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3 years ago

Mary covered her kitchen floor with

Mathematics

1 answer:

sineoko [7]3 years ago

6 0

Answer:

l x w / s

Step-by-step explanation:

Floor is covered with 10 tiles

Floor measurement: 6 feet length x 5 feet width

Area covered by floor = 6 x 5 = 30 square feet

Since there are 10 tiles, each tile = 30/10 = 3

Hence in terms of equation

if the length of the tile is l and the width w

If s is used to represent the size of each tile

number of tiles needed is l x w / s

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In a small Library there are five non-fiction books for every nine fiction book there are 130 Non-fiction books how many fiction

vova2212 [387]

Answer:

For 130 non-fiction books, the number of fiction books can be from 270 to 278.

Step-by-step explanation:

Given that, there are 5 non-fiction books for every 9 fiction books.

Observe that, if the number of fiction books is less than 9, than there will be no no-fiction books.

So, there are 5 non-fiction books for every 9 to (9+8) fiction books

So, by elementary method, there will be 5n non-fiction books for every 9n+8 fiction books, where n is a natural number.

Or, if the number of non-fiction books is 5n, then the number of fiction books will be ranging from 9n to (9n+8).

For, 150 non-fiction books, 5n=150 or n=150/5=30.

Hence, the number of fiction books can be from 9n to (9n+8).

=9x30 to (9x30+8)

=270 to 278.

Hence, for 130 non-fiction books, the number of fiction books can be from 270 to 278.

6 0

3 years ago

How can I find the co-ordinatie of their point of intersection?

alisha [4.7K]

Combine the two equations so that it’s 2x+5=4x-1 and then subtract 2x from both sides. now it’s 5=4x-1 and add 1 to both sides. now is 6=4x 6 divided by 4 is 1.5 so that is the x value. now sub 1.5 as the x value into the first equation so it’s y=2(1.5)+5. you do the math and it’s y=8 (because 1.5 times 2 is 3 and 3+5 is 8) then your point is (1.5,8)

4 0

3 years ago

(d) what is the line integral of f⃗ f→ around the clockwise-oriented triangle with corners at the origin, pp, and qq? Hint: sket

tekilochka [14]

Idk, so good luck!;)

5 0

3 years ago

What is the quotient <br> 13632 divided by 48

Brilliant_brown [7]

Answer:

284 is the answer

7 0

3 years ago

8:54 a.m.

dimaraw [331]

Hello,

The two lights flash at the same time every 18 min
at 8:00 h=480 min =480+0*36
at 8:36 h=516 min =480+1*36
...
54 is not divisible by 36
60+12=72 = 2*36 yes
60+24=84 not
120+24=4*36 yes
180+18=198 not

So 2 times are correct 9:12 and 10:24
Answer G

5 0

3 years ago