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koban [17]
3 years ago
7

An apartment building is planning on replacing refrigerators in 37 of its units. If the refrigerators cost $565 each, estimate t

he total cost by rounding both numbers to the nearest 10.
Mathematics
2 answers:
KATRIN_1 [288]3 years ago
6 0
The answer is 40 x 570= $22,800
Morgarella [4.7K]3 years ago
4 0
That would be 20,900 your welcome
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kozerog [31]

Answer:

Step-by-step explanation:

          So, to begin the altitude of a triangle is the line segment that starts at the top vertex and ends at the base of the triangle forming a right angle. If we want to find the volume of the of the prism the formula is Ab*h. This is the area of the base, times the height of the prism. This is true because a simple expination of volume is a box filled with stuff. To count how much stuff we have in the box the formula uses layers. Volume is just like a lot of 2 dimential areas stacked on top of each other. So taking the area of the flat base and puting it on top of it self 10 time will give you the same prism thats in the problem. Now we just have to apply the consept. Since the base is a triangle and we need to find the area. The formula is b*h*1/2. Base time height times 1/2. The reason for this is also simlar to area. A triangle is half of a square, so to find the area of a square the formula is L*W. Since a triangle is half of a square you just multipuly it by 1/2. When solved you will get 4*3.5*1/2=7, the area of the base is 7 cm^2. Now appling the topic above we stack the base 10 times, so 7*10=70. In conculstion the volume of the prism would be 70 cm^2.

6 0
3 years ago
How many times will the digit "3" appear if we write all whole numbers from 1-9999?
Marysya12 [62]

Answer:

4000

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from 1 - 1000 = 300

1's    = 100

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100's = 100

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then add in all the 3000's (ie 3001,3002, etc ) that adds one more thousand

3000 + 1000 = 4000

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3 years ago
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butalik [34]

Answer:

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Step-by-step explanation:

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notsponge [240]

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Step-by-step explanation:

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3 years ago
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9966 [12]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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