Answer:
672 ways
Step-by-step explanation:
The total number of ways the friends were supposed to sit without restrictions would have been = 6!
= 720 possible ways.
If the girs should sit on the first or last sit
The possible arrangement= 2!4!
= 2*24
= 48
But now the two girls should be arranged in such a way that the don't sit on either the first or the last chair.
So the possible way now is= way without restriction - way if the girls are to sit at either first or last sit
= 720-48
= 672
Hello!
The formula for the area of a triangle is a=1/2bh. Our area is 10. This means that it was half of 20. 20/5 is 4.
The basis is is four square inches.
Hope this helps!
Answer:
A
Step-by-step explanation:
- He spends:
- 30 mins on History
- 60 mins on English
- x mins on math
- so the total time he spends is
- one fourth of this is his math time, since x is math time, then we have
- But we know what totaltime in minutes is so
- or simply:
Answer:
33cm squared
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
not enough information to prove they are congruent. the postulates need 3 things that are congruent, unless it's a right triangle, you only need two. However, in this image, they are not shown to be right triangles.
