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kozerog [31]
3 years ago
6

An electrician charges $15 plus $11 per hour. Another electrician charges $10 plus $15 per hour. Which of the systems of equatio

ns below correctly represents this situation if x represents the number of hours and y represents the total cost?
Mathematics
1 answer:
olga2289 [7]3 years ago
7 0

y=11x+15

y=15x+10

This is the system of equariob

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Y=-2|x+2|-4 i need to find y intercept and the x intercept
NeTakaya

Answer:

x-int: ∅

y-int: (0,-8)

Step-by-step explanation:

To find the x and y-intercept, simply plug in zero for x and y:

0=-2|x+2|-4\\4=-2|x+2|\\-2=|x+2|\\

Because an absolute value cannot be equal to a negative, there is no x-intercept.

y=-2|0+2|-4\\y=-2|2|-4\\y=-4-4\\y=-8

Hope it helps :)

3 0
2 years ago
Identify the type of sampling used. In a recent online​ survey, participants were asked to answer​ "yes" or​ "no" to the questio
Anastaziya [24]

Answer:

The sampling technique used is convenience sampling.

Step-by-step explanation:

Convenience sampling technique is a method of non-probability sampling that is done using the most easiest sample or the most convenient sample.

For instance, sampling the people of our neighborhood, or school or company, etc.

This type of sampling is known as non-probability sampling because each individual\participant does not have a specific probability of selection. Whereas in case of probability sampling each participant has an equal probability of being selected.

Survey that are conducted through online portals or online survey use samples that are quite easy to collect. The sample collected through online surveys is convenience sample.

The survey conducted to determine how many people were in favor of stricter gun​ control uses a convenience sampling technique. As it uses the most easy source to collect the sample.

Thus, the sampling technique used is convenience sampling.

7 0
3 years ago
40 POINTS!! PLEASE HELP AND PUT CORRECT ANSWER TY!!!! :))
olga2289 [7]

Answer:

Step-by-step explanation:

Distribute the 4:

4d- 20-6= 16- 2d-d

Combine like terms:

4d-26=16-3d

Add 3d to 4d:

7d-26=16

Add 26 to 16:

7d=42

Divide both sides by 7:

d=6

6 0
3 years ago
Read 2 more answers
Could someone please help
alexdok [17]

Answer:

Answer:<em>I think that is right...</em>

Answer:<em>I think that is right...Please make me brainliest...</em>

3 0
3 years ago
7. El volumen de un gas es inversamente proporcional a la presión. Un gas tiene el volumen de 20 Litros y una presión de 1.000 P
timurjin [86]
I believe The answer is 4 L
3 0
3 years ago
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