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3 years ago

If you Bike for 3 hours at 10mph and then walk for 1 hour at 2 mph. What would be your average speed?

Mathematics

1 answer:

faltersainse [42]3 years ago

8 0

Answer:

Average speed is 8 miles per hour.

Step-by-step explanation:

Given : If you bike for 3 hours at 10 mph and then walk for 1 hour at 2 mph.

Hope this helped!

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The steps for deriving the Quadratic Formula are shown. Which is the BEST choice for the missing reason?

Over [174]

Answer:

A) Factor

Step-by-step explanation:

3 0

3 years ago

Find an equation of the sphere with points P such that the distance from P to A(−3, 4, 4) is twice the distance from P to B(6, 3

NeX [460]

Answer:

Therefore, we conclude that the center of sphere at point

(27/3, -8/3, -8/3) with a radius 6.89.

Step-by-step explanation:

We have the formula for distance, we get

\sqrt{(x+3)^2+(y-4)^2+(z-4)^2} =2· \sqrt{(x-6)^2+(y-3)^2+(z+1)^2}

(x+3)^2+(y-4)^2+(z-4)^2=4·[(x-6)^2+(y-3)^2+(z+1)^2]

x²+6x+9+y²-8y+16+z²-8z+16=4x²-48x+4y²-24y+4z²+8z+184

3x²+3y²+3z²-54x+16y+16z=-143

(x²-54x/3)+(y²+16y/3)+(z²+16z/3)=-143/3

(x²-54x/3+729/9)+(y²+16y/3+64/9)+(z²+16z/3+64/9)=-143/3+729/9+2·64/9

(x-27/3)²+(y+8/3)²+(z+8/3)²=428/9

We calculate a radius \sqrt{428/9} =6.89

Therefore, we conclude that the center of sphere at point

(27/3, -8/3, -8/3) with a radius 6.89.

7 0

3 years ago

True or False: Like the edges of a filled-in area, the endpoints of a polygon do not need to conform to snap points.

kirill [66]

Answer:

The answer is "False."

Explanation:

An area is considered the amount of space that an object occupies. A filled-area subjects the object to be made up of lines. These lines connect with each other to form an "edge."

The connection of the lines in order to define the object's shape or area are considered "snap points." Remember that "polygons" are made of line segments, where their endpoints meet with each other in order to define its closed shaped. <u>Thus, it needs to conform to "snap points."</u>

This explains the answer.

8 0

3 years ago

3. Use the diagram of a REGULAR HEXAGON and follow these steps to solve for the area of a hexagon with sides equal to 4 cm. Leav

Delicious77 [7]

Answer:

There are 6 equilateral triangles

you get an isosceles triangle

the height of the equilateral triangle is 4

this is all I have so far :)

3 0

3 years ago

7. Frank wants to paint his room in the school colors of maroon and white. The floor and

arlik [135]

Frank would need two gallons of maroon painting and one gallon of white painting to paint all his room.

<h3>How much white painting is required?</h3>

Area of the ceiling:

12 feet x 12 feet = 144 squared feet

Assuming the floor has the same area, the total area for the floor and ceiling is 288 square feet.

Area of the door:

3 feet x 7 feet = 21 feet

Total area in white 144 feet + 21 feet = 165 square feet

Total of gallons

1 gallon equals 400 square feet, which means only one gallon of white painting is required.

<h3>How much maroon painting is required?</h3>

Area of one wall:

12 feet x 10 feet = 120 feet
120 feet x 4 walls = 480 square feet
480 square feet - 21 feet (door) = 459 square feet

Considering 1 gallon equals 400 square feet, a total of 2 gallons would be required.

Note: This question is incomplete because the image of the room is missing; below I attach the missing section.

Learn more about area in: brainly.com/question/16151549

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2 years ago