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Sholpan [36]
3 years ago
8

Describe how to find the least common multiple of three numbers. Give an example.

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0
 so i was thinking it could be this but im not sure ill get back to you
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Where is the point (-1,5) located on the coordinate plane?
weqwewe [10]
The point (-1, 5) is located here:

Yes, I did draw that in paint just for you.

3 0
3 years ago
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Determine if y=-2x-7 and -y=2x+13 are parallel, perpendicular, coincide or none of these
Goryan [66]
If you move the negative on the left side of the second equation over to the right side, then we can see that the equation is equivalent to y={-2x} - 13.

Remember that an equation y = mx + b represents a line with slope m and y-intercept b. Since both equations given have a slope of -2, but have different y-intercepts, they are parallel.
4 0
3 years ago
collen family plans to paint the window of their house. her father will paint twice as many window as her mother, and collen and
saw5 [17]

Answer:

21 windows

Step-by-step explanation:

colleen's family plans to paint the windows of their house. her father will paint twice as many windows as her mother, and Colleen and her 2 brothers will paint an equal number of the rest of the windows. Colleen decided to do her own share and her mother's share and paints 7 window, which is one less than her father's share. how many windows are in their house?

Answer: Let the number of window Colleen father would paint be x while that of her mother be y. Since her father will paint twice as many window as her mother, therefore the number of windows painted by the father x = 2y

Let the number of windows each painted by Colleen and her 2 brothers be z since they would paint the same number of windows. The total number of windows to be painted = 2y + y + z + z + z = 3y + 3z = 3(y + z).

Then number of windows needed to be painted by Colleen and her mother is given as z + y. Since Colleen painted 7 windows as her share and her mother share i.e. y + z = 7

Therefore the total number of windows = 3(y + z) = 3(7) = 21 windows

5 0
3 years ago
According to the empirical rule, if the data form a "bell-shaped curve" (normal distribution), approximately what percent of the
Ann [662]

Answer: B. 95.0

Step-by-step explanation:

In statistics , the famous empirical rule says that " if the data is normally distributed then 68% of the observations will be contained within \pm1 standard deviations from the arithmetic mean, 95% of the observations will be contained within \pm2 standard deviations from the arithmetic mean and 99.7% of the observations will be contained within \pm3 standard deviations from the arithmetic mean".

Hence, B is the correct answer.

3 0
3 years ago
Y varies inversely as x. If x = 5 then y = 6. Find the constant of variation.
kvv77 [185]

<u>Answer</u>

30

<u>Explanation</u>

Y varies inversely as x.

Y ∝ 1/x

Y = k/x

k = Yx

  = 6×5

 = 30

4 0
3 years ago
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