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Shtirlitz [24]
2 years ago
6

Which answer describe the type of sequence? 3,9,15,21

Mathematics
1 answer:
Alenkinab [10]2 years ago
5 0

Answer:

The sequence is arithmetic

we know that

In an arithmetic sequence, the difference between consecutive terms is always the same and is called common difference

In this problem we have

3,9,15,21,...

Let

a1=3, a2=9,a3=15,a4=21

a4-a3=21-15=6

a3-a2=15-9=6

a2-a1=9-3=6

The sequence is arithmetic

The common difference is equal to

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tangare [24]

3 and -3 are said to be the square roots of 9. A square root is written with a radical symbol √ and the number or expression inside the radical symbol, below denoted a, is called the radicand. ... Negative numbers don't have real square roots since a square is either positive or 0.

7 0
3 years ago
Two linear functions are shown. Which function has the greater initial​ value?
tangare [24]

Answer:

Function A has the greater initial value because the initial value for Function A is 6 and the initial value for Function B is 3.

Step-by-step explanation:

✔️Function A:

Initial value = y-intercept (b)

y-intercept is the value of y, when the corresponding value of x = 0

From the table, y = 6 when x = 0.

The y-intercept of function A = 6

Therefore, initial value for Function A = 6

✔️Function B:

y = 4x + 3 is given in the slope-intercept form, y = mx + b.

b = y-intercept = initial value.

Therefore

Initial value for Function B = 3

✔️Function A has the greater initial value because the initial value for Function A is 6 and the initial value for Function B is 3.

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2 years ago
Find the number of 4-digit numbers that contain exactly two even and two odd digits.
Dvinal [7]

Answer:

2,435

Step-by-step explanation:

find two even and two odd

7 0
3 years ago
Which phrase best describes a rock? A. a chemical arranged in a lattice B. a gabbro of minerals C. a mixture of crystals D. a fi
Sloan [31]
The answer would be B to answer your question 
6 0
3 years ago
Read 2 more answers
What is the volume of a 3 foot tall cylindrical trash can with a 1 foot radius
Oksi-84 [34.3K]

Answer: V= 9.42

Step-by-step explanation: Volume of a cylinder: \pir²h

radius= 1 ft

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This is my first time answering a question so yeah.

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