

Step one:

given data

The distance between the  two cities is 180km

1.The distance was covered by a car at the rate of 50km/h

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time= distance/velocity

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velocity= distance/time

time= distance/velocity

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3.The distance was covered by a bicycle at 25km/h

The time taken will be

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time= distance/velocity

time= 180/25

time= 7.2 hours

7 0
3 years ago
There are 10x - 8 customers in a store on Monday and 6x + 16 customers on Tuesday. What is the total number of customers for the
Mandarinka [93]

Answer:

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Step-by-step explanation:

7 0
3 years ago
I just need help in this last question plsssss
finlep [7]

Answer:

B) 0.8

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

3 0
2 years ago
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