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GuDViN [60]
3 years ago
5

PLEASE HALP!!! 

Mathematics
1 answer:
Setler79 [48]3 years ago
3 0
The answer is 72 and 3. 72 is x and 3 is y. 72 +3 is 75 and 72 divided by 3 is 24. 
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Simplify, if x = 2 and y = -1: 3(y + 2)^2 + 3x
svet-max [94.6K]

Answer:

9

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

3(y + 2)² + 3x

x = 2

y = -1

<u>Step 2: Evaluate</u>

  1. Substitute:                    3(-1 + 2)² + 3(2)
  2. Add:                              3(1)² + 3(2)
  3. Exponents:                   3(1) + 3(2)
  4. Multiply:                        3 + 6
  5. Add:                              9
5 0
3 years ago
John Daum and Chris Yin are star swimmers at a local college. They are preparing to compete at the NCAA Division II national cha
Arada [10]

The value of the text statistic. F  is given as : 0.742 See explanation below.

<h3>What is a test statistic?</h3>

A test statistic is a numerical value determined by a statistical test.

It quantifies the distance between your observed data and the null hypothesis of no link between variables or no difference between sample groups.

<h3>What is the solution to the answer above?</h3>

Test Statistic F is given by:

= σ²₁/σ²₂

= 0.93²/1.08²

= (0.93/1.08)²

= 0.8611²

= 0.742

Learn more about Test Statistic at;
brainly.com/question/6589776
#SPJ1

4 0
1 year ago
Melanie makes $3.00 less per hour babysitting than her best friend, Carita. If the combined hourly rate of Melanie and Carita is
marysya [2.9K]

Answer:

B 6.00

Step-by-step explanation:

M= 6$

C= 9$

M+C= 6+9= 15$ per hour

3 0
3 years ago
Number 3 please need help
kirza4 [7]
Im pretty sure it would be 4

4 0
3 years ago
Question 8 Maurice won 40% of the races he ran in this season. He won 14 races this season How many races did Maurice run in tot
Andrej [43]

Answer:

D)35

Step-by-step explanation:

14%4=3.5

3.5×10=35

6 0
2 years ago
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