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Reptile [31]
3 years ago
13

Which of these statements is correct? A) the distance between the points (-2, -9) and (9, 3) is 11 units B) the distance between

the points (3, -2) and (8, 10) is 13 units C) the distance between the points (15, 6) and (21, 22) is 16 units D) the distance between the points (18, 7) and (36, 25) is 18 units
Mathematics
1 answer:
siniylev [52]3 years ago
4 0
The answer is C The distance between the points (15,6) and (21,22)
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What is the mean absolute deviation definition
Katen [24]

To find the mean absolute deviation of the data, start by finding the mean of the data set.

Find the sum of the data values, and divide the sum by the number of data values.

Find the absolute value of the difference between each data value and the mean: ...

Find the sum of the absolute values of the differences

3 0
3 years ago
Cally wants to coat her driveway with a winter sealer. Her driveway is 18 feet long and shaped like a trapezoid. At the garage d
stellarik [79]

Answer:

Amount of Winter sealer for 2 coats[in square feet] = 576 square feet

Step-by-step explanation:

Given:

Length of drive way at garage door = 12 feet

Length of drive way at street = 20 feet

Length of total driveway = 18 feet

Find:

Amount of Winter sealer for 2 coats[in square feet]

Computation:

Amount of Winter sealer for 2 coats[in square feet] = 2[Area of trapezoid]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(Sum of parallel side)(Height)]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(12 + 20)(18)]

Amount of Winter sealer for 2 coats[in square feet] = 2[(1/2)(32)(18)]

Amount of Winter sealer for 2 coats[in square feet] = 32 x 18

Amount of Winter sealer for 2 coats[in square feet] = 576 square feet

5 0
2 years ago
An equilateral triangle has perimeter P. The length of one side is P/3. Which expression is equivalent to the length on one side
irina1246 [14]

Answer: 3\times \dfrac{P}{3}=P

Step-by-step explanation:

Given

The perimeter of one equilateral triangle is P

The lengths of the equilateral triangle are equal

Suppose x is the length of each side

\therefore 3\times x=P\\\\\Rightarrow x=\dfrac{P}{3}

i.e.

\Rightarrow 3\times \dfrac{P}{3}=P

3 0
3 years ago
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frez [133]

Answer:

- 0.5

Step-by-step explanation:

you first change the fractions numbers  in to decimal form

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hence;   0.4 + (-0.875)

             = - 0.475

in to its simplest form   =  - 0.5

  the answer is - 0.5

5 0
3 years ago
What 6 and 7 find Missing number 56 and
stiv31 [10]

6 x 7 = 42

And the missing number is 8, because 7 x 8 = 56.

3 0
3 years ago
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