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svetlana [45]
3 years ago
10

betty wants to install new carpet in her room the room is 15ft and the width 15ft. if the cost of the carpet is £8per square foo

t ,what will be the total cost to carpet betty living room
Mathematics
1 answer:
notka56 [123]3 years ago
4 0

The dimensions of living room are 15 feet by 15 feet, so side= 15 feet

since the carpet is square,

area of square = side * side

area of carpet =15*15 =225 feet square.

Cost of 1 square foot of carpet = £8

Cost of 225 square feet of carpet = £8 *225 =£1800

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Answer:

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Step-by-step explanation:

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3 years ago
Which of the following points could be added to the graph f(x)=-|x+3| to keep the graph a function?
sasho [114]

None of the points could be added to the graph f(x)=-|x+3| to keep the graph a function

<h3>How to determine the point?</h3>

The equation of the function is given as:

f(x) = - |x + 3|

The points are given as:

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When x = 0, we have:

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When x = -3, we have:

f(-3) = - |-3 + 3|

f(-3) = 0 --- different y value from (-3, -6)

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Hence, none of the points could be added to the graph f(x)=-|x+3| to keep the graph a function

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6 0
2 years ago
Simplify 3[2^3 + (4-2)^3 - (6-2)^2]
Ivahew [28]

Answer:

\boxed{0}

.

Step-by-step explanation:

3(2^3 + (4 - 2)^3 - (6 - 2)^2)

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