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Evgen [1.6K]
3 years ago
10

7. Define a variable and write an expression for the phrase. 8 minus a number

Mathematics
2 answers:
lakkis [162]3 years ago
7 0
8-x ccccccccccccccccccccc
xxTIMURxx [149]3 years ago
5 0
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.


So basically for your expression:

8-x
Hope that helped
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In 1993, president Clinton received an average of 25,000 letters per day. How many letters did he receive during the entire year
rusak2 [61]

Answer:

9,125,000

Step-by-step explanation:

25,000 x 365 days in a year = 9,125,000



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Express each ratio as a fraction
WINSTONCH [101]

Answer:


Step-by-step explanation:

1. 15/16

2. 2/1

3. 3/2

4. 41/50

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3 years ago
4)
AysviL [449]
B. 200.96 in. The area of the pizza with a 16" diameter (8" radius) is 201.06.
8 0
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Question 1
PilotLPTM [1.2K]

The true statement about why the Fibonacci sequence is recursively defined is (c) The Fibonacci sequence is recursively-defined because you must know the values of the two previous terms in order to find the value of the next term

<h3>How to determine the true statement</h3>

With an exception to the first two terms, each term of the Fibonacci sequence is the sum of the two previous terms

This means that,

The Fibonacci sequence cannot be defined explicitly, because the two previous terms can not be determined by a direct formula

Hence, the true statement about why the Fibonacci sequence is recursively defined is (c)

Read more about the Fibonacci sequence at:

brainly.com/question/16934596

8 0
3 years ago
Each cone of the hourglass has a height of 12 millimeters. The total height of the sand within the top portion of the hourglass
Harman [31]

The solution would be like this for this specific problem:

Volume of a cylinder = pi * r^2 * h 

Volume of a cone = 1/3 * pi * r^2 * h 

Total Height = 47

Height of the cone = 12

Height of the cylinder = 35

If the top half is filled with sand, then:

volume (sand) = pi * 4^2 * 36

volume (cone) =  1/3 * pi * 4^2 * 12

Total volume = 1960.353816 cubic millimeters

353816 / (10 * pi) = 62.4 seconds.

It will take 62.4 seconds until all of the sand has dripped to the bottom of the hourglass.

7 0
3 years ago
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