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3 years ago

Which of the following pair of polygons are NOT similar and why

Mathematics

1 answer:

rodikova [14]3 years ago

3 0

Polygon EDF and Polygon BAC
They are not similar since their angles are not equal.

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Jim has 5 computer science books and 3 math books. he has room to arrange four of them on a shelf. he wants at least two compute

zysi [14]

Answer: There are 60 different ways that he can arrange the books.

Step-by-step explanation:

Since we have given that

Number of computer science books = 5

Number of math books = 3

Number of books selected = 4

Atleast Number of computer science = 2

Atleast number of math book = 1

According to question, he wants at least two computer science books and at least one math book, and he wants to keep the computer science books and the math books together.

So, Number of different ways that he can arrange the books is given by

$^5C_2\times ^3C_2+^5C_3\times ^3C_1\\\\=30+30\\\\=60$

Hence, there are 60 different ways that he can arrange the books.

8 0

2 years ago

Somebody help please....

Tems11 [23]

Answer:

4,096

Step-by-step explanation:

It goes like this 4 * -4=-16, 16*4=64, -64*4=256, etc.

You use the sum of the last number but flip the sin to make it opposite like if your some was + make it a negative to get your next product. Hope that made sense!!!!

5 0

2 years ago

The bottom of a ladder must be placed 3 ft from a wall. the ladder is 12 feet long. how far above the ground does the ladder tou

3241004551 [841]

9 feet above the ground, since it has to be 3 feet away from the wall you would have to subtract those 3 feet from the length of the ladder.

6 0

2 years ago

The two triangles below are similar. Which pair are corresponding sides?

yanalaym [24]

Answer:

MN : QR

LN : PQ

LM : PR

Step-by-step explanation:

The ratio seems to be 1 : 2.2

So the corresponding sides are:

MN : QR

LN : PQ

LM : PR

7 0

2 years ago

What does 4^2x-4=1 equal

Lisa [10]

Answer:

x=2

Step-by-step explanation:

4^2x-4=4^0

2x-4=0

2x=4

x=4/2

x=2

4 0

2 years ago

Read 2 more answers