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Wewaii [24]
3 years ago
5

I need help with no. 11 & 12. Pls show your work.

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0
But you're already done....
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Lexi answers 45 questions correctly on a test and earns a 90%. How many questions were on the test?
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Step-by-step explanation:

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3 years ago
Please Help Me In My Math Assignment 12 points
Maslowich

Answer:

3000 m^3

Step-by-step explanation:

A=10*10*15=1500 m^3

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3 years ago
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A scale drawing of a square object has a scale of 1 in. : 5 mm. The scale drawing has a length of 2.5 inches. Find the perimeter
luda_lava [24]

Answer:

Perimeter and area of drawing

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Area = 6.25 In²

Perimeter and area of object

Perimeter = 51.836 mm

Area = 167.936 mm²

Step-by-step explanation:

We are dealing with a square object, so let's talk about the drawing first.

The length of one side = 2.5 In

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Perimeter = 4*2.5

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Area = L*L

Area = 2.5*2.5

Area = 6.25 In²

Letd note that 1 inch =

25.4 millimetres

So 2.5 Inch = 2.5 * 25.4

2.5 In = 63.5 mm.

25.4 mm is to 5mm

63.5 mm is to (63.5*5)/24.5

63.5mm is to 12.959 mm

So the length of actual object is 12.959mm

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Perimeter = 51.836 mm

Area = 12.959²

Area = 167.936 mm²

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3 years ago
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What is MJ’s slugging average?
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