MATHEMATICS MIDDLE SCHOOL

Mr. Santos is carpeting his living room. The room measures 21 feet by 15 feet. The carpeting costs $9 per square foot. How much carpeting will he need (in square feet), and how much will it cost?

Answers

Answer 1
Answer:

Answer: 315 square feet is needed for carpeting and It costs $2835.

Step-by-step explanation:

Since we have given that

Length of room = 21 feet

Width of room = 15 feet

As we know the formula for "Area of room ":

Area=Length* Width\n\nArea=12* 15\n\nArea=315\ ft^2

Hence, 315 square feet is needed for carpeting.

Cost of per square foot of carpeting = $9

Total cost will be

9* 315\n\n=\$2835

Hence, it costs $2835.
Answer 2
Answer: 21*15=315 sqft
315*$9=2,835

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Answers

You would round the numbers to 830 and 20 and divide, that’d be 41.5, that’s your estimate. Then divide 828 and 23, that’d be 36. That’s your answer. Oh and to check your answer, 23 times 36=828

A library is open til' 5:00 P.M. On Wednesdays, the library closes 2 hours early. How many hours for a month is the library open.

Answers

so
if you assume that the month has 30 days and that the library opens at midnight, then
24 hours in a day
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on wednessday=17-2=15 hours
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ok so then we have
25 and 5/7 days is 17 hours and
4 and 2/7 days is 15 hours
so just multipy them and add

25 and 5/7 times 17=437.143 hours
4 and 2/7 days times 15 =64.2857
add

437.143+64.2856=501.429
so aprox 501.429

the real equation is  [((1)/(7))(n)(15)]+[ ((6)/(7)) (n)(17)]=hours where n represents the number of days in the month

apros 501.429

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Answers

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Answers

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Answers

Answer:

Vertex ( 0,1) and it is maximum.

Step-by-step explanation:

Given  : graph of parabola .

To find : What are the coordinates of the vertex of the graph? Is it a maximum or minimum.

Solution : We have given the graph of parabola

Vertex : the highest point ; the top.

Vertex : ( 0 , 1) because it cut at y ,

When the parabola opens down, the vertex is the highest point on the graph is called the maximum, or max.

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Answers

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