If you add both 5.75 and 4.75, you'd get 10.5, so your answer is 10 and a half, so D.
Hello :
<span>a point on the y-axis is : P( 0, y)
</span>PA = PB or PA² = PB².... A(7, -7) B(1,1)
(7-0)²+(-7-y)² = (1-0)² + (1-y)²
49+49+14y+y² = 1+1-2y+y²
16y = - 96
y= - 6
Find the area of the base of the pyramid, then find the area of each side then add the areas. hope this help :)
The mass of the solution is 190 g - 120 g = 70 g. Thus, it's density is 70 g / 50 mL = 1.4 g/mL.
The answer to this question is 2 because 3-3=0×6=0+2=2
