A 30 inch TV has an aspect ratio of 4:3 . A TV that is 4 feet wide and 3 feet tall has a diagonal length of 5 feet. How can you use this information to figure out the width of the 30 inch TV? Explain.

Q: Find the point on the line 3x + y = 4 which is closest to the point (1, 3). %3D Answer: Σ Note: Your…

A: Note: A point that closest from the line to the point is  on the line perpendicular to the given…

Q: Dora says that of the possible rectangles with the same area, the rectangle with the largest…

A: Formula: Area of rectangle = height ×breadth Perimeter =2(height +breadth)

Q: The length of a rectangle is 10 centimeters, and the perimeter is 32 centimeters. What is the area?

A: Area of rectangle is length * width.

Q: A police car is located 30 feet to the side of a straight road.

A:

Q: A C B Drawing not to scale. Line AB is tangent to the circle with center O. If OB = 3 and if AC = 5,…

A: From the given figure; AC¯=5 OB¯= OC= radius=3 Now find the length of OA OA=AC+OCOA=5+3OA=8

Q: An advertiser rents a rectangular billboard that is 4444 ftft wide and 2020 ftft tall. The rent is…

A: Width of the billboard= 44 ft Height = 20 ft For a billboard, twice as tall height will be 20*2=40…

Q: A diver jumps into the water from a cliff 37 feet above the water. After hitting the water the diver…

A:

Q: Before 2017, a smart phone manufacturer’s phones had a diagonal length of 5.8 inches and an aspect…

A: Before 2017, the diagonal length was 5.8 inches and an aspect ratio of 16:9 The phone is in the…

Q: High definition television (HDTV) gives consumers a wider viewing area, more like a film screen in a…

A:

Q: Mrs. Dorsey is teaching a 5th grade class. She is standing 4 meters in front of Sebastian. Damon is…

A:

Q: Mrs. Eaton is teaching a 5th grade class. She is standing 42 feet in front of Bill. Maura is sitting…

A:

Q: A rectangular room is 25 feet by 32 feet. What is the length of the diagonal distance of the room?

A:

Q: 10. The salesclerk at TV-Rama says that the area of a 52 in. plasma screen is four times as large as…

A: Salesclerk is correct that  the area of a 52 in. plasma screen is four times as large as the area…

Q: A 1.4 m tall child is standing next to a flagpole. The child's shadow is 1.2 m long. At the same…

A: given height of the child is 1.4 m tall shadow of the child is 1.2 m long shadow of the flag pole is…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.