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Trava [24]
3 years ago
10

Determine whether the following ratios are equivalent. (9:12 and 24:18)

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0

0111100109090909099999999999999999

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The intersection of two planes is a <br> POINT <br> PLANE <br> LINE <br> LINE SEGMENT
ludmilkaskok [199]
The intersection of two planes is a line.
3 0
3 years ago
The following data are the distances between a sample of 20 retail stores and a large distribution center. The distances are in
sesenic [268]

Answer:

Variance = 1,227.27

Standard deviation = 35.03

Step-by-step explanation:

To calculate these, we use the following formulas:

Mean = (sum of the values) / n

Variance = ((Σ(x - mean)^2) / (n - 1)

Standard deviation = Variance^0.5

Where;

n = number of values = 20

x = each value

Therefore, we have:

Sum of the values = 29 + 32 + 36 + 40 + 58 + 67 + 68 + 69 + 76 + 86 + 87 + 95 + 96 + 96 + 99 + 106 + 112 + 127 + 145 + 150 = 1,674

Mean = 1,674 / 20 = 83.70

Variance = ((29-83.70)^2 + (32-83.70)^2 + (36-83.70)^2 + (40-83.70)^2 + (58-83.70)^2 + (67-83.70)^2 + (68-83.70)^2 + (69-83.70)^2 + (76-83.70)^2 + (86-83.70)^2 + (87-83.70)^2 + (95-83.70)^2 + (96-83.70)^2 + (96-83.70)^2 + (99-83.70)^2 + (106-83.70)^2 + (112-83.70)^2 + (127-83.70)^2 + (145-83.70)^2 + (150-83.70)^2) / (20 - 1) = 23,318.20 / 19 = 1,227.27

Standard deviation = 1,227.27^0.5 = 35.03

5 0
2 years ago
What is the distance between the coordinate points (7,0), (-1,3)
JulijaS [17]

Step-by-step explanation:

in moving from the point let say A(7,0) to the point B(-1,3), the x-coordinate increases by (7-(-1)= 8 while the y-coordinate decreses by (0-3)=-3. The same of this is given by finding the square of 8=64 and (-3)=9. by summing the two we have 64+9=73. so we find the square root of 73 which which is 8.55. so therefore the answer is 8.55 which is approximately 9

4 0
3 years ago
If y-value decreases each time the x-value increses by 1, what is the slope of the line?
valkas [14]

Answer:

Slope = -1

Step-by-step explanation:

If y value decreases...and then x increases...then 1/-1 which is = to -1.

3 0
2 years ago
What is the simplified version of (1/a)^3? Please explain. I don't understand.
Valentin [98]
( \frac{x}{y} )^m= \frac{x^m}{y^m}
( \frac{1}{a} )^3= \frac{1^3}{a^3} = \frac{1}{a^3}
or even a^{-3}
8 0
3 years ago
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