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Setler [38]
3 years ago
6

At this weekend's football game, 15 out of the first 50 people who enter the field were not wearing hats. If this sample is repr

esentative of 250 people attending the game, about how many of them will probably not be wearing hats?
A. 65 people

B. 70 people

C. 75 people

D. 80 people
Mathematics
2 answers:
Julli [10]3 years ago
7 0

Answer:

the answer is C. 75 people

Step-by-step explanation:

hope this healped

yulyashka [42]3 years ago
4 0
250/50 = 5

15 * 5 = 75

ANSWER:
C. 75 people
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6x-5y=15 x=y+3 find x and y
arlik [135]

Answer:

(0, -3)

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

6x - 5y = 15

x = y + 3

<u>Step 2: Solve for </u><em><u>y</u></em>

<em>Substitution</em>

  1. Substitute in <em>x</em>:                                                                                                  6(y + 3) - 5y = 15
  2. Distribute 6:                                                                                                    6y + 18 - 5y = 15
  3. Combine like terms:                                                                                        y + 18 = 15
  4. [Subtraction Property of Equality] Subtract 18 on both sides:                     y = -3

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Define original equation:                                                                               x = y + 3
  2. Substitute in <em>y</em>:                                                                                                   x = -3 + 3
  3. Add:                                                                                                                   x = 0
7 0
3 years ago
if revenue for the week is 2000 and labor cost consist of two workers earning $8 per hour who work 40 hours each week what is la
DerKrebs [107]
The Answer is 32%.
Because for two workers for 40 hours each, it will cost 640
and when you do .32*2000 it equals 640 also
Hope I helped :)<span />
5 0
3 years ago
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