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mylen [45]
3 years ago
13

Dr. Keller has a bookcase in her office with three shelves each shelf has the same number of books on it there are 23 books on t

he top shelf what is the total number of books on Dr. Keller’s bookcase
Mathematics
1 answer:
KiRa [710]3 years ago
7 0

Answer:

69

Step-by-step explanation:

23 on each shelf x 3 shelves = 69 books

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PLEASE HELP FREE 30 POINTS IF YOU ANSWER What is 21 1/4% expressed as a fraction?
rusak2 [61]

Answer:

17/80

Step-by-step explanation:

change 21 1/4 to a fraction

2125/10000 and simplfy

425/2000

85/400

17/80

5 0
3 years ago
Read 2 more answers
Evaluate the piecewise function when x=-2
WINSTONCH [101]

Answer:

-4.

Step-by-step explanation:

-2 is less than 1 so in this case f(x) = 3x + 2.

So the answer is  3(-2) + 2

= -6+2

= -4.

8 0
3 years ago
Help me high schoolers ​
umka21 [38]

Answer:

x+(4x-85)=90

answer is d

8 0
4 years ago
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PLEASE HELP!!!
Romashka-Z-Leto [24]
1)
7/6d+4/3=-1/3
7/6d=-5/3
d=-5/3×6/7
d=-10/7
2)
5 1/2-u=9/4
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22/4-u=9/4
13/4=u
3 1/4=u
3)
-m-7/8=-10
-m-7/8=-80/8
-m=-73/8
m=73/8 or 9 1/8
4)
2/7=4/5+9q
10/35=28/35+9q
-18/35=9q
q=-18/35×1/9
q=-2/35. Hope it help!
7 0
4 years ago
A circle has an area of 113 square centimeters. What is the radius of the circle?
Agata [3.3K]

So, first you want to have 113 then you are going to want to divide it by pi or 3.14. After that, square it.

Your answer would be 6

8 0
3 years ago
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