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3 years ago

Ax-bx+y=z the formula that could be used to find x

Mathematics

2 answers:

Illusion [34]3 years ago

5 0

ax-bx+y=z the formula that could be used to find x

Answer:

Art [367]3 years ago

4 0

Answer:

x = $\frac{z-y}{a-b}$

Step-by-step explanation:

Given

ax - bx + y = z ( subtract y from both sides )

ax - bx = z - y ( factor out x on the left side )

x(a - b) = z - y ( divide both sides by (a - b) )

x = $\frac{z-y}{a-b}$

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3 years ago

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

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

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

$\text{Average} =9$

Therefore, The average number of patients per nursing assistant is 9.

So, Option OD is correct.

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