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Lelu [443]
3 years ago
10

If a and b are two digits, then the following fraction

Mathematics
2 answers:
Andrews [41]3 years ago
6 0

Answer:

B. 1010

Step-by-step explanation:

<u>Simplify:</u>

  • (ab0+ab0ab) ÷ (ab) - 1

<u>Note that:</u>

  • ab = 10a +b
  • ab0 = 10* (10a + b) = 10ab
  • ab0ab = 1000ab + ab = 1001 ab

<u>Therefore:</u>

  • (ab0+ab0ab) ÷ (ab) - 1 =
  • (10ab + 1001ab) ÷ (ab) - 1 =
  • (1011ab) ÷ (ab) - 1 =
  • 1011 - 1=
  • 1010

<u>Correct choice is</u> B.1010

viva [34]3 years ago
3 0
The answer to this is B.
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The Gates family has a home that they purchased for $160,000. If the value of their home increases at a rate of 3% per year, how
Westkost [7]
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8 0
2 years ago
Sam is flying a kite. The length of the kite string is 80 meters, and it makes an angle of 75° with the ground. The height of th
olya-2409 [2.1K]

Answer:

THE HEIGHT OF THE KITE FROM THE GROUND=80mtr

Step-by-step explanation:

let H be the height of kite from ground

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5 0
3 years ago
Select all of the following statements that are true:
Maurinko [17]

Answer:

B. You shouldnt take a random sample of more than 5% of the population size.

Step-by-step explanation:

B. You shouldnt take a random sample of more than 5% of the population size. This is True, so as to avoid the research analysis to be more complex to interpret and analyzed

However, the following are not true statements:

A. Random samples only generate unbiased estimates of long-run proportions, not long-run means. This is False, as there may be sampling error, when picking the sample, which will lead to bias estimates in the long run proportions

C. There is no way that a random sample of 100 people can be representative of all adults living in the United States. This is False, as using the right factors such as gender, age, income, etc, in selecting the sample, 100 people is enough to use as sample of adults living in the United States

D. If this question is voted out, the alternate option is "larger samples are always better than smaller samples, regardless of how the sample was collected." This is False, larger samples are not always better than smaller samples. In fact, they are often difficult to analyze and interpret.

E. Nonrandom samples are always poor representations of the population: This is False, depending on the expected outcome of the research study. Some research studies required the research to use Nonrandom samples to reach verifiable conclusion.

8 0
3 years ago
Cube root of 0.000064
const2013 [10]
<span>Cube root of 0.000064 = 0.04

hope it helps
------------------</span>
6 0
3 years ago
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