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babunello [35]
2 years ago
9

In her metalwork class, Anja cut a square of

Mathematics
1 answer:
Paul [167]2 years ago
8 0

Given:

Anju cut square of tin, of edge 3.7 cm, from a larger square of edge 6.3 cm.

To find:

The area of the remaining tin.

Solution:

Area of a square is:

Area=a^2

Where, a is the edge of the square.

Area of the smaller square is:

A_1=(3.7)^2

A_1=13.69

Area of the larger square is:

A_2=(6.3)^2

A_2=39.69

The area of the remaining tin is:

A=A_2-A_1

A=39.69-13.69

A=26

Therefore, the area of the remaining tin is 26 sq. cm.

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Step-by-step explanation:

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2 years ago
Adam plans to choose a video game from a section of the store where everything is 75%
Minchanka [31]

Answer:

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Step-by-step explanation:

In Adam's expression, d represents the original price of the game. 0.75d represents 75% of the original price; this is the amount of the discount, since everything is 75% off.  Taking the difference of the original price and the discount, d-0.75d, gives us the total price of the game. In Rena's expression, 0.25 represents 25%.  This is because taking 75% off of the price means we still pay 100-75 = 25% of the original price. Multiplying the original price, d, by the 0.25, gives us 25% of the original price; this is the total price.

6 0
3 years ago
What the heck do i put here pls help
Genrish500 [490]

Answer:

I can't answer the whole question but the first one is 7 x 9, or 63 squares. And say you chose a square that is 4 x 3 so that would be the area of the tile you chose. Im sorry I couldn't answer the whole thing but I hope that makes since of what I did, if not please ask questions.

Step-by-step explanation:

5 0
3 years ago
A student is solving the system of equations below. In which line is a mistake first made?
AlexFokin [52]

Answer:

line 1

Step-by-step explanation:

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5 0
3 years ago
May someone help me out with this please
Ilia_Sergeevich [38]
P = $13000, r =6% = 0.06 per year, t = 90 days =  90/360 = 0.25 year

Interest , I = Prt

Interest , I = 13000*0.06*0.25 = 195

Interest owed = $195
6 0
3 years ago
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