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iragen [17]
3 years ago
9

A sociology teacher asked his students to complete a survey at the beginning of the year. One survey question asked, "Do you hav

e a job?"Another question asked, "Do you study more than 5 hours a week?" The probability that a student worked is 0.7, the probability that a student studies more than 5 hours a week is 0.3 and the probability that a students works and studies more than 5 hours per is 0.2.
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0

wjejekekwnenrnwone fncoeo2mekxnfn3dodnr Hence Proved keodmmdeooxdmemdopxown2skox e

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Which example models a negative integer A.Students in a classroom B. The age of a parent C. Money lost from a pocket D. the heig
Rufina [12.5K]

Answer:

C- Money lost from a pocket

Step-by-step explanation:

It would be C because something is decreasing ( now a negative) from what they did have.

4 0
2 years ago
I cannot understand this please help ​
vaieri [72.5K]

Answer:

28 is the answers of the question

7 0
2 years ago
Find the Midpoint of the coordinates (-1,4) and (5,7)
Rainbow [258]

Answer:

(2,\frac{11}{2})

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

Endpoint (-1, 4)

Endpoint (5, 7)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{-1+5}{2},\frac{4+7}{2})
  2. Add:                              (\frac{4}{2},\frac{11}{2})
  3. Divide:                          (2,\frac{11}{2})
5 0
2 years ago
Read 2 more answers
Evaluate -3x 3 - 4x for x = -1.
Ksju [112]
Plug in -1 for x the solve the equation. 3 * -1 -4(-1) which equals 7
7 0
3 years ago
I️ have travelled around 75% of the edge of a circular path for 10 miles. What is the diameter of the circular path
KonstantinChe [14]
The circumference of a circle is equal to pi * diameter

So 10 miles = 0.75 * pi * d

10/(0.75*pi) = d

d = <span>4.244 miles</span>
5 0
2 years ago
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