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777dan777 [17]
3 years ago
15

using approximations to 1 significant figure, estimate the value of 9.94² × 29.7 you must show your working​

Mathematics
1 answer:
zvonat [6]3 years ago
4 0

Answer:

2934.5

Step-by-step explanation:

2934.46692 Rounded to 1 Sig Fig is 2934.5

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When n=1 there is 1 dot. when n=2 there are 3 dots, when n=3 there are 6 dots. notice that the total number of dots increases by
gayaneshka [121]

Answer:

<h3>Part A</h3>
  • d(n) = n(n + 1)/2
  • n = 1 ⇒ d(1) = 1(1 + 1)/2 = 2/2 = 1, proved
<h3>Part B</h3>
  • d(k) + (k + 1) =
  • k(k + 1)/2 + (k + 1) =
  • [k(k + 1) + 2(k + 1)]/2 =
  • [(k + 1)(k + 1 + 1)]/2 =
  • d(k + 1)
  • Proved

6 0
2 years ago
A biased coin has a probability of 0.4 of coming up heads. What is the probability that when flipped one hundred times it comes
inn [45]

Using the binomial probability relation ; the probability that an head is obtained at least 50 times is 0.0271

<u>Using the binomial probability relation</u> :

  • P(x = x) = nCx * p^x * q^(n-x)
  • p = probability of success = 0.4
  • q = 1 - p = 0.6
  • n = number of trials = 100

P(x ≥ 50) = p(x = 50) + p(x = 51) + ...+ p(x = 100)

<u>Using a binomial probability calculator</u> :

P(x ≥ 100) = 0.0271

Therefore, the probability that atleast 50 heads are obtained in the trial is 0.0271

Learn more :brainly.com/question/12474772

5 0
3 years ago
Help me please thanks
Vilka [71]
The answer is

2x - 3 + 15 / 5x + 1
A is the answer
5 0
3 years ago
Where was No Man's Land located?
motikmotik

Answer:

Between the two sides

Step-by-step explanation:

No Man's Land was the land that separated the Allies and Axis powers in both World Wars.

8 0
3 years ago
Read 2 more answers
This is a required question
ruslelena [56]
The answer is 92 or it can be 1A
4 0
2 years ago
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