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olasank [31]
3 years ago
7

Which statement shows the Transitive Property of Equality? a. If AB = CD and AB =EF, then CD is not Equal to EF. b. If AB + BC =

DE + BC, then AB = DE. c. IF AB = CD, and CD = DE, then AB = DE d. If AB = CD, then CD = AB.
Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0
The answer is c
AB = CD, CD = DE the AB = DE
Alex777 [14]3 years ago
7 0

Answer:

c. If AB=CD and CD= DE ,then AB=DE.

Step-by-step explanation:

Statement of Transitive property of equality : It states that If two numbers are equal to third number then they are also equal to each other.

In short

 If a=b  and b= c

then a= c

a. AB= CD and AB=EF

Then CD=EF

But we are given that CD is not equal to EF. Therefore, it is false.

b.If AB+BC=DE+BC

Then , AB=DE , It is not a statement of transitive property of equality . When both sides added equal part of segment then the segments are equal.Therefore, it is not a transitive property. Hence,it is false.

c.If AB=CD and CD= DE

Then AB=DE

It follows the statement of transitive property . Therefore, it is true.

d. If AB=CD then CD=AB

It is a commutative property of equality . Therefore, it is not a statement of transitive property of equality.Hence, it is false.

Answer : c. If AB=CD and CD= DE ,then AB=DE.

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Alexxx [7]

Answer:

C.) The amount of hours you drive

Step-by-step explanation:

7 0
3 years ago
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E) Three friends were each given 25% of pie. What fraction of the pie was given altogether?​
Leokris [45]

Answer:

3/4 or 75% or .75

Step-by-step explanation:

You would multiply 3 * .25 because there are three people getting 25% of a pie. All of the answers above are equivalent

4 0
2 years ago
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1.
belka [17]
B)subtraction hopes this help:)
5 0
3 years ago
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Whats the answer and why?
san4es73 [151]

A) -13

Bcz

x^2-13x+12=0

x^2-x-12x+12=0

x(x-1)-12(x-1)=0

(x-1)(x-12)=0

6 0
3 years ago
Two forces with magnitudes of 150 and 75 pounds act on an object at angles of 30° and 150°, respectively. Find the direction and
Anastaziya [24]
The problem is modelled in the first picture shown below

To work out the resultant vector, we modelled the vectors 150N and 75N as triangle AOB is shown in the second picture with AB as the resultant vector. 

We use the cosine rule to work out the length AB
AB^{2}= 75^{2}+ 150^{2}-(2*75*150*cos(60))
AB^{2} =28125-11250
AB^{2}=16875
AB= \sqrt{16875} =130(nearest whole number)

The third picture shows the full diagram of the vectors

To work out the direction of the resultant vector, we use the sin rule to find the size of angle A and angle B

Angle A
\frac{130}{sin(60)}= \frac{75}{sin(A)}
130sin(A)=75sin(60)
sin(A)= \frac{75sin(60)}{130}
sin(A)=0.4996300406
A= sin^{-1}(0.4996300406)
A=30 (rounded to nearest whole number)

Angle B
B=180-60-30=90

Direction is 60° toward negative x-axis

Answer: Magnitude 130N and direction 60° toward negative x-axis

3 0
3 years ago
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