Solve the equation: 7x = 42. A. x = 7 B. x = – 7 C. x = – 6 D. x = 6
7x = 42 ; x = 42/7; x = 6
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Question
Updated 1/10/2018 4:59:58 PM
Edited by Masamune [1/10/2018 4:59:57 PM], Confirmed by Masamune [1/10/2018 4:59:58 PM]
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Questions asked by the same visitor
Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches. A. 6,280 cu. in. B. 1,570 cu. in. C. 62.8 cu. in. D. 705 cu. in.
Question
Updated 112 days ago|12/27/2018 7:53:57 AM
Volume of a cylinder = pi x (radius squared) x height
Volume of a cylinder with a diameter of 10 inches (and therefore a radius of 10/2 = 5 inches) and a height of 20 inches is:
pi x (5 squared) x 20 cubic inches
= 3.14 x 25 x 20 cubic inches
= 1,570 cubic inches.
The volume of a cylinder with a diameter of 10 inches and a height of 20 inches is: "1,570 cu. in".

Developing

r = diameter / 2
r = 5
V = pi * r² * h
V = 3.14 * 25 * 20
V = 1,570

Added 112 days ago|12/27/2018 7:53:57 AM
The diameter of a Frisbee is 12 inches. What's the area of the Frisbee? A. 452.16 sq. in. B. 37.68 sq. in. C. 18.84 sq. in. D. 113.04 sq. in.
Question
Updated 113 days ago|12/26/2018 7:29:19 PM
Area of a circle = pi x (square of the radius).
Radius of the Frisbee = diameter / 2 = 12/2 = 6 inches.
Area of the Frisbee = pi x (6 squared)
= 3.14 x 36
= 113.04 square inches.
The diameter of a Frisbee is 12 inches. and the area of the Frisbee is: "113.04 sq. in".

Developing

r = 12 / 2 = 6

Area = pi * r^2
Area = 3.14 * 36
Area = 113.04

Added 113 days ago|12/26/2018 7:29:19 PM
Two angles are supplementary. The first angle measures 60°. What's the measurement of the second angle? A. 120° B. 90° C. 180° D. 30°
Question
Updated 1/10/2018 4:58:33 PM
Two angles are supplementary. The first angle measures 60°. The measurement of the second angle is 120°.
180° - 60° = 120°

5. What figure is comprised of two rays that share a common endpoint called a vertex? A. Ray B. Line Segment C. Point D. Angle
Question
Updated 1/11/2018 2:58:25 AM
Ray is comprised of two rays that share a common endpoint called a vertex.
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