Las razones de los lados de un triángulo rectángulo se llaman razones trigonométricas.
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Answer should be <span>Both Fred's and Victoria's proofs are correct.</span>
The probability that student scored more than 850 we shall proceed as follows:
z=(x-μ)/σ
where:
x=850
μ=750
σ=50
thus
z=(850-750)/50
z=2
thus
P(x>850)=1-P(x<850)=1-P(z<2)=1-0.9772=0.0228
Answer: P(x>850)=0.0228
Answer:
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Step-by-step explanation:
Answer:

Step-by-step explanation:
Given : Expression 
To find : Combine like terms to create an equivalent expression ?
Solution :
Step 1 - Write the expression,

Step 2 - Apply distributive property, 


Step 3 - Combine like terms,




Therefore, 