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mrs_skeptik [129]
2 years ago
7

Which statement provides a counterexample to the following faulty definition? A square is a figure with four congruent sides. Qu

estion 8 options: A six-sided figure can have four sides congruent. A rectangle has four sides. Some triangles have all sides congruent. A square has four congruent angles.
Mathematics
2 answers:
Damm [24]2 years ago
7 0
A square is a figure with 4 congruent sides.

This is telling us that a figure with 4 congruent sides is a square. So we need to find other figures with 4 congruent sides that are not squares.

Since you are given choices you are looking for the choice that gives a figure with 4 congruent sides that is not a square. The correct choice is "A 6-sided figure can have 4 congruent sides"
Varvara68 [4.7K]2 years ago
6 0

Answer:

1. The six-sided figure can have 4 sides congruent but is not a square.

Step-by-step explanation:

We are given the statement,

'A square is a figure with four congruent sides'.

It is required to find the statement which is the counter-example for the above statement.

For the counter-example, the statement should hold:

<em>1. The figure has 4 congruent sides</em>

<em>2. The figure is not a square.</em>

According to the options, we see that,

The six-sided figure can have 4 sides congruent but is not a square.

Thus, option 1 is true.

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Which steps can be taken to translate the phrase “the height of a tree is increased by seven inches” into an algebraic expressio
borishaifa [10]

Answer:

Replace “the height of a tree” with a variable, x

Replace “increased by” with an addition symbol

Replace “seven inches” with the number  7.

Write the expression X + 7

Step-by-step explanation:

we have the phrase

“The height of a tree is increased by seven inches”

so

Let

x------> the height of a tree

1) Replace “the height of a tree” with a variable, x

2) Replace “increased by” with an addition symbol (+)

3) Replace “seven inches” with 7.

4) Write the expression X + 7

therefore

The algebraic expression is

X+7

6 0
2 years ago
Read 2 more answers
Shaun read 60 pages in 3/4 h. What is the unit rate that represents the number of pages Shaun can read in 1 h?
Alexus [3.1K]

Answer:

60=3/4

x=4/4

4/4÷1/4

4/4*4/1

4/1*1/1

4/1

4

3/4=12 because if 1/4 is 4 then 3/4 is 12

60=12

60÷12=5

5*4/20

60+20=80

Shaun will read 80 pages in 1 hour

I can only read 25 because i hate reading

4 0
2 years ago
Assume the returns from an asset are normally distributed. The average annual return for the asset is 17.4 percent and the stand
Jlenok [28]

Answer:

0.13%

Step-by-step explanation:

Mean, u = 17.4%

standard deviation, sd = 27.5%

We are looking for the probability that the money will double in value. Therefore we are looking for the value of x = 100% (meaning the value is 100% more that the previous year)

Find the value of z-score

z = (x-u)/sd

  = (100 - 17.4) / 27.5 = 3.003

Find the z score using the z-table

From z-table at P(z<3.003) = 0.9987

So, for the probability that it the money will be double is

P (Z>2.8982) = 1 - P(z<2.8982)

                      = 1- 0.9987

                      = 0.0013  = 0.13%

6 0
2 years ago
An aircraft carrier can travel 450 km in the same time a container ship travels 300 km. If the aircraft carrier was travelling 5
Leto [7]

Answer:

10 km/hr

Step-by-step explanation:

The aircraft carrier and the container ship both took 30 hours to travel their respective distances. If you divide both numbers by 30, you find that their differences is 5. We can tell that the aircraft carrier traveled 450 ÷ 30 = 15 km/hr and the container ship traveled at a speed of 300 ÷ 30 = 10 km/hr. The aircraft carrier traveled 5 km/hr faster. So, we can tell the container ship traveled at 10 km/hr.

Hope this helps! Plz give me brainliest, it will help me achieve my next rank.

6 0
2 years ago
Fill in the blanks. a. A​ relative-frequency distribution is to a variable as a​ __________ distribution is to a random variable
RideAnS [48]

Answer:

a. A​ relative-frequency distribution is to a variable as a​ ___probability_______ distribution is to a random variable. b. A​ relative-frequency histogram is to a variable as a​ _____probability_____ histogram is to a random variable.

Step-by-step explanation:

Probability is a type of mathematics which deals with numerical descriptions of how likely an event would occur, or how likely it is that a the occurrence would be true. The probability of an event is usually between 0 and 1,

where 0 represent impossibility and 1 represents the chance of it occurring.

4 0
2 years ago
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