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Julli [10]
3 years ago
15

Ralph is an electrician. He charges an initial fee of $32, plus $33 per hour. If Ralph earned an $197 on a job, how long did the

job take
Mathematics
2 answers:
Dafna1 [17]3 years ago
6 0
Y= 32+33x where y is the amount charged and x is the time in hours

197=32+33x
165=33x
5=x

Final answer: 5 hrs
riadik2000 [5.3K]3 years ago
5 0

Answer:

5 hours.

Step-by-step explanation:

The initial fees of Ralph = $32.00

Plus he charges per hour fees = $33.00

Let Ralph did a job for x hours.

His earning was = $32 + $33x = $197

33x = 197 - 32

33x = 165

x = \frac{165}{33}

x = 5 hours

Ralph's job took 5 hours.

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exercise alone. Two methods of collecting data have been proposed. Method I: Recruit volunteers who are willing to participate.
aniked [119]

Answer:

I) If method I is used, population of generalization will include all those people who may have varying exercising habits or routines.  They may or may not have a regular excersing habit.  In his case sample is taken from a more diverse population

II) Population of generalization will include people who will have similar excersing routines and habits if method II is used since sample is choosen from a specific population

Step-by-step explanation:

past excercising habits may affect the change in intensity to a targeted excersise in different manner. So in method I a greater diversity is included and result of excersing with or without a trainer will account for greater number of variables than method II.

5 0
3 years ago
What fraction of 1 pint is 1 cup
Aleonysh [2.5K]
<span>The answer is that the fraction of 1/2 pint is 1 cup. To solve this you must know the equivalence between pints and cups, and use the notion of proportions. Two cups equal one pint. Then you can state this proportion: 1 pint / 2 cups = x pint / 1 cup. When you solve for x you get: x = 1/2. Which means that 1 cup is 1/2 of 1 pint. </span>
8 0
3 years ago
After prime planting season was over, a horticulturist sold lilac bushes for $15.00. If the original price was $39.00, what is t
hoa [83]
Find what percent of $39.00 the sale price was.
=> 15/39*100=38.4%
now subtract from 100% to get the mark down percentage.
100-38.4=61.6
Final answer:
Marked down 61.6%
Hope I helped :)
4 0
3 years ago
A rectangle has an area of 99 square in. What is the length of the long side?
OLga [1]

Answer:

The longer length is either 99, 33 or 11 inches

Step-by-step explanation:

Given

Area = 99

Required

The length of the longer side

Area of a rectangle is:

Area = Length * Width

List out all possible products that give 99 [Assume the dimension are whole numbers]

Length * Width = 99 * 1 = 99

Length * Width = 33 * 3 = 99

Length * Width = 11 * 9 = 99

List out the longer factors

L = \{99, 33, 11\}

<em>Hence, the longer length is either 99, 33 or 11 inches</em>

8 0
3 years ago
Which set of numbers does -5 belong ​
tester [92]
Is there any more to this question? Because-5 doesn’t belong anywhere
3 0
3 years ago
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