Answer:
Step-by-step explanation:
The ratios of the measures of the angles are ...
D : E : F = 4 : 1 : 1
The sum of ratio units is 6, so each must stand for 180°/6 = 30°. Then the ratios of actual angles are found by multiply the ratio units by 30°:
D : E : F = 120° : 30° : 30°
Angle D is 120°; angles E and F are each 30°.
Answer:
a) 5177
b) 1150
c)66.67%
Step by step explanation:
a) Based on the known dimensions of the balls, you know that the height of the container is 13*3=39 cm, while the radius is 13/2=6.5cm. Using the formula for the volume of a cylinder, you get
cubic centimeters.
b) The volume of a single one of the balls can be found with the formula for the volume of a sphere, or
, or in this case about 1150 cubic centimeters. Multiplying this by 3, you get about 3451 cubic inches.
c) 3451/5177 is almost exactly 2/3, or about 66.67%. Hope this helps!
Answer: 35
Explanation: the ratio is 5:2 so 5 were sold 7 times