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Viktor [21]
3 years ago
12

The floor of a 15’ x 20’ rectangular room is being covered with carpet tiles each carpet tiles cover 6 ft.² of floor which of th

e following expressions represents the number of carpet tiles needed to cover the entire floor
Mathematics
2 answers:
mamaluj [8]3 years ago
7 0
It’s 15 times 20 divided by 6
Blababa [14]3 years ago
6 0

Answer:

15 * 20 / 6

Step-by-step explanation:

1. Find the area of the room, 300.

2. Just divide 300 from 6

3. you get 50 tiles

4. It's asking for an expression, so 15 * 20 / 6

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If f(x) = 4x + 3 and g(x) = 3x, evaluate for X = -1/2
miskamm [114]

Answer:

 f(-\frac{1}{2}) = 1

g(-\frac{1}{2} ) = -\frac{3}{2}

Step-by-step explanation:

Given the function f(x) = 4x + 3 and the function g(x) = 3x, to evaluate for x=-\frac{1}{2}, you need to substitute it into each function.

Then, for the function f(x), when  x=-\frac{1}{2}, you get:

 f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3

 f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3

 f(-\frac{1}{2}) = -\frac{4}{2}+ 3

 f(-\frac{1}{2}) = -2 + 3

 f(-\frac{1}{2}) = 1

For the function g(x), when  x=-\frac{1}{2}, you get:

g(-\frac{1}{2} ) = 3(-\frac{1}{2})

 g(-\frac{1}{2} ) = -\frac{3}{2}

4 0
3 years ago
Read 2 more answers
Chris can read 50 pages of a book in 1 ½ hours. Based on this rate, how many pages will he read in 4 ½ hours?
adelina 88 [10]

Answer:

150

Step-by-step explanation:

50pg=1.5h multiply both by 3 to get 4.5 hours 50x3=150

4 0
3 years ago
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What is the first step in solving the equation 3.5 n + 6.4 = 42.5?
allochka39001 [22]

Answer:

Subtract 6.4 from each side of the equation.

Step-by-step explanation:

3.5 n + 6.4 = 42.5

          -6.4 =  -6.4

           3.5 n  = 36.1

      3.5n/3.5n= 36.1/3.5n

          n=10.3142857

<em>Hope it helps!!!!</em>

5 0
3 years ago
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What is Extended facts
Lostsunrise [7]

Answer:

Extended facts are basic addition facts multiplied by a power of 10, such as 10, 100, 1,000.

Step-by-step explanation:

Example: 7 + 6 = 13 (basic) 70 + 60 = 130 (extended) 700 + 600 = 1300 (extended).

6 0
3 years ago
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The choir is planning a trip to the water park. The cost to use a school bus is $350. Complete the table at the right then graph
faust18 [17]
350÷10=35
350÷15=23 1/3 or 23.34
350÷20=17.50
350÷35=10
8 0
3 years ago
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