What is the first step in solving the system shown below using substitution? 2x=y-1 y=3x

Mathematics

2 answers:

olga55 [171]3 years ago

7 0

Answer:

you have to solve the first equation for y

Step-by-step explanation:

Ronch [10]3 years ago

5 0

Step-by-step explanation:

At first put the value of y that is 3x in equation 2x=y-1.

Then put the value of x in equation y=3x that comes from the first solving part.

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5. On the cardiac ward of a local hospital, there are 7 nursing assistants. The seven assistants have 7, 8, 5, 9, 10, 10, and 14

almond37 [142]

Answer:

Option OD - 9

Step-by-step explanation:

Given : On the cardiac ward of a local hospital, there are 7 nursing assistants. The seven assistants have 7, 8, 5, 9, 10, 10, and 14 patients, respectively, that they assist.

To find : What is the average number of patients per nursing assistant?

Solution :

The average number of patients per nursing assistant is given by the division of sum of number of patients by total number of nursing.

So, $\text{Average} =\frac{\text{Sum of patients}}{\text{Number of assistants}}$

$\text{Average} =\frac{7+8+5+9+10+10+14}{7}$

$\text{Average} =\frac{63}{7}$

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So, Option OD is correct.

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Step-by-step explanation: :)

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