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olganol [36]
3 years ago
10

Distance between two points ( phythagorean thereorm)

Mathematics
1 answer:
Ilya [14]3 years ago
3 0
What are the points?
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Explain why a graphical display might be skewed. How do you ensure data isn’t skewed?
Leno4ka [110]

Sample Response: If the data is collected in a biased manner, the graph could be skewed. Also, if the number of observations is too small, the graph can be skewed. To ensure the data is not skewed, collect a large representative unbiased sample

5 0
3 years ago
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Find the equation of a sphere if one of its diameters has endpoints: (-9, -12, -6) and (11, 8, 14).
baherus [9]

Answer:

Hence, the equation of a sphere with one of its diameters with endpoints (-9, -12, -6) and (11, 8, 14) is (x-1)^{2}+(y+2)^{2}+(z-4)^{2} = 30.

Step-by-step explanation:

There are two kew parameters for a sphere: Center (h, k, s) and Radius (r). The radius is the midpoint of the line segment between endpoints. That is:

C(x,y,z) = \left(\frac{-9+11}{2},\frac{-12+8}{2},\frac{-6+14}{2}   \right)

C(x,y,z) = (1,-2,4)

The radius can be found by halving the length of diameter, which can be determined by knowning location of endpoints and using Pythagorean Theorem:

r = \frac{1}{2}\cdot \sqrt{(-9-11)^{2}+(-12-8)^{2}+(-6-14)^{2}}

r = 10\sqrt{3}

The general formula of a sphere centered at (h, k, s) and with a radius r is:

(x-h)^{2}+(y-k)^{2}+(z-s)^{2} = r^{2}

Hence, the equation of a sphere with one of its diameters with endpoints (-9, -12, -6) and (11, 8, 14) is (x-1)^{2}+(y+2)^{2}+(z-4)^{2} = 30.

8 0
3 years ago
Beth has 15 pounds of laundry. The laundromat chargers $0.80 kilogram
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3 years ago
Need help on this one too asap
sweet [91]

Answer:

The correct answer is option B. Trapezoid

Step-by-step explanation:

In a trapezoid only  one pair of sides area parallel.

a. Rhombus: It have 4 sides opposites sides are parallel and equal.

c. Rectangle :Rectangle have 4 sides opposite sides are equal and parallel. Also all angles are equal.all angles equal to 90°

d. Square : square ave 4 sides all sides are equal and parallel. Also all angles are equal.all angles equal to 90°

4 0
3 years ago
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You paint 1/ 3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall?​
Karolina [17]

Answer:

3/4 of an hour

Step-by-step explanation:

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