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alexdok [17]
3 years ago
6

suppose triangle ABC is reflected over the x-axis. If the distance between point A and the x-axis is 7, what is the distance bet

ween the x-axis and A
Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

7

Step-by-step explanation:

If A is 7 units away from the x-axis then the x-axis is seven units away from A.

That's if I read the question right.

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Find the coordinates of the midpoint M of the segment with the given endpoints. Then find the distance between the two points. R
Mrac [35]

Answer:

Midpoint (-2,4)

distance nearest tenth = 8.9

The approximate distance = 9

Step-by-step explanation:

Formulas

PQ midpoint = (x2 + x1)/2, (y2 + y1)/2

distance d = sqrt( (x2 - x1)^2 + (y2 - y1)^2 )

Givens

x2 = -4

x1 = 0

y2 = 1

y1 = 7

Solution

M(PQ) = (-4+0)/2, (1 + 7)/2

M(PQ) = -2, 4

The midpoint is -2,4

The distance = sqrt( (4 - 0)^2 + (1 + 7)^2 )

The distance = sqrt(16 + 64)

The distance = sqrt(80)

The distance = 4√5           exactly

The distance = 8.94    

The distance = 8.9            To the nearest tenth

Question 2

The distance is rounded to the nearest whole number which is 9.

6 0
3 years ago
Calculate the standard deviation of the data set below. (7, 9, 10, 11, 13)
Reil [10]
I think it's 2.2. I apologize if it's incorrect
5 0
3 years ago
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babunello [35]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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The next number in series 7,9,13,29 is:​
Alex17521 [72]

Answer:

285

Step-by-step explanation:

9 = 7 + 2¹

13 = 9 + 2²

29 = 13 + 2⁴

285 = 29 + 2⁸

4 0
3 years ago
Luke shaded 20 squares on his hundredths grid. Bekka shaded 30 squares on her hundredths grid. write two decimals greater than L
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8 0
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