MATHEMATICS HIGH SCHOOL

Rory is staying in a cabin on a hill 300 feet above sea level. She walks down the hill to the water’s edge. The equation of her average change in elevation over time is e = 300 – 10t, where t is the time in minutes since she left the cabin, and e is her elevation with regard to sea level. Which values are viable points, and what are their values in the table relating t and e

Answers

Answer 1
Answer: The correct answer :

a = not viable

b = 265

c = 0
Answer 2
Answer:

Answer: a=Not viable,b=265,c=0

Step-by-step explanation: Just did it.

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Which of the following cannot be in the solution set of w/-2< 1?-1
1
-2
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Answers

W can not equal - 2.

the answer is C

-2


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Vinyl peel and-and-stick floor tiles are each 1- foot square. What is the minimum number of these tiles needed to tile the entire floor of a 12-foot by 14- foot rectangular room, and a 12-foot by 4-foot rectangular hallway?

Answers

Answer:

The minimum number of Vinyl peel and stick floor tiles needed is 216 Tiles

Step-by-step explanation:

Here we have area size of Vinyl peel and stick floor tiles = 1 ft²

Size of floor of rectangular room = 12 ft × 14 ft = 168 ft²

Size of floor on rectangular hallway = 12 ft × 4 ft = 48 ft²

Total area of floor in rectangular room and rectangular hallway

= 168 ft² + 48 ft² =  216 ft²

Therefore number of Vinyl peel and stick floor tiles needed =

(Total area of floor in rectangular room and rectangular hallway)÷( Area size of Vinyl peel and stick floor tiles) = 216 ft²/(1 ft²) =  216

Therefore the minimum number of Vinyl peel and stick floor tiles needed =  216 Tiles.

Answer:

Number of tiles to tile the room: 168 tiles

Number of tiles to tile the hallway: 48 tiles

Total number of tiles: 216 tiles

Step-by-step explanation:

To find how many tiles Vinyl needs, we need to find the total area of the room and the hallway, and divide these areas by the area of each floor tile.

The area of a rectangle is calculated with the product between its dimensions (length and width).

Area of floor tile = 1 ft2

Area of rectangular room: 12 foot * 14 foot = 168 ft2

Area of rectangular hallway: 12 foot * 4 foot = 48 ft2

Number of tiles to tile the room: 168/1 = 168 tiles

Number of tiles to tile the hallway: 48/1 = 48 tiles

Total number of tiles: 168 + 48 = 216 tiles

Need help in this question please show work along with answer

Answers

                              (x² - y²)² + (2xy)² = (x² + y²)²
                     (x² - y²)(x² - y²) + 2x²y² = (x² + y²)(x² + y²)
            x²(x² - y²) - y²(x² - y²) + 2x²y² = x²(x² + y²) + y²(x² + y²)
x²(x²) - x²(y²) - y²(x²) + y²(y²) + 2x²y² = x²(x²) + x²(y²) + y²(x²) + y²(y²)
                x⁴ - x²y² - x²y² + y⁴ + 2x²y² = x⁴ + x²y² + x²y² + y⁴
                       x⁴ - 2x²y² + y⁴ + 2x²y² = x⁴ + 2x²y² + y⁴
                       x⁴ - 2x²y² + 2x²y² + y⁴ = x⁴ + 2x²y² + y⁴
                                              x⁴ + y⁴ = x⁴ + 2x²y² + y⁴
                                            - x⁴         - x⁴
                                                     y⁴ = 2x²y² + y⁴
                                                   - y⁴              - y⁴
                                                      0 = 2x²y²
                                                      2       2
                                                      0 = x²y²
                                                      0 = xy

I didn't find the answer to the problem.

How do i learn algebra

Answers

You can use online resources such as khanacademy.org to learn algebra :) There are many websites and books that you can get from the library that can teach you some of the basic information that you will need to know.
Good luck :)
Its a little something cLled the internet

What is the missing value in the equation

2 3/12+3\? =2 5/8

Answers

 2 3/12 +3/x = 2 5/8

simplify to

9x+12/4x = 21/8

Cross multiply

(9x+12)/(4x) = 21/8

(9x+12)*(8) = 21*4x

72x+96 = 84x

Subtract 84 x from both side

72x+96 - 84x = 84x -84x

-12x+96 = 0

Subtract 96 from both sides

-12x+96-96 = 0-96

-12x = -96

Divide both sides by 12

-12x/-12 = -96/-12

x = 8

The missing value is 8


There were 30 days last month, and students attended class 70% of those days. How many days, d, did students attend class last month?

Answers

70% of 30 is 21 so 21x30=630
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