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Mathematics 20 Online
OpenStudy (anonymous):

Hillary and Sarah went shopping over the weekend to purchase new shirts. The equation below represents the total amount of money Hillary spent on x shirts. y = $17x The graph below represents the total amount of money Sarah spent on x shirts

OpenStudy (anonymous):

https://app32.studyisland.com/pics/160107q2jeans.png

OpenStudy (anonymous):

Who paid the cheaper price per shirt? Sarah and Hillary paid the same price per shirt. Sarah paid the cheaper price per shirt. Hillary paid the cheaper price per shirt. There is not enough information to determine the price per shirt.

OpenStudy (danjs):

k

OpenStudy (danjs):

sarah paid the cheaper price, the slope of her graph is less than 17

OpenStudy (anonymous):

Noel and Joy started dancing in an effort to lose weight. Noel recorded the number of calories she burns in x hours in the table below. Joy recorded the the number of calories she burns in x hours in the graph below.

OpenStudy (danjs):

Joy = 250 calories an hour burned so far

OpenStudy (anonymous):

Noels Burned Calories: Hours: Calories 6 1,500 7 1,750 8 2,000 9 2,250

OpenStudy (anonymous):

Who burns more calories per hour? There is not enough information to determine who burns more calories. Noel burns more calories per hour. Joy burns more calories per hour. Noel and Joy burn the same amount of calories per hour.

OpenStudy (danjs):

same, both burn 250 cal / hr

OpenStudy (anonymous):

The line shown has a slope of 1/2 between point J and point L and between point R and point T.

OpenStudy (anonymous):

https://app32.studyisland.com/pics/248045q3.png

OpenStudy (anonymous):

Which of the following best describes triangle JKL and triangle RST? Triangle JKL is similar to triangle RST. The length of JK is equal to the length of RS. Triangle JKL is congruent to triangle RST. The length of JL is equal to the length of RT.

OpenStudy (danjs):

JKL is similar to RST

OpenStudy (danjs):

good so far?

OpenStudy (anonymous):

Compare the rates of change of the following table and graph.

OpenStudy (anonymous):

https://app32.studyisland.com/pics/160107q3.png

OpenStudy (anonymous):

x y 1 -4 2 -8 3 -12 4 -16

OpenStudy (anonymous):

The rate of change of the graph is greater than the rate of change of the table. The rate of change of the table is equal to the rate of change of the graph. There is not enough information to determine the rates of change. The rate of change of the table is greater than the rate of change of the graph.

OpenStudy (danjs):

both the same, -4

OpenStudy (anonymous):

so B?

OpenStudy (danjs):

yeah second one you typed

OpenStudy (danjs):

he rate of change of the table is equal to the rate of change of the graph.

OpenStudy (anonymous):

Lawson makes a multi-surface cleaner using one cup of vinegar for every two cups of cleaner. Which graph represents the amount of vinegar in his cleaner?

OpenStudy (anonymous):

https://app32.studyisland.com/pics/247971q2pic4.png

OpenStudy (anonymous):

https://app32.studyisland.com/pics/247971q2pic3.png

OpenStudy (anonymous):

https://app32.studyisland.com/pics/247971q2pic1.png

OpenStudy (anonymous):

https://app32.studyisland.com/pics/247971q2pic2.png

OpenStudy (anonymous):

Which one?Z Y X W

OpenStudy (danjs):

third one

OpenStudy (anonymous):

Matilda and Kathryn went on different road trips over spring break. The equation below represents the number of miles Matilda drove in x hours. y = 62x The table below shows the number of miles Kathryn drove in x hours. Time (in hours) Distance (in miles) 2 114 4 228 6 342 8 456 Who drove at a greater speed? Matilda drove at a greater speed. Matilda and Kathryn drove at the same speed. Kathryn drove at a greater speed. There is not enough information to determine their speeds.

OpenStudy (danjs):

Matilda drove at a greater speed

OpenStudy (anonymous):

Alice will be serving punch at an event she is hosting next month. The graph below shows the number of servings based on the amount of punch available. What is the rate of change of the graph? 10 fluid ounces per serving 5 fluid ounces per serving 1 fluid ounce per serving 0.2 fluid ounce per serving

OpenStudy (anonymous):

https://app32.studyisland.com/pics/247971q1.png

OpenStudy (danjs):

5

OpenStudy (anonymous):

The slope of the line shown between the points (-7, -3) and (-4, 0) is equal to its slope between the points (0, 4) and (6, 10). Which of the following best describes triangle TUV and triangle XYZ? The length of TV is equal to XZ. The length of TU is equal to XY. Triangle TUV is similar to triangle XYZ. Triangle TUV is congruent to triangle XYZ.

OpenStudy (anonymous):

https://app32.studyisland.com/pics/248045q2.png

OpenStudy (danjs):

similar

OpenStudy (danjs):

Triangle TUV is similar to triangle XYZ.

OpenStudy (anonymous):

OMG i passed thanks to yyou caan you please help me with slope plz?

OpenStudy (anonymous):

Ill start a new thread

OpenStudy (danjs):

what score was it

OpenStudy (anonymous):

10 out of 10 :D :D

OpenStudy (danjs):

haha

OpenStudy (anonymous):

My score was bad so i had made an 80 Please help me with slope i would be honored

OpenStudy (danjs):

ok

OpenStudy (anonymous):

And the reason it was bad because i did it before

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