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iVinArrow [24]
3 years ago
13

Sennee cut a ribbon into 3 equal pieces . Then she cut 5 inches off one piece . That piece is now 3 inches long. What was the le

ngth of the original ribbon?
Mathematics
1 answer:
ratelena [41]3 years ago
4 0
Each piece is x inches long. If she cut 5 inches from x, then it's now x-5 inches long.

This is equal to 3 inches (given) so equate the two expressions and isolate x

x-5 = 3
x-5+5 = 3+5
x = 8

Each piece is 8 inches long. There are 3 pieces. Therefore the original ribbon was 24 inches long (8*3 = 24). 
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What is the distance between the points located at 7 and -1 1/2 on the number line?
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Answer:

8 1/2

Step-by-step explanation:

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3 years ago
Eight times the sum of 9 and some number is 192.​
vovikov84 [41]

Answer:

15

Step-by-step explanation:

To solve this, divide 192 by 8:

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3 years ago
Data will be collected on the following variables. Which variable can be considered discrete? A. The height of a person B . The
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Answer: E: The number of books a person finished reading last month

Step-by-step explanation:

First, a discrete variable is a variable that only can take some given values in a set, the discrete variables are usually not dense, and a continuous variable is a variable that can take any value in a range (where the accepted values are dense).

So, for example, the set of the natural numbers is discrete, and the set of the real numbers can represent a continuous variable.

Here the only option that is really discrete will be the number of books that a person finished reading last month because here only positive whole numbers are accepted (you can not finish a 0.454 of a book)

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75.6kg and 75.7kg.

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3 years ago
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