Question

Candice has a dog walking business. It takes her 40 minutes to complete her route with 2 dogs. For each additional dog walked at the same time, it takes her 5 more minutes to complete her route.

If x represents the total number of dogs she walks at the same time, which of the following equations can be used to find out how long it takes Candice to complete her route?

y = 5(x - 2) + 40
y = 40x + 5
y = 5x + 40
y = 40(x - 2) + 5

Answer 1

@DanJS

Answer 2

k

Answer 3

A

Answer 4

Yunika downloaded two applications for $2.99 each to her cell phone. The remaining applications that Yunika purchased cost $1.99 each.

If she downloaded x total applications, which of the following equations can be used to find how much Yunika spent on cell phone application downloads?

y = 1.99x + 5.98
y = 5.98x + 1.99
y = 5.98(x - 2) + 1.99
y = 1.99(x - 2) + 5.98

Answer 5

D

Answer 6

Several years ago, Dave bought an antique clock. Since then, it has increased in value. If x represents the number of years he has owned the clock, and y represents the value of the clock (in dollars), which of the following situations is represented by the graph below?

Dave bought the clock for $300. Each year the value of the clock increased by $200.

Dave bought the clock for $300. Each year the value of the clock increased by $100.

Dave bought the clock for $300. Each year the value of the clock increased by $125.

Dave bought the clock for $300. Each year the value of the clock increased by $50.

Answer 7

https://app34.studyisland.com/pics/210386pic2b.png

Answer 8

wait

Answer 9

its D

Answer 10

A study was done to investigate the population of polar bears over time. The correlating linear model is shown below, where x represents the number of years after 1955, and y represents the number of polar bears. Interpret the y-intercept.

y = 5,000 + 500x

There were 10,000 polar bears in 1955.

There were 1,000 polar bears in 1955.

There were 500 polar bears in 1955.

There were 5,000 polar bears in 1955.

Answer 11

D

Answer 12

A company developed the following linear model to help budget annual expenses over time. In this model, x represents the number of years after 2009, and y represents the expense budget (in dollars). Interpret the y-intercept.

y = 189,785 + 37,896x

The company's expense budget for 2009 was $37,896.

The company's expense budget for 2009 was $189,785.

The company's expense budget for 2008 was $37,896.

The company's expense budget for 2008 was $189,785.

Answer 13

how many questions?

Answer 14

Around 15?why?

Answer 15

k

Answer 16

The company's expense budget for 2009 was $189,785.

Answer 17

Unless you can help me with Linear Relationships too,.LOL.Whats the answer to that one

Answer 18

these are linear relationships..lol

Answer 19

Oh im meant System of equations.xD

Answer 20

ok

Answer 21

Whats the annswer to the last question

Answer 22

The company's expense budget for 2009 was $189,785.

Answer 23

Sami consulted a dietitian regarding weight loss and was given a nutrition plan to follow. The dietitian informed Sami, if she follows the plan, her results should be in alignment with the following linear model. In this model, x represents the number of weeks on the plan, and y represents Sami's weight (in pounds). Interpret the y-intercept.

y = 342 - 2.2x

The y-intercept represents the amount of weight Sami should lose each week.

The y-intercept represents Sami's goal weight upon completion of the plan.

The y-intercept represents the amount of weight Sami should lose in total.

The y-intercept represents Sami's weight upon starting the plan.

Answer 24

D

Answer 25

Stephanie planted a home garden. She planted 3 rows of tomatoes with 4 tomato plants in each row. She also planted squash in rows of 6 plants each.

If x represents the number of rows of squash she planted, which of the following equations can be used to find the total number of plants Stephanie planted in her home garden?

y = 6x + 7
y = 12x + 6
y = 7x + 6
y = 6x + 12

Answer 26

D

Answer 27

For delivery orders, customers must order at least two dozen donuts. The first two dozen donuts cost $4.99 each. Any additional donuts ordered cost $3.99 per dozen.

If x represents the number of additional dozens of donuts, which of the following equations can be used to find the cost of the order, not including tax or a delivery charge?

y = 4.99x + 3.99
y = 3.99x + 9.98
y = 9.98x + 3.99
y = 3.99x + 4.99

Answer 28

i think the last 10 were all D. hah

Answer 29

ikr the maker must love D's

Answer 30

haha

Answer 31

For delivery orders, customers must order at least two dozen donuts. The first two dozen donuts cost $4.99 each. Any additional donuts ordered cost $3.99 per dozen.

