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zysi [14]
2 years ago
6

If A/B and C/D are rational expressions, then AxC/BxD = AxD/BxC A. True B. False

Mathematics
1 answer:
sdas [7]2 years ago
6 0

Answer:

True

Step-by-step explanation:

If A/B and C/D are rational expression then

A/B*C/D

Or

A/B*C/D=A/C*B/D

It means that if A/B and C/D are rational expression then their product with each other will also be a rational expression.

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Given: 5n - 42 = 12n; Prove: n= -6<br> What are the Statements<br> What are the Reasons
asambeis [7]

Answer:

-72=-72

Step-by-step explanation:

5n-42=12n

n=-6

5*(-6)-42 = 12*(-6)

-30-42=-72

-72=-72

So, n= -6 is the right number for this equation

4 0
2 years ago
2n + 4n = 42<br><br> Answer: the value of n is .....
Gennadij [26K]

Answer:

7

Step-by-step explanation:

2n + 4n = 6n, adding like terms

6n = 42

6n/6 = 42/6

n = 7

5 0
3 years ago
Read 2 more answers
In assessing the validity of any test of hypotheses, it is good practice to a. examine the probability model that serves as a ba
ehidna [41]

Answer:

The Correct option is - d. all of the above.

Step-by-step explanation:

To find - In assessing the validity of any test of hypotheses, it is good practice to

a. examine the probability model that serves as a basis for the test by using exploratory data analysis on the data.

b. determine exactly how the study was conducted.

c. determine what assumptions the researchers made.

d. all of the above.

Proof -

All the Given options are correct to study the validity of a hypothesis test.

So,

The Correct option is - d. all of the above.

4 0
3 years ago
A repairman charges $55 for a home visit plus $45 per hour for the time he spends making repairs. How many hours did he work if
levacccp [35]

Answer:

3.5

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Multiplu (3/5) to the 3rd power
Colt1911 [192]

Answer:

27/125

Step-by-step explanation:

3/5 × 3/5 × 3/5

3×3×3 =27

5×5×5= 125

=27/125

5 0
2 years ago
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