Answer:
answer-8 Inches.
Step-by-step explanation:
Area of triangle=160 square inches
Base of triangle=40 inches
- area of triangle=1/2*base*height
160=1/2×40×height
160 =20×height
160/20=height
height=80 inches.
This number line is counting by 5's. Each dash is valued 5 numbers.
The blue point would be -10. Even though on this number line -10 visually looks "close" to 10, it isn't. They are 20 numbers apart.
Hope this helped!
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Answer:
She can chose 2 books from 8 books in 28 different way.
Step-by-step explanation:
In the given scenario the member has to chose 2 books from a group of 8 books. The order of choosing books does not matter. For example if the books are A,B,C,D,E,F,G and H, and the member picks books A and B or books B and A, she is picking up the same books. This means order of selection does not matter here, so this is a problem of combinations.
We have to form combination of 8 books taken 2 at a time i.e. 8C2
The general formula of combination is:
Using the values of n=8 and r=2, we get:
This means, she can chose 2 books from 8 books in 28 different ways.