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Natalka [10]
3 years ago
15

the original plan for mr Harris's house is a rectangle that measures 40ft by 50ft. because of the increase and cost of materials

, the square footage is reduced to 1739ft squared. how much will the dimensions be decreased?
Mathematics
1 answer:
Sloan [31]3 years ago
6 0

Answer: The dimesions will be decreased by 13.05%.

Step-by-step explanation:

Hi, we have to calculate the original area.

Area of a rectangle = Length x width

Replacing with the values given:

A = 40x50 = 2000 ft2

Since is reduced to 1739. if we multiply the original area by a the percentage decrease, and subtract that value to the original area, we obtain 1739 ft2.

2000 - (2000x) = 1739

Solving for x

-2000x = 1739 -2000

-2000x = -261

x =-261/-2000

x = 0.1305

Multiply by 1000 to obtain the percentage:

0.1305 x 100 = 13.05%

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beth is planning a playground and has decided to place the swings in such a way that they are thes same distance from the jungle
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Answer:

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Step-by-step explanation:

8 0
3 years ago
Determine the five-number summary for this data set, taking into account any outliers. 10 13 15 12 12 4 12 17 12 13 15 18 10 11
TiliK225 [7]

The value of the median, lower and upper quartile

  • Median = 21.5
  • lower quartile = 12
  • upper quartile = 29

<h3>What is the five-number summary for this data set?</h3>

The minimum value = 10

The maximum value = 38

The median is the value that is found in the center of the data when it is ordered from lowest to highest. In the event that there is no value that precisely corresponds to the center, the value will be determined by taking the average of the values that are located on each side of the middle.

10  11  12  15  19  24  27  29  33  38

Median = 21.5

The intermediate value of the data that is located to the left of the median is known as the lower quartile.

10  11  12  15  19

lower quartile = 12

The intermediate value of the data that is located to the right of the median is known as the upper quartile.

24  27  29  33  38

upper quartile = 29

In conclusion, the 5 number summary is 10, 12, 21.5, 29, 38 → A

Read more about median

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3 0
2 years ago
Which is the graph of f(x) = log3x?.
valentinak56 [21]

Logarithm functions are the inverses of the exponential function the graph of the given function is attached in the given image.

The points for the given function are (1,0) (3,1) and (9,2)

Given that

Function; \rm  f(x) = log3x

We have to determine

The graph of the function f(x).

According to the question

The logarithmic function is the inverse of the exponential function.

Function; \rm  f(x) = log_3x

To plot the graph of the given function we have to find the asymptotes;

Vertical asymptote at x =0

The point at x= 1 is,

\rm f(1) = log_3(1)\\\\f(1)=log_33\\\\f(1)=1

The point at x= 3 is,

\rm f(3) = log_3(3)\\\\f(3)=log_33\\\\f(3)=1

The point at x= 9 is,

\rm f(9) = log_3(9)\\\\f(9)=3log_33\\\\f(9)=3\times 1\\\\ f(9)=3

Hence, the points for the given function are (1,0) (3,1) and (9,2).

To know more about the Exponential function given below.

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5 0
3 years ago
Use estimation to check the answer to this story problem.
katovenus [111]
Here, the answer would be: 765 * 11 = 8415  [ About 8 thousands ]

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5 0
3 years ago
Which linear function represents the line given by the point slope equation<br> y + 1 = -3 (x - 5)
Igoryamba

Answer:

Slope=−

2.000

6.000

​

=−3.000

x−intercept=

3

14

​

=4.66667

y−intercept=

1

14

​

=14.00000

Step-by-step explanation:

Please mark brainliest:)

5 0
3 years ago
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