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blsea [12.9K]
3 years ago
11

Ms. Forestal is purchasing greeting cards in preparation for the upcoming winter holidays. At Store A she can get 3 greeting car

ds for $15.00. At Store B, she can get 6 greeting cards for $24. Which is the better buy?
Mathematics
1 answer:
soldi70 [24.7K]3 years ago
4 0

Answer:

store B

Step-by-step explanation:

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What is the slope of the line given by the equation y=-1/3x? Entee your answer as an integer or fraction in lowest terms.
Serhud [2]
-1/3

really? it's that easy dude. 

whatever number is next to x, like say, 3x, that number would be the slope, so it would be 3.

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6 0
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An oil drilling company drills the same distance each day for 5 days. They started at an elevation of 121.175 feet and ended at
nirvana33 [79]

Answer:

x=\dfrac{|-246.875-121.175|}{5}

Step-by-step explanation:

Given that:

Same distance is drilled by the oil drilling company for 5 days.

Initial elevation = 121.175 feet

Final elevation = -246.875 feet

To find:

The equation to find the value of x i.e. the distance drilled each day?

Solution:

To find the distance drilled each day, we need to divide the total distance drilled with the number of days taken to drill the total distance.

Total distance drilled can be found by subtracting the initial elevation from the final elevation and taking modulus because distance can not be negative.

Total distance drilled = | Final elevation - Initial elevation |

Total distance drilled = | -246.875 - 121.175 |

Therefore, we can write the expression as:

x=\dfrac{|-246.875-121.175|}{5}

\Rightarrow x=\dfrac{|-368.05 |}{5} =73.61\ ft/day

3 0
3 years ago
Cole and his sister chloe are cleaning their house. The house has nine rooms in it. If it take one person about 18 minutes to cl
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Answer:  Cole and his sister Chloe will take 81 minutes to clean the whole house.


Step-by-step explanation:

Total rooms in the house = 9

Total persons to clean the house = 2 (Cole and his sister Chloe)

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Time taken by 2 persons to clean one room together=18 divided by 2 = 9 minutes

Time taken by 2 persons to clean 9 rooms (which is the total number of rooms in the house)=9 multiply 9 = 81 minutes

therefore, they will take 81 minutes to clean the whole house.

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