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Ede4ka [16]
3 years ago
5

Jessica is walking home from a friend's house. After two minutes she is 1 mile from home. Twelve minutes after leaving, she is 0

.5 miles from home. What is her rate in miles per hour?
Mathematics
1 answer:
777dan777 [17]3 years ago
8 0

Step-by-step explanation:

In ten minutes she walked 1-0.5=0.5 miles.

60 minutes/10 minutes=6. So 0.5 miles ×6=3 miles per hour

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horrorfan [7]

Answer:

39 cm

Step-by-step explanation:

using the x component go find 12 cm width and follow the line up until it intersects the graph. then follow that point left to estimate the height at that point to estimate 37.5 but more accurately you can use the given equation y=3.25x and plug in your x of 12 to get y=39

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2 years ago
The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the
Vitek1552 [10]

Answer: 4 pairs

Step-by-step explanation:

Given

Profit on selling 'x' pairs of shoes is P(x)=-4x^2+32x-39

Find the derivative of the function to find out the critical points

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3 years ago
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DENIUS [597]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
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Ghella [55]
Number 3 is 9 not negative 10
8 0
3 years ago
The school that Kathryn goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 1
Kobotan [32]

Answer:

Step-by-step explanation:

a+s=14

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a=14-6=8

So student tickets cost $6 and adult tickets cost $8.

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