ElectricPavlov

q = quarters                       value = 25q

n = nickels = 30-q              value = 5(30-q)        summed  they equal 330

25q          +     5 (30-q)             = 330        solve fo q the # quarters     then nickels = 30-q

12 m x 60 m = 720m^2

720 m²   x   1ft /.3048m  x  1ft / .3048 m   = ~ 7750 ft²

7750 ft²  / 200ft²/ gal =......... gal

pi r² h            r = 6 in      h = 12 in

10cm square = 10 x10 = 100 cm^{2     (I think that is what you meant by 10 cm square)}

^{pi r^2 = hole area = 3.14}

^{1/2 of the paper would be   50 cm2}

^{50/3.14 =50/3.14 = 15.9235668789808917   or 16 holes}

x^2-3x+1

x^2 -3x +2.25      - 2.25 +1

(x-1.5)² -1.25              b = -1.5    c= -1.25    b+c =..........

r= 20 ft

Find the TOTAL area of the circle   pi r²

the shaded area is a fraction of the total   119^o / 360^o  x  total area = ........  ft²

x = monday

x - 3/4 = tuesday hours     (45 min = 3/4 hour)      summed = 13 3/4

x     +     x-3/4     =  13 3/4

2x = 14 1/2

x = 7 1/4 hours        tuesday = 6 1/2 hours

https://web2.0calc.com/questions/how-are-linear-velocity-and-angular-velocity-related

Since connected by a chain the LINEAR velocities are the same

the ANGULAR velocities are different due to the different radii

small gear 36 rev/min x (pi x 6 cm)/rev = linear velocity =  36 x pi x 6 cm/min                (pi x d = circumference = pi x 6)

large gear has same linear velocity

circumferences ?  Displacement?

What are the choices for the blanks?

This was asked in the last few days....