Question and answer
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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Asked 1/10/2018 10:48:08 AM
Updated 1/10/2018 4:59:58 PM
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This answer has been confirmed as correct and helpful.
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
Not Answered
Updated 112 days ago|12/27/2018 7:53:57 AM
2 Answers/Comments
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.
Added 1/10/2018 12:23:37 PM
This answer has been confirmed as correct and helpful.
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
2 Answers/Comments
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.
Added 1/10/2018 12:16:04 PM
This answer has been confirmed as correct and helpful.
The diameter of a Frisbee is 12 inches. and the area of the Frisbee is: "113.04 sq. in".

Developing

Diameter = Radius * 2
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
1 Answer/Comment
Two angles are supplementary. The first angle measures 60°. The measurement of the second angle is 120°.
180° - 60° = 120°



Added 1/10/2018 4:58:33 PM
This answer has been confirmed as correct and helpful.
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
1 Answer/Comment
Ray is comprised of two rays that share a common endpoint called a vertex.
Added 1/11/2018 2:58:25 AM
This answer has been confirmed as correct and helpful.
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