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iragen [17]
3 years ago
9

HELP Use the properties of sigma notation and the summation formulas to evaluate. See attached

Mathematics
1 answer:
Naddik [55]3 years ago
3 0
Write out all the solutions from 1 to 10 and add them together 

(1^2+3(1)-2)=2
(2^2+3(2)-2)=8 
" = 16
" = 32 
" = 38 
" = 52
" = 68 
" = 86 
" = 106 
" = 128

Add them together: 530 

Hope I helped :) 
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What is the answer to this question
Ganezh [65]

Answer:

9v + 14

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

7v + 2 + 12 + 2v

<u>Step 2: Simplify</u>

  1. Combine like terms (v):                    9v + 2 + 12
  2. Combine like terms (Z):                    9v + 14
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3 years ago
Two angles in a triangle have measures of 13° and 65°.
gulaghasi [49]
Pretty sure it’s 78
8 0
3 years ago
Read 2 more answers
I need the answer and work
ad-work [718]
A) 2x +3

Plug in the x

2(4.1) + 3

8.2+ 3= 11.2

A is 11.2


B) 16-5y

Plug in the y

16 - 5(2.3)

16- 11.5= 4.5

B is 4.5


C) x+y

Plug in x and y

4.1 + 2.3= 6.4

C is 6.4




7 0
3 years ago
Someone please help me!
Ludmilka [50]
The answer is 180 miles
4 0
3 years ago
Okay my math final is tomorrow and i need help with variable expressions. If anyone has any websites or apps they recommend, ple
Solnce55 [7]

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.khanacademy.org/math/algebra/one-variable-linear-equations/alg1-intro-equations/v/variables-expressions-and-equations&ved=2ahUKEwjrpqD1gZziAhUBsp4KHVePBeEQwqsBMAB6BAgHEAU&usg=AOvVaw0AYOWzWFGI7vP8YUOvBhPc Here is a video that's helpful to me

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3 years ago
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