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maxonik [38]
3 years ago
15

9x9= 8x8= 8x7= 5x4= Vă rog să mă ajutați

Mathematics
2 answers:
sergiy2304 [10]3 years ago
4 0

Answer:

9×9=72

8×8=64

8×7=56

5×4=20

andreev551 [17]3 years ago
4 0

Answer

9x9=81

8x8=64

8x7=56

5x4=20

Step-by-step explanation:

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60

Step-by-step explanation:

find the area of the missing rectangle:

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find the area of the rectangle:

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Answer:

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Step-by-step explanation:

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A tile factory shipped 342,805 ceramic tile in 2010. In 2011, they shipped 342,805tiles. In which Year did the tile factory ship
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astraxan [27]

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Step-by-step explanation:

5 0
2 years ago
There are premium tickets costing $99 each and rest are regualr tickets costing $25 each. A pile of 120 tickets have a total val
polet [3.4K]

Answer:

There are 38 premium tickets and 82 regular tickets in a pile.

Step-by-step explanation:

Given,

Total number of tickets = 120

Total amount = $5812

Solution,

Let the number of premium tickets be x.

And the number of regular tickets be y.

Total number of tickets is the sum of total number of premium tickets and  total number of regular tickets.

So the equation can be written as;

x+y=120\ \ \ \ \ equation\ 1

Again,total amount  is the sum of total number of premium tickets multiplied by cost of each premium ticket and  total number of regular tickets multiplied by cost of each regular ticket.

So the equation can be written as;

99x+25y=5812\ \ \ \ equation\ 2

Now We will multiply equation 1 by 25 we get;

x+y=120\\25(x+y)=120\times25\\25x+25y= 3000 \ \ \ \ equation\ 3

Now Subtracting equation 3 from equation 2 we get;

(99x+25y)-(25x+25y)=5812-3000\\\\99x+25y-25x-25y=2812\\\\74x=2812\\\\x=\frac{2812}{74}=38

We will now substitute the value of x in equation 1 we get;

x+y=120\\38+y=120\\y=120-38\\y=82

Hence There are 38 premium tickets and 82 regular tickets in a pile.

3 0
3 years ago
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