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olasank [31]
3 years ago
13

Please help.............

Mathematics
2 answers:
natta225 [31]3 years ago
6 0

Answer:

...........

2(x + 2) + 2x = 20

Amiraneli [1.4K]3 years ago
6 0

Answer:

x(x+2) = 20

Step-by-step explanation:

Perimeter Formulas of rectangle is: Perimeter = 2 × (a + b)

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3 years ago
What is the interquartile range (IQR) of the following data set 17 16 21 15 25 22 18 23 17
Pepsi [2]

IQR = 6

First locate the median Q_{2} at the centre of the data arranged in ascending order. Then locate the lower and upper quartiles Q_{1} and Q_{3} located at the centre of the data to the left and right of the median.

Note that if any of the above are not whole values then they are the average of the values either side of the centre.

rearrange data in ascending order

15 16 ↓17 17 18 21 22 ↓23 25

                     ↑

Q_{2} = 18

Q_{1} = \frac{16+17}{2} = 16.5

Q_{3} = \frac{22+23}{2} = 22.5

IQR = Q_{3} - Q_{1} = 22.5 - 16.5 = 6




4 0
3 years ago
Sal is tiling his entryway. The floor plan is drawn on a unit grid. Each unit length represents 1 foot. Tile costs $1.55 per squ
aev [14]

Answer:

He'll pay $110.25

Step-by-step explanation:

To find the area, we divide the shape into two parts at approximately the middle line. The top shape is a trapezoid of base length 7 feet and height 6 feet, while the bottom shape is a parallelogram with one side equal to 4 feet.

Area of trapezoid = (7 + 4)/2 x 6

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3 0
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What is the third quartile of the set of data shown below 26, 34, 38, 49, 65, 75, 81
GREYUIT [131]
Population size:7

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6 0
3 years ago
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ycow [4]

Answer:

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Step-by-step explanation:

28<6x-2

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28+2<6x-2+2

30 < 6x

Divide each side by 6

30/6 < 6x/6

5 < x

7 0
3 years ago
Read 2 more answers
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