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never [62]
3 years ago
7

Jamie volunteered for 6 days at a nursing home. if she volunteered for 2 1/2 hours on each of those days, how many total hours d

id she volunteer?
Mathematics
1 answer:
Scrat [10]3 years ago
3 0

<u>Answer:</u>

The total number of hours Jamie volunteered at a nursing home is 15 hours

<u>Solution:</u>

Jamie volunteered at a nursing home for 6 days.

She volunteered 2\frac{1}{2} hours each day at the nursing home.

We have been asked to find out the total number of hours she has volunteered at the nursing home.

We can rewrite 2\frac{1}{2} in decimal form to simplify the calculation.

=2 \frac{1}{2}=\frac{5}{2}=2.5

Therefore, Jamie volunteered 2.5 hours at the nursing home each day.

To find out the total number of hours she has volunteered there, we have to do the following:

\text { Total hours volunteered }=\text { total no. of days volunteered } \times \text { no. of hours volunteered. }

=6 \times 2.5=15

So, the total number of hours Jamie volunteered at a nursing home is 15 hours.

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Answer:

Explanatory variable: Extra support by faculties

Response variable: whether community college students who have assess into elementary algebra could be successful if they were placed directly into college-level statistics.

Confounding Variable: Ability of students to get passing grades.

It is an experiment to check if the hypothesis is true.

Step-by-step explanation:

An explanatory variable is a type of independent variable. An explanatory variable is that variable that explains changes in another variable. It can be anything that might affect the response variable. The explanatory variable is used to predict or explain differences in the response variable. In an experimental or research study, the explanatory variable is the variable that is manipulated by the researcher.

From the information given,

Explanatory variable: Extra support by faculties.

The response variable is also known as the dependent/outcome variable. Here, its value can be predicted or its variation can be explained by the explanatory variable. In an experimental study, this is the outcome that is measured after manipulation of the explanatory variable

From the question above,

Response variable: whether community college students who have assess into elementary algebra could be successful if they were placed directly into college-level statistics.

A confounding variable is that outside influence that changes the effect of a dependent and independent variable. This extraneous influence is often used to influence the outcome of an experimental design. The Confounding Variable in the above is:

Confounding Variable: Ability of students to get passing grades.

It is an experiment to check if the hypothesis is true.

6 0
2 years ago
Find the equation of the line that passes through both (5,1) and (8,-2)
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We know that f(5) = 1 and f(8) = -2. So:

\begin{cases}5a+b = 1 \\ 8a+b = -2\end{cases}

Solving the system, we get that a= -1 and b = 6.

So the line is equal to f(x) = 6-x.

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2 years ago
Which expression is equivalent to the quantity five raised to the negative second power times three raised to the fifth power en
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The equivalent expression is 5^(4) * 3^(-10)

<h3>How to determine the equivalent expression?</h3>

The statement is given as:

five raised to the negative second power times three raised to the fifth power end quantity all raised to the negative second power

Rewrite properly as:

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Expand the expression by multiplying the exponents

So, we have:

5^(-2 -2) * 3^(5 *-2)

Evaluate the products

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Hence, the equivalent expression is 5^(4) * 3^(-10)

Read more about expression at

brainly.com/question/723406

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1 year ago
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