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blondinia [14]
4 years ago
6

3. Lines l and m are parallel. Lines t1 and t2 are transversals. What is m<1 if m<4=65* ? Justify your answer.

Mathematics
2 answers:
blondinia [14]4 years ago
4 0
115 would be the answer 
miskamm [114]4 years ago
3 0
∠4 = 65°
Supplementary of ∠4 = 180 - 65 = 115°

∠1 = 115° (∠1 and supplementary angle of ∠4 are corresponding angles)

Answer: 115°
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Two planes start flying towards each other simultaneously from two different cities. The distance between the cities is 960 mile
Eddi Din [679]

Answer:

The speed of one plane =   257.5 miles per hour

And speed of second plane =  332.5 miles per hour

Step-by-step explanation:

We have given,

Distance between two cities = 960 miles

Two planes are flying towards each other.

Let the speed of one plane be x.

Then,

Speed of second plane = x+75     {Following this "one of the planes' speed exceeds the other by 75 mph"]

After 1.5 hours they are still 75 miles apart.

i.e Relative distance between two planes = Relative speed of plane × Time

Here

relative speed = x + (x+75) , and relative distance left to cover = 960-75.

i.e

(960 - 75) = {x+(x+75)}×1.5

885 = (2x+75)×1.5

or \frac{885}{1.5} =2x+75

or 590-75 = 2x

or 515 = 2x

or x = \frac{515}{2} = 257.5

Hence the speed of one plane = x =  257.5 miles per hour

And speed of second plane = (x+75) = 257.5 + 75 = 332.5 miles per hour

6 0
3 years ago
Identify the type of sampling used. In a recent online​ survey, participants were asked to answer​ "yes" or​ "no" to the questio
Anastaziya [24]

Answer:

The sampling technique used is convenience sampling.

Step-by-step explanation:

Convenience sampling technique is a method of non-probability sampling that is done using the most easiest sample or the most convenient sample.

For instance, sampling the people of our neighborhood, or school or company, etc.

This type of sampling is known as non-probability sampling because each individual\participant does not have a specific probability of selection. Whereas in case of probability sampling each participant has an equal probability of being selected.

Survey that are conducted through online portals or online survey use samples that are quite easy to collect. The sample collected through online surveys is convenience sample.

The survey conducted to determine how many people were in favor of stricter gun​ control uses a convenience sampling technique. As it uses the most easy source to collect the sample.

Thus, the sampling technique used is convenience sampling.

7 0
3 years ago
How to use prime factorization to find the greatest common factor of 90 and 104
alekssr [168]

Answer:

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5 0
3 years ago
(-1,3) (3,0) (-1.-2) find perimiter
KATRIN_1 [288]

Answer:

p≈14.5

Step-by-step explanation:

Find the distance between the three pairs first using the distance formula:

\sqrt{(x2-x1)^2+(y2-y1)^2}

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\sqrt{(3-(-1))^2+(0-3)^2}

Simplify parentheses (two negatives makes a positive):

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Simplify parentheses (two negatives makes a positive):

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The distance between the last points is 5. Add the distances together to find the perimeter of the triangle:

5+4.5+5\\10+4.5\\14.5

The perimeter is about 14.5.

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What is the volume of a rectangular prism that measures 8 meters by 4 meters by 5
ollegr [7]

The volume of the rectangular prism is 160. You just multiply the width by the height by the length in order to get the volume of a rectangular prism.

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