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r-ruslan [8.4K]
3 years ago
6

4. The walls and the ceiling of a

Mathematics
1 answer:
Grace [21]3 years ago
8 0

Step-by-step explanation:

You need to find the area of the room's walls.

Remember that area of a rectangle is A = length * breadth

Find the area of all FIVE areas to be plastered. Four walls and one ceiling.

There is one GOTCHA in here! The heigth is given in cm. You'll need to convert this to meters.

With the area, you can multiply by the cost given.

Cost = 8.5 * \text{Area of all the walls and ceiling}

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I don’t understand this help me
Zarrin [17]

the property of a rectangle two opposite sides are the same. meaning the length that is X must have the same length on the other side right. Same thing as the side 2 4/5. so there are 2 of that same number. you're basically multiplying it by 2

expression

2x + 2(2 4/5) = P

if you don't understand that it's basically like this

x + x + 2 4/5 + 2 4/5 = P (it's the same as the above expression)

P = perimeter of rectangle

6 0
3 years ago
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Calculate the mean for the three sets of data A=[1,2,3,4,5] B=[2,2,2,2,2] C=[5,7,3,11,14]
Verizon [17]

A = The mean would be 3

B = The mean would be 2

C = The mean would be 8

To calculate mean, you add up all the numbers in a set and then divide by the quantity of numbers in the set.

6 0
4 years ago
Geometry, please answer question ASAP
Aleonysh [2.5K]

Answer:

A

Step-by-step explanation:

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The 3 arcs sum to  360° , then

arc IJ = 360° - (150 + 110)° = 360° - 260° = 100° → A

8 0
3 years ago
Heeeeeeeeelp plissee!!!
taurus [48]
8. C

9. C

10. A

Hope this helped!
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3 years ago
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a pair of socks costs $5.00. a package of 3 pairs costs $12.00. how much would you save if you buy 2 packages instead of 6 indiv
svp [43]
you will save 6 dollars If you buy 2 packages, instead if 6 individual pairs.
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4 years ago
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