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4 years ago

7

Two non-coplanar lines ? intersect

1 answer:

mario62 [17]4 years ago

5 0

Never. If they are not on the same plane, then they cannot intersect because 2 lines and 1 point are always on a plane, in this case the original line, then a point in the middle to the point that creates the other line would be included, hence if they are non-coplaner then they cannot intersect.

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The length of a square is 256m and the breadth is 238m what is the perimeter

nikitadnepr [17]

The perimeter is 988 meters

Further explanation:

The given square has different length and breadth which means that the given square is a rectangle.

The formula for perimeter of a rectangle is:

$P=2L+2W$

Given

Length=L=256m

Breadth=W=238m

Putting the values in the formula:

$P=2(256)+2(238)\\=512+476\\=988\ meters$

The perimeter is 988 meters.

Keywords: Rectangle, Perimeter

Learn more about perimeter at:

#LearnwithBrainly

8 0

3 years ago

Note the degree <br> x^3+x+x^2-2-x^3

iren [92.7K]

Answer:

2nd degree

Step-by-step explanation:

can't be x^3 because that cancels out, so the next highest one is x^2

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3 years ago

As a fraction in simplest terms, what would you multiply the first number by to get the second?

Leya [2.2K]

It’s 2.148 but u got to simplify

4 0

3 years ago

Read 2 more answers

The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per

kari74 [83]

Answer:

The probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 96 words per minute

P(x⁻>96) =0.0359

Step-by-step explanation:

<em>Explanation</em>:-

<em>Given sample size 'n' =10</em>

<em>mean of the Population = 90 words per minute</em>

<em>standard deviation of the Population =10 wpm </em>

<em>we will use formula</em>

<em> </em> $Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }$ <em></em>

<em>Let X⁻ = 96</em>

$Z = \frac{96-90 }{\frac{10}{\sqrt{10} } }$

Z = 1.898

<em>The probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 96 words per minute</em>

<em></em> $P(X^{-}>x^{-} ) = P(Z > z^{-} )$ <em></em>

<em> = 1- P( Z ≤z⁻)</em>

<em> = 1- P(Z<1.898)</em>

= 1-(0.5 +A(1.898)

= 0.5 - A(1.898)

= 0.5 -0.4641 (From Normal table)

= 0.0359

<u><em>Final answer</em></u>:-

The probability that a random sample of 10 second grade students from

= 0.0359

4 0

3 years ago

A bag of skittles only contain red pieces,yellow,and orange .If there are 6 red 8 yellow 4 orange pieces, what is the ratio of r

Trava [24]

Answer:

6:6

Step-by-step explanation:

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3 years ago

Read 2 more answers