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MrRa [10]
3 years ago
8

Idk help me ong , plzzz help meeeeeeeeee

Mathematics
2 answers:
Elden [556K]3 years ago
7 0

Answer:

3/5

Step-by-step explanation:

0.6 = 6/10= 3*2/5*2 = 3/5

krek1111 [17]3 years ago
3 0

Answer:6\

Step-by-step explanation:

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What is the value of 3 in 6035
Sveta_85 [38]
6035 =

6000 + 30 + 5

So I would say 3's value is tenths.
3 0
3 years ago
A newspaper article about the results of a poll states: "In theory, the results of such a poll, in 99 cases out of 100 should di
frutty [35]

Answer:

The sample size suggested by this statement is of at least 4145.

Step-by-step explanation:

This statement states that the 99% confidence interval has a margin of error of 2 percentage points.

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

99% confidence level:

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

Find the sample size suggested by this statement.

The sample size is at least n.

n is found when M = 0.02.

We don't know the true proportion, so we use \pi = 0.5, which is when the largest sample size will be needed.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.02 = 2.575\sqrt{\frac{0.5*0.5}{n}}

0.02\sqrt{n} = 2.575*0.5

\sqrt{n} = \frac{2.575*0.5}{0.02}

(\sqrt{n})^{2} = (\frac{2.575*0.5}{0.02})^{2}

n = 4144.14

Rounding up

The sample size suggested by this statement is of at least 4145.

5 0
3 years ago
How do you write pikachu in numbers?
lesya692 [45]
16 9 11 1 3 8 21 this is in the form of the letters of the alphabet from numbers 1-26 i hope thats what you r looking for.
4 0
3 years ago
ASAP HELP HIGH POINTS <br> find the value of x.
Westkost [7]

Answer:

x ≈ 4.2 (nearest tenth)

Step-by-step explanation:

The chord of length 4 is the base of an isosceles triangle with height of 3.7 and sides equal to the radius (x).

An isosceles triangle comprises two right triangles, each with:

  • base = 2 units
  • height = 3.7 units
  • hypotenuse = x units

Therefore, to find x use Pythagoras' Theorem:  a² + b² = c²

(where a and b are the legs, and c is the hypotenuse, of a right triangle)

⇒ a² + b² = c²

⇒ 2² + 3.7² = x²

⇒ x² = 17.69

⇒ x = √(17.69)

⇒ x = 4.2 (nearest tenth)

7 0
1 year ago
Read 2 more answers
Which expression is equivalent to 3(x - 5) + