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salantis [7]
3 years ago
12

A study conducted an experiment with 22,000 women over 10 years to investigate whether a high-stress job leads to heart problems

. The study concluded that all women in high-stress jobs are 70% more likely to have a heart attack than women less stressed out by work. Identify the sample.
Mathematics
1 answer:
solniwko [45]3 years ago
3 0
The sample of the group would be the 22,000 participants.
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Plz help you guys!!!!!!!!
dlinn [17]

Answer:

it is option 3

Step-by-step explanation:

-4(5p+3)

by opening brackets, you get

-20p -12

3 0
3 years ago
3/4-1/4=<br><br> 1/2+3/8=<br><br> 6 1/2-2 1/2=<br><br> 3 1/2-1 1/8=
Nataly_w [17]
1) 1/2
2) 7/8
3) 4
4) 19/8 = 2 3/8
7 0
3 years ago
Read 2 more answers
If a discriminant is negative, then the quadratic has:
Serjik [45]

Step-by-step explanation:

the answer is

........b

7 0
3 years ago
Read 2 more answers
Y = 4x – 18<br> y = -5x +9
adelina 88 [10]

Answer:

(3, -6)

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>

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

Step-by-step explanation:

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

y = 4x - 18

y = -5x + 9

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

<em>Substitution</em>

  1. Substitute in <em>y</em> [2nd Equation]:                                                                           4x - 18 = -5x + 9
  2. [Addition Property of Equality] Add 5x on both sides:                                   9x - 18 = 9
  3. [Addition Property of Equality] Add 18 on both sides:                                   9x = 27
  4. [Division Property of Equality] Divide 9 on both sides:                                  x = 3

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

  1. Substitute in <em>x</em> [1st Equation]:                                                                           y = 4(3) - 18
  2. Multiply:                                                                                                             y = 12 - 18
  3. Subtract:                                                                                                            y = -6
5 0
3 years ago
Read 2 more answers
4/7= 5/p. What is P? Pleas solve and show you r work!
vodka [1.7K]
This is a proportion. First you take the numerator times the denominator that is already solved. In this case you will take 5 times 7 and get 35. You then take 35 divided by 4 and get your answer.

8 0
3 years ago
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