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Norma-Jean [14]
3 years ago
11

Find the first three terms of the sequence below. Tn = 2n² - 3n - 6 Brainliest to the first correct answer!

Mathematics
1 answer:
Marina CMI [18]3 years ago
5 0

Answer:

-7, -4, 3

Step-by-step explanation:

Tn = 2n² - 3n - 6

  • T1= 2*1²- 3*1- 6= 2- 9= - 7
  • T2= 2*2²- 3*2- 6= 8- 12= - 4
  • T3= 2*3²- 3*3- 6= 18- 15= 3
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I am a 3-digit decimal. The sum of my digits is nine. One of my decimal digits is 0. I have a 3 in my tenths place. Who am I?
dezoksy [38]
.360 or .306
Because 3 is in the tenths place, there is a 0, and 3+6+0= 3+6=9 the sum of all the digits. And it’s a three digit decimal.
6 0
3 years ago
Can I have help with 42?
Sphinxa [80]
#42.
14n - 32 = 22
add 32 to both sides
14n - 32 + 32 = 22 + 32
simplify
14n = 54
divide both sides by 14
14n/14 = 54/14
simplify
n = 3 12/14
n = 3 6/7 or n = 3.857


8 0
3 years ago
Read 2 more answers
Help with this math question
tresset_1 [31]
The given inequality is:

|-8x+24| \leq 16

This inequality can be divided in two parts as:

a) -16 \leq -8x +24
b) -8x + 24 \leq 16

Solving part a:

-16 \leq -8x+24 \\  \\ 
-40 \leq -8x \\  \\ 
5 \geq x \\ 
or \\ 
x \leq 5

Solving part b:

-8x+24 \leq 16 \\  \\ 
-8x \leq -8 \\  \\ 
x \geq 1

Therefore, the solution to the given inequality is x \leq 5 and x \geq 1. Combining both the ranges we get the solution: 1 \leq x \leq 5.

In interval notation, this solution can be expressed as [1,5]
3 0
3 years ago
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Find the area of the rectangle:
kumpel [21]
10 ft and 2 because I did the math
6 0
3 years ago
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Which statement is true
Lorico [155]

Answer:

<h2>-7</h2>

Step-by-step explanation:

(7/8)(-1/6)(-7)(-1/14)=

-14(-7)(-1/14) =

98(-1/14)=

-7


6 0
3 years ago
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