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vlabodo [156]
3 years ago
8

Chris sharpened 3 boxes of pencils. There are 12 pencils in each box. 7 pencils broke. How many sharpened pencils does Chris now

have?
Mathematics
2 answers:
coldgirl [10]3 years ago
6 0
12×3=36
36-7=29
Chris has 29 sharpened pencils
tester [92]3 years ago
3 0
 there would be 29 pencils left because 3 * 12 is 36 minus 7 is 29
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Meg lives in Indianapolis and wants to visit her mom in Lima. She has been meaning to go to a chiropractor in Dayton, so she is
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Answer: 44 miles

WORKINGS

Given,
The distance between Indianapolis and Lima, IL = 173 miles
The distance between Indianapolis and Dayton, ID = 165 miles
The distance between Dayton and Lima, DL is unknown

Since there are straight roads connecting the three cities, the connection between them form a right angles triangle.

The right angle is at Dayton
The hypotenuse is the distance between Indianapolis and Lima, IL

Therefore IL^2 = ID^2 + DL^2
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Therefore, The distance between Dayton and Lima, DL = 52 miles

The question is asking how many more miles would Meg drive if she stopped in Dayton first than if she drove directly to Lima.

That is, Distance of Indianapolis to Dayton + Distance of Dayton to Lima – Direct distance of Indianapolis to Lima
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A kayak rental company charges $25.00 to rent a kayak and $3.50 for each half hour it is used.
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Answer:

Option D (r(t) = 3.50t +25 ; r(8) = 53)

Step-by-step explanation:

The fixed cost to rent the kayak $25. This is the cost which remains fixed irrespective of the usage of the kayak. The variable cost of using the kayak is the cost which depends on the usage of the kayak. It is mentioned that the kayak is used for 4 hours and the company charges $3.5 for every half hour. The cost function is given by:

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Therefore, Option D is the correct answer!!!

3 0
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