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Maslowich
3 years ago
9

Three times the difference of nine and a number

Mathematics
1 answer:
PIT_PIT [208]3 years ago
7 0
3(9-x)
=27-3x
Since x=5,
27-(5)3
=27-15
=12
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Find the common ratio of the geometric sequence 18,-72,288,...
tamaranim1 [39]

Answer:

<em>The common ratio of the geometric sequence is -4</em>

Step-by-step explanation:

<u>Geometric Sequence</u>

A geometric sequence is defined as a series of numbers that follow a fixed pattern: Each term equals the previous term times a fixed number called the common ratio. The recursive formula is:

a_n=a_{n-1}*r

Where r is the common ratio.

We are given three terms of a geometric sequence:

18,-72,288,...

To find the common ratio, just divide each term by the previous term:

\displaystyle r=\frac{-72}{18}=-4

Make sure it's a fixed number and test with the third term:

\displaystyle r=\frac{288}{-72}=-4

Since both numbers coincide, the common ratio of the geometric sequence is -4

5 0
3 years ago
Which whole number property is represented?<br> 10+ 0 = 10
s344n2d4d5 [400]

Answer:

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Step-by-step explanation:

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3 years ago
Which fraction is equal to 1/4? 4/16,6/30 or 5/15
Paha777 [63]
1/4 is equal to 4/16 
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Find the area and circumference of the circle. Use 3.14 for A.
Kaylis [27]

Answer:

A = 63.59

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Step-by-step explanation:

r = 4.5

Area of a circle:

A = πr²

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A = 3.14(20.25)

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8 0
3 years ago
6th grade math help me pleaseeee
Llana [10]
The correct answer is C. 78
3 0
3 years ago
Read 2 more answers
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