If x represents the number of additional dozens of donuts, which of the following equations can be used to find the cost of the order, not including tax or a delivery charge?

y = 4.99x + 3.99
y = 3.99x + 9.98
y = 9.98x + 3.99
y = 3.99x + 4.99

Answer 32

ah man, it is B this time

Answer 33

any others?

Answer 34

yup

Answer 35

A study was done to investigate the relationship between outdoor temperature and the amount of fluids an outdoor athlete drinks per day. The correlating linear model is shown below, where x represents the number of degrees over 80°F, and y represents the amount of fluids drank (in liters). Interpret the y-intercept.

y = 3.85 + 0.55x

An athlete drinks 0.55 L per day when the temperature is 80°F.

An athlete drinks 7 L per day when the temperature is 80°F.

An athlete drinks 3.85 L per day when the temperature is 80°F.

An athlete drinks 4.4 L per day when the temperature is 80°F.

Answer 36

@DanJS

Answer 37

C

Answer 38

Jarrod helped his teachers pack textbooks into boxes for the summer. He packed 6 boxes of science textbooks with 18 books per box. He also packed math textbooks with 10 books per box.

If x represents the total number of boxes he packed, which of the following equations can be used to find the total number of books that Jarrod packed into boxes?

y = 10x + 108
y = 108x + 10
y = 108(x - 6) + 10
y = 10(x - 6) + 108

Answer 39

@DanJS

Answer 40

um

Answer 41

What

Answer 42

D

Answer 43

Geoff purchased an annual golf pass for a municipal golf course in his town. He pays a flat fee for the annual golf pass and then each round he plays he must pay the additional cost for a golf cart.

A linear model of this situation contains the values (23, 1,152) and (38, 1,317), where x represents the number of times he plays each year, and y equals the total amount he spends on golf in one year.

What is the flat fee for the annual golf pass?

$1,064
$899
$11
$910

Answer 44

@DanJS

Answer 45

899

Answer 46

Serenity Spa charges $79 for a one-hour massage. They charge $0.80 for each additional minute over an hour. If x represents the number of minutes over one hour, which of the following equations represents the cost of a massage?

y = 79x + 0.8
y = -0.8x + 79
y = 0.8x + 79
y = 79.8x

Answer 47

C

Answer 48

Carrie's Catering is having a special on their box lunches. The minimum purchase is 10 boxes for $70. Each additional box is $5. If x represents the number of boxes over the minimum, which of the following equations represents the cost of box lunches during this special?

y = 70 - 5x
y = 5x + 70
y = 70x + 5
y = 70x - 5

Answer 49

B

Answer 50

Georgia filled her kitchen sink up with water so that she could do the dishes. When she was done with the dishes, she pulled out the drain stopper so the water could begin to drain out of the sink.

A linear model of this situation contains the values (2, 7.6) and (4, 7.2), where x represents the number of seconds, and y represents the water level in the sink, in inches.

What is the rate of change in this linear model?

-0.4 of an inch per second
0.2 of an inch per second
-8 inches per second
-0.2 of an inch per second

Answer 51

D

Answer 52

The graph below shows the cost of a taxi in New York City.


What is the rate of change of the graph?

$1.00 per mile
$4.00 per mile
$2.00 per mile
$2.50 per mile

Answer 53

https://app34.studyisland.com/pics/159235q1a.png

Answer 54

C

Answer 55

Mathnificent is a math tutoring service. The first year it was open, it had 7 students. If 5 new students enroll each year, which of the following equations represents how many students will be enrolled in x years?

y = 7x + 5
y = 5x - 7
y = 7x - 5
y = 5x + 7

Answer 56

D

Answer 57

Gus has a lunch food budget of $180 per month. He spends an average of $5 per day on lunch. Which of the following equations represents how much money is left in his lunch budget after x days of buying lunch?

y = 180 - 5x
y = 5x - 180
y = 180x - 5
y = 180 + 5x

Answer 58

A

Answer 59

Amanda borrowed money from her dad. She has started to pay back her loan, without interest. The amount of the loan she has remaining after each month is represented on the graph below.


What is the initial value of the data in the graph?

$1,875
$2,000
$125
$750

Answer 60

https://app34.studyisland.com/pics/159235q11.png

Answer 61

B

Answer 62

At the beginning of the summer, Jenna had saved $224. To earn money over the summer, she is working part time at the local community center. She will earn $25 per day of work. If x represents the number of days she works, which of the following equations represents how much money she will have, including her savings?

y = 25x + 224
y = x + 25
y = 224x + 25
y = 224 - 25x

Answer 63

@DanJS

Answer 64

A