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
Hence, there are 60 different ways that he can arrange the books.
63
Step-by-step explanation:
2x+54=180
2x=180-54
2x=126
divide each side by two u will get x
Answer:
Pencil
Step-by-step explanation:
The perimeter is all the sides added up. Therefore, the answer would be the smallest object, being the pencil.
By two opposite rays.
The explanation is t<span>he straight </span>angle<span> is the only type of </span>angle formed by two opposite rays<span>. All other </span>angles formed by two rays<span> are less than </span>180<span> degrees. Acute </span>angles<span> are between zero and 90 degrees. A right </span>angle<span>, with one </span>ray<span> perpendicular to another, is 90 degrees.
Hope it helped! :)</span>
