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Ludmilka [50]
3 years ago
9

a box contains 12 1/2 square feet of tiles and cost $40.21. What is the approximate price per square foot?

Mathematics
1 answer:
weqwewe [10]3 years ago
5 0

Answer:$3.22

Step-by-step explanation:Do $40.21 divided by 12.5 (which is the same as 12 1/2)

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Simplify -4 + (-3) + 6
Sedaia [141]
Start off with: -4 + (-3) + 6

First of all, when there is a, + sign and a - sign next to each other, the - side wins.
E.g. 1 +- 3 = 1 - 3

So, apply this to our one:
-4 -3 +6

From there you solve, you can do this using the number line method or whatever you are into:
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3 0
3 years ago
(1) Write the ratio of the volumes of the 500ml bottle and the 2-litre bottle of milk in its simplest form.
Vadim26 [7]

Answer:

1] 1 : 4

2] 250ml

Step-by-step explanation:

1] 500ml : 2 litre

First, the units must be the same.

<em> 2 litre = 2000ml</em>

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     5 : 20

      <u>1 : 4</u>

<u></u>

2]  \frac{2}{4} × 500

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8 0
3 years ago
If you multiply the four-digit number abcd by 4, the order of digits will be reversed. That is, abcd x 4=dcba. The digits a, b,
Arisa [49]
The given is that A B C D <span>x 4 = D C B A
</span><span>
Possible values of A are 1 or 2. It can't be 1 since the </span><span> </span><span>final result A is in unit place and 1 is not possible when we multiply any number by 4
</span><span>
2 B C D x </span><span>4 = </span><span>D C B 2</span>
It is clear above, that D = 8
2 B C 8 x <span>4 = </span><span>8 C B 2</span>
Possible values of B should be 1 or 2
We try B=1

2 1 C 8 x <span>4 = </span><span>8 C 1 2

</span>To find for C, you can use the equation:

(2000+100+10C+8) x 4 = 8000+100C+10+240C = 432-12 = 420
Therefore,

C = 7
So, the number is 2178.
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72000...............

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sattari [20]
90milgrams so add and subtract your answer
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