<span>I answered your question.</span>
Place the midpoint of the protractor on the VERTEX of the angle.Line up one side of the angle with the zero line of the protractor (where you see the number 0).Read the degrees where the other side crosses the number scale.
It is a valid sample because the first eight people were selected to participate? (the first one)
Answer:
Step-by-step explanation:
it is maximum.
when leading coefficient of x² is negative,
It is downward parabola.
or
y=-2x²+10x+1
=-2(x²-5x+(-5/2)²-(-5/2)²)+1
=-2(x-5/2)²+2×25/4+1
=-2(x-5/2)²+25/2+1
=-2(x-5/2)²+27/2
maximum value of y is 27/2 and is attained at x=5/2
vertex is (5/2,27/2)
Answer:
1) 4
2) 15/2
3) 75
Step-by-step explanation:
<span>1 1/5 - 1/2
Convert the mixed number into a improper fraction
6/5 - 1/2
Multiply until both fractions have the same common denominator
12/10 - 5/10
Subtract the numerators but NOT the denominators
Final Answer: 7/10</span>
