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inn [45]
1 year ago
11

What’s the unit rate for three dollars for 2 1/2 hours of work

Mathematics
1 answer:
Maru [420]1 year ago
4 0

The unit rate for three dollars for 2 1/2 hours of work will be $1.2 using the concept of unitary method.

<h3>What is unitary method?</h3>

The unitary method is a technique that involves determining the value of a single unit and then calculating the value of the requisite number of units based on that value. The term unitary refers to a single or unique entity. As a result, the goal of this approach is to determine values in reference to a single unit. The unitary technique is a method for determining the value of any necessary quantity by first obtaining the value of the unit (one) quantity.

Here,

$3 for 2.5 hours of work,

1 hour will cost $x,

3/2.5=x/1

2.5x=3

x=$1.2

Using the unitary technique, the unit rate for three dollars for two and a half hours of labour will be $1.2.

To know more about unitary method,

brainly.com/question/22056199?referrer=searchResults

#SPJ1

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Answer:

There is <u>8</u> adults and <u>1 </u>child

Step-by-step explanation:

<u>$78 - $6 = $72</u>

<u>$72 divided by 9 = 8</u>

you would add nine <u>8</u> times and add 6 to it then it would be $78
Hope this helps you! :)

6 0
3 years ago
Please solve correctly<br> full explanation please<br> will give brainlist
rosijanka [135]

Answer:

They subtracted the values incorrectly

Step-by-step explanation:

The formula for finding the distance between two points is this:
\sqrt{} (x_{2} -x_{1})^{2}   + (y_{2} -y_{1} )^{2}

The person subtracted the variables incorrectly and subtracted x1 from x2 and y1 from y2 instead of the other way around.

To correctly solve it, do this:\sqrt{((-7-(-1))^2+(-6-2)^2} = \sqrt{(-6)^{2} + (-8)^{2}  } = \sqrt{36+64} = \sqrt{100} = 10

Hope this helped!

7 0
2 years ago
Read 2 more answers
Marketing estimates that a new instrument for the analysis of soil samples will be very successful, moderately successful, or un
mylen [45]

Answer:

F(10) = P(x = 10) = 0.3

F(5) = P(x = 5) = 0.4

F(1) = P(x = 1) = 0.3

Step-by-step explanation:

Given the following :

Probability estimates given:

Very successful = 0.3

Moderately successful = 0.4

Unsuccessful = 0.3

Yearly revenue (X) :

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Moderately successful = $5 million

Unsuccessful = $1 million

The probability mass function of X:

f(x) = probability of each valie of x

When x = 10:

F(10) = P(x = 10) = 0.3

When x = 5:

F(5) = P(x = 5) = 0.4

When x = 1:

F(1) = P(x = 1) = 0.3

5 0
4 years ago
Which value of a would make the following expression completely factored?<br><br> x2 – a
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Answer:

a = 4.

Stepby-step explanation:

x^2 - 4 = (x + 2)(x - 2).

8 0
4 years ago
Find the value of X.
AlexFokin [52]

Answer:

If we don't what you're solving for we can't solve for x

Step-by-step explanation:

4 0
3 years ago
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