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weqwewe [10]
3 years ago
7

Is line AD parallel to line CE? Explain.

Mathematics
1 answer:
bulgar [2K]3 years ago
5 0

Answer:

yes, line AD is parallel to line CE

Step-by-step explanation:

they are parallel because both lines can continue on forever and they will never touch each other

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On his trip,Buddy drove 60 mph for 1 hour, 55 mph for 3 hours and 40 mph for 2 hours. What was the distance of Buddy trip?
sveticcg [70]

Answer:

Step-by-step explanation:

3 0
2 years ago
Chris is reading a book that has nine-hundred seventy-eight pages in it. Every night
GaryK [48]

9514 1404 393

Answer:

  Every night

Step-by-step explanation:

The problem statement tells you ...

  "Every night Chris reads a number of pages that can be rounded to the nearest hundred."

Then it asks you ...

  "On what nights does Chris read a number of pages that can be rounded to the nearest hundred?"

If we take the problem statement at face value, the answer must be ...

  "Every night."

7 0
2 years ago
Final exam scores are normally distributed with a mean of 74 and a standard deviation of 6. Approximately, what percentage of fi
notka56 [123]

Answer:

81.86%

Step-by-step explanation:

We have been given that final exam scores are normally distributed with a mean of 74 and a standard deviation of 6.

First of all we will find z-score using z-score formula.

z=\frac{x-\mu}{\sigma}

z=\frac{68-74}{6}

z=\frac{-6}{6}=-1

Now let us find z-score for 86.

z=\frac{86-74}{6}    

z=\frac{12}{6}=2        

Now we will find P(-1<Z) which is probability that a random score would be greater than 68. We will find P(2>Z) which is probability that a random score would be less than 86.

Using normal distribution table we will get,    

P(-1

P(2>Z)=.97725  

We will use formula P(a to find the probability to find that a normal variable lies between two values.

Upon substituting our given values in above formula we will get,

P(-1

P(-1

Upon converting 0.81859 to percentage we will get

0.81859*100=81.859\approx 81.86

Therefore, 81.86% of final exam score will be between 68 and 86.  


3 0
3 years ago
Please answer this multiple choice question correctly for 30 points and brainliest!!
marishachu [46]

Step-by-step answer:

Given:

Initial monthly salary = $5000

New salary = 10% less

Salary a year after = 15% more

Solution:

New salary

= 5000 * (100-10)%

= 5000 * 90%

= 5000 * 90/100

= 4500

Salary a year after

= 4500 * (100+15%)

= 4500 * 115%

= 4500 * 115/100

= 45*115

= 5175

6 0
3 years ago
The rectangle is the image after a dilation with the center of dilation at the origin of rectangle ABCD. The pre-image of A prim
lidiya [134]

9514 1404 393

Answer:

  (a)  The scale factor is 2.5 and the coordinates of point C are (–2.4, –0.8)

Step-by-step explanation:

We are given ...

  A(-4, 3.2) and A'(-10, 8)

  C'( -6, -2)

__

The scale factor is the ratio of corresponding coordinates:

  A'x/Ax = -10/-4 = 2.5 . . . scale factor

Then the coordinates of C will be ...

  C' = 2.5C

  C = C'/2.5 = (-6, -2)/2.5

  C = (-2.4, -0.8)

5 0
2 years ago
Read 2 more answers
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