MATHEMATICS MIDDLE SCHOOL

Identify the two-dimensional shape of the cross section if a cube is sliced horizontally. Then identify the two-dimensional shape of the cross section ifa cube is sliced vertically.
Explain why the shape are the same or different

Answers

Answer 1
Answer: [see the pictures attached for a better understanding !]

Horizontal cross section : we get a square in the horizontal plane, its side is the same as the cube's.

Vertical cross section : we get a square in the vertical plane, its side is the same as the cube's.

Hence, the two shapes are the same (two squares with same sides are the same)
Answer 2
Answer:
-- First of all, you haven't specified how the cube itself is situated. 
That would make a difference.
Is it sitting flat on one of its faces ? 
Standing on one vertex ?
Standing on one edge ?

-- If I assume that the cube is sitting on a level, horizontal table, flat
on one of its faces parallel to the table and in contact with it, then ANY
slice that is parallel to any face, whether horizontal or vertical, reveals
a square cross section, congruent to any face of the cube.

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Should you use centimeters or inches to measure a desktop

Answers

Inches 

centimeters would be too small 

Good luck!
Inches cause a desktop is big and inches are bigger than centimeters

20 square root of 270 /4 square root of 3

Answers

Answer:

The most simplified form is 15√10

Step-by-step explanation:

1. Let's simplify the expression:

20√270 ÷ 4√3

20√9 * 30/  4√3 (√270 = √9 * 30)

60 √30/ 4√3

(60 √3 * √10) / 4√3 (√30 = √3 * √10)

60/4 √10 ( We cancel √3 in the numerator and in the denominator)

15√10

The most simplified form is 15√10

what is 89 divided by 6 in long divison

Answers

89 divided by 6 = 14.83… the … are 3's but they go on forever, so you round to the hundredths and the 3 doesn't bump the 3 up so the answer is 14.83

How is linear and nonlinear alike?

Answers

Both linear and non linear represent equations. 
Linear is a straight line and nonlinear is a curved line. I guess they are alike because they are both lines on a graph.

Which expression correctly represents “ten times the difference of a number and six”

Answers

Answer:

Expression will be 10(x - 6).

Step-by-step explanation:

Let the given number is x.

Difference of this number and 6 will be represented by

(x - 6)

Then ten times the difference of this number and 6 will be represented by

10(x - 6)

Therefore, the statement " ten times the difference of a number and six " will be represented  by the expression 10(x - 6)

Answer:

10 * (m * 6)

Step-by-step explanation:

hope thats alright!

Nine is 4% of what number

Answers

Let's call the number we are looking for x

9 = 4% * x

9 = 4/100 * x

9 = 0.04 * x

x = 9/0.04

x = 225

Nine is 4% of 225.

Hope this helped! If you have any other questions or would like further explanation just let me know!! :) 
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