4 years ago

A polygon is a blank figure made up of line segments that do not cross each other. Replace the blank

Mathematics

2 answers:

il63 [147K]4 years ago

8 0

A polygon is closed figure.

aleksklad [387]4 years ago

6 0

It is a closed figure

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If set A has 4 elements and B has 3 elements then set n(AXB) is a) 12 b) 14 c) 24 d) 7

Karo-lina-s [1.5K]

Answer:

The correct option is a.

Step-by-step explanation:

Given information:

Number of elements in set A = 4

Number of elements in set B = 3

We need to find n(A × B). It means we have to find the number of elements in set A × B.

If P and Q are two sets with elements m and n respectively, then the number of element in the set P × Q is m × n.

$n(A\times B)=n(A)\times n(B)$

$n(A\times B)=4\times 3$

$n(A\times B)=12$

The value of n(A × B) is 12. Therefore the correct option is a.

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4 years ago

Which strategy uses place value to correctly solve for 321 x 4?

Dmitry_Shevchenko [17]

Answer:

300x4 =1200

20x4 = 80

1x4 =8

1288

Step-by-step explanation:

Break apart 321 = 300+20+ 1

This is the hundreds, tens, and ones

Then multiply each by 4

Add all together to get answer

5 0

3 years ago

Tell whether each proportion is true or false and prove your answer.

Arte-miy333 [17]

Answer:

the proportion is false

Step-by-step explanation:

5.5/7.5 = 11/15

3.5/7= 1/2

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3 years ago

Which of the following correctly uses absolute value to show the distance between –60 and 11?

MissTica

Answer:

C) |–60 + 11| = |–49| = –49 units

Step-by-step explanation:

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3 years ago

Dan needs Alison to spruce up his classroom. She charges a flat fee of $40 and

sineoko [7]

Answer:

I think she works 10 hours and 30 minutes

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