Which of the following individuals may be required to undergo HIV testing? a) Employees of a small business with limited health insurance resources b) A technician at an HIV testing lab c) A convicted sex offender d) A nurse applying for a job at a hospital
Answer:
Step-by-step explanation:
The Expression
P = 7 x + 4
Q = 3 x + 5 + 4 x -1
Adding like terms , i.e term containing variables and term containing constants
Q = 3 x + 4 x + 5 -1 [You must be thinking why i have written this, keep in mind Commutative law of addition which is , a + b = b + a, i.e in this expression , 5 + 4 x = 4 x + 5]
So, Q = 7 x + 4
As you can see both P and Q are identical Expressions.
Now we will check each and every option.
1. When x= 2,
P =Q= 7 × 2 + 4= 14 + 4= 18→→→→(True)
2. As for x=4,6
P = Q = 7 × 4 +4=28 + 4=32
P = Q= 7× 6 +4 = 42 +4=46
As , explained above, We saw that both the expressions P and Q are identical.
So , There are infinite values of x , for which these Expression P and Q are identical.
Answer:
see explanation
Step-by-step explanation:
(a ) calculate the slope m using the gradient formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = A(0, 6) and (x₂, y₂ ) = B(3, 0 )
= 
= 
= - 2
(b)
given a line with slope m then the slope of a line perpendicular to it is
= - 
= - 
= 
(c)
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y-intercept )
(0, 6 ) is the y-intercept ⇒ c = 6
y = x + 6 ← equation of perpendicular line
Answer:
13
Step-by-step explanation:
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