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Troyanec [42]
3 years ago
8

If ΔABZ≅ΔDEC, which of the following statements is not true?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
6 0

Answer

A. ZE=CE

Step-by-step

nydimaria [60]3 years ago
5 0

Answer:

  A. ZE≅CE

  C. CD≅BA

Step-by-step explanation:

The first choice is absurd, because point E is not part of both triangles. It is obviously NOT TRUE.

However, we also find that choice C is NOT TRUE. Compare it to choice B, which is true.

Since no sides of the triangles are marked as congruent, choices B and C cannot both be right. Choice B involves corresponding segments; choice C does not.

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if you take out a loan that cost $130.50 over 9 years and interest rate of 10% how much total was the loan for
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3 years ago
On a trip, Duke encounters some road construction that slows him down. While he is able to go 60 mph on the highway and 40 mph t
natulia [17]

Answer:

Time taken by Duke on the highway = 3 hours

Time spent on the construction = 6 hours

Time spent in the city = 2 hours

Step-by-step explanation:

Speed by which Duke travels a distance on highway d_1 = 60 mph

Let the time taken to travel on highway = t_1 hours

Distance traveled = 60t_1 miles

Speed in the city = 40 mph

Let the time taken = t_2 hours

Distance traveled in the city = 40t_2 miles

Speed on the construction = 20 mph

Let the time spend on the construction = t_3 hours

Distance traveled on the construction = 20t_3 miles

Since, total distance covered = 380 miles

d_1+d_2+d_3=60t_1+40t_2+20t_3

He spends one half the time on the highway as he does on the construction,

t_3=2t_1

Total time spent in the trip = 11 hours

Therefore, t_1+t_2+t_3=11

t_1+t_2+2t_1=11

t_2=11-3t_1

From equation (1),

60t_1+40(11-3t_1)+20(2t_1)=380

60t_1-120t_1+40t_1+440=380

440-20t_1=380

20t_1=440-380

t_1=\frac{60}{20}

t_1=3 hours

t_2=11-3t_1=2 hours

t_3=2t_1=6 hours

Therefore, time taken by Duke on the highway = 3 hours

Time spent on the construction = 6 hours

Time spent in the city = 2 hours

3 0
3 years ago
The lengths of a certain species of fish are approximately normally distributed with a given mean and standard deviation. Accord
umka21 [38]

Answer:

c) 68%

Step-by-step explanation:

The empirical rule states that most of the data will be within three standard deviations in a normal distribution. The 68% of the data will be within one standard deviation, the 95% will be within two standard deviations, and 99.7% of the data will be within three standard deviations.

A normal distribution is a continuous distribution in which values around the mean are the most frequents. It can also be called a bell-shaped distribution.

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That would be true :)
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What is the surface area of the right square pyramid shown above ?
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Answer:

answer d is the right answer

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