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aivan3 [116]
3 years ago
8

An array of 2 rows of 7 dots has a total of 14 dots. it is called a 2 by __ array​

Mathematics
2 answers:
zaharov [31]3 years ago
6 0

Answer:

it is called a 2 by 7 array

max2010maxim [7]3 years ago
3 0

It is called a 2 by 7 array.

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Mr. Crawford put $4500 into bank at an interest rate of 3%. How much money will she have in the back after 5 years?
ycow [4]

Answer:

He will have $5175.

Step-by-step explanation:

3% of 4500 is 135. 135x5=675. Add 675 to 4500 which equals 5175.

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3 years ago
Solve for x. x/6 = 10<br> x = 4 <br> x = 10 <br> x = 16 <br> x = 60
notsponge [240]

1=6/6

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3 years ago
Find the sum of the series 9+3+1+........+1/27​
Elina [12.6K]

Answer:

364/27

Step-by-step explanation:

9, 3, 1, ... is a geometric sequence with common ratio r = 1/3.

 

The nth term is a1rn-1.

 

If a1rn-1 = 1/27, then 9(1/3)n-1 = 1/27

 

                                32(3-1)n-1 = 3-3

 

                                3231-n = 3-3

 

                                    33-n = 3-3

 

                                      3-n = -3

 

                                         n = 6

 

The sum, Sn, of the first n terms of a geometric sequence is given by Sn = a1(1 - rn) / (1 - r).

 

So, 9 + 3 + 1 + ... + 1/27 = S6 = 9(1 - (1/3)6) / (1 - 1/3)

 

                                              = 9(1 - 1/729) / (2/3)

 

                                              = (27/2)(728/729) = 364/27

4 0
3 years ago
What is 17x&gt; -17 solve for x
irakobra [83]

Answer:

Step-by-step explanation:

17x > -17

x > -1

5 0
2 years ago
Solve -x^2+5x-6=2 in quadratic formula
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1). Make your equation equal to 0
2). Then plug in your numbers to the quadratic equation

8 0
2 years ago
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