Answer:
± sqrt(3)i = x
Step-by-step explanation:
0 = x^2 +3
Subtract 3 from each side
-3 =x^2 +3-3
-3 =x^2
Take the square root of each side
±sqrt(-3) = sqrt(x^2)
±sqrt(-3) = x
We can split sqrt(-3) into sqrt(3) sqrt(-1) and we know that the sqrt(-1) is i
± sqrt(3)sqrt(-1) = x
± sqrt(3)i = x
Answer:
3 9/14
Step-by-step explanation:
Answer:
The choice that matches the graph of the function as is defined to us is:
Graph A.
Step-by-step explanation:
We are given a function f(x) as:
f(x)= 2x if x < 3
and 4 if x ≥ 3
This means that in the region (-∞,3) the graph of a function is a straight line that passes through the origin and has a open circle at x=3.
and in the region [3,∞) the graph is a straight horizontal line i.e. y=4.
Hence, the graph of this function is:
Graph A.
Surfae area
we have 5 faces for the top shape
6 faces for the bottom
find areas of both
top=3*3+3*3+3*3+3*3=45
bottom one=3*10+3*3+3*3+3*10+3*10+3*(10-3)=129
add
45+129=174 mm^2
answer is B
volue
top shape is 3*3*3=27 mm^3
bottom is 10*3*3=90
add
27+90=117 mm^3
answer is C
6. 174 m^2 B
7. 117 mm^2 C
Answer:
D.130°
Step-by-step explanation:
An arc measure ia an angle an arc makes with the circle's centre and is proportional to the angle it subtends to the circumference, arc length.
-Given that AC and BC are diameters, then since they are alternate angles.
#Since angles on one side of a diameter sum up to 180°, mBC is calculated as:
Hence, mBC=130°