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eduard
2 years ago
15

A rectangular floor of area 21.6 m2 is going to be tiled. Each tile is rectangular, and has an area of 288 cm2. An exact number

of tiles can be put into the space. How many tiles will be needed?
Mathematics
1 answer:
PIT_PIT [208]2 years ago
5 0

Answer:

Area of Floor = 21.6.m²

Area of tile = 288 cm² = 0.0288 m²

No. of tiles = Area of floor/ area of tile

= 21.6/0.0288

= 750

<h3>750 tiles can be put into the space </h3>
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zepelin [54]

Answer:

since she is 3/4 the way home she has to go 20 miles cause 15/20 is equal to 3/4

Step-by-step explanation:

6 0
3 years ago
Help please with this iready. Before 11:35. I give thanks
Paladinen [302]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
hree TAs are grading a final exam. There are a total of 60 exams to grade. (a) How many ways are there to distribute the exams a
nalin [4]

Answer:

a. 205320

b. 34220

c. 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

Step-by-step explanation:

a) The number of ways to dustribute exams among the TA's is:

n / (n - r)!

n= number of things to choose from

r= Choosing r number

60P3= 60! / (60 - 3)!

(60)(59)(58)(57)! / (57)!

=205320

B) The number of ways to dustribute the exams among the TA's is:

n! /(n - r)! r!

60C3= 60! /(60 - 3)! 3!

= 60!/ 57! 3!

= 60 × 59 × 58 / 3 × 2 × 1

= 34220

C) The required number of ways is:

60C25 + 60C20 + 60C15

= 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

6 0
3 years ago
A house and a lot are worth $210,000. If
xxTIMURxx [149]
Answer:

182000

Explanation :

H , house
L , lot

H + L = 210000
H = 6.5•L
(6.5L) + L = 210000
L = 28000

H = 6.5(28000) = 182000
7 0
3 years ago
Is there a relationship between the distance and the sum? Is there a relationship between the distance and the difference? A 5-c
Genrish500 [490]

Answer:

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Step-by-step explanation:

We are interested in the last two columns.

If we compare them we see that each value of the distance column is the absolute value of corresponding value of difference:

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  • distance  = 1, 5, 3

Corect choice is C

3 0
2 years ago
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