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spin [16.1K]
3 years ago
15

74 students were chosen from a local university to participate in a study. Every student attending the university had an equal p

ossibility of being chosen. Which sampling method was used? voluntary response random selection census sample
Mathematics
1 answer:
ra1l [238]3 years ago
8 0
Hhey it should be 
Random selection
just because they all have a chance :) hope it helps
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The word "less than" represent what operation?
bixtya [17]

Answer:

  • The term 'less than' is used to indicate the relationship between two values.
  • The term 'less than' symbolically represented as '<'.

Step-by-step explanation:

  • The term 'less than' is used to indicate the relationship between two values.

It expresses that one value will be lesser than the other.

The term 'less than' symbolically represented as '<'.

We can implement certain operations like comparing values, heights, and numbers.

For example, there are 3 pencils in one bag A, and 8 pencils in bag B.

When we compare the two, we can easily observe that bag A has fewer pencils than bag B.

Thus,

Pencils in Bag A       <         Pencils in Bag A

           3                     <                    8

4 0
3 years ago
Find the derivative of 3e^y+x=y
Sindrei [870]

You have the following function:

y=3e^y+x

Derivate implictly the previous expression, as follow:

y^{\prime}=3e^yy^{\prime}+1

Where you have used that:

(e^y)^{\prime}=e^yy^{\prime}

Then, the implicit derivative of the given expression is:

y^{\prime}=3e^yy^{\prime}+1

Next, solve for y' as follow:

\begin{gathered} y^{\prime}-3e^yy^{\prime}=1 \\ (1-3e^y)y^{\prime}=1 \\ y^{\prime}=\frac{1}{1-3e^y} \end{gathered}

4 0
1 year ago
Evaluate the expression 5(7-4)2 + 3 + 11<br> 14<br> 33<br> 26<br> 3
Simora [160]

Answer:

44 is your answer

Step-by-step explanation:

plz mark brainliest to help my rank :)

6 0
2 years ago
Holly had a gift card with a $365 balance. She bought several cds that cost $18 each. After the purchase,her gift card balance w
Gelneren [198K]

Answer:

10 CDs

Step-by-step explanation:

First, we need to find out how much she spent in total.

365 - 185 = 180

Okay, we now know that Holly spent 180 off of her gift card in total. Now we need to find out how many CDs she purchased by spending that amount of money.

180 ÷ 18 = 10

Let's check our math.

18 × 10 = 180

So our answer is Holly bought 10 CDs.

5 0
3 years ago
Read 2 more answers
How can you tell when a quadratic equation has two identical, rational solutions?
Rudik [331]
The discriminant of a quadratic equation determines the nature of the roots of the equation whether they are rel or imaginary. The formula for determining the discriminant is 
d = b2 - 4acwhen there are two identical real roots, then the discriminant is equal to zero. The answer is C. 
6 0
3 years ago
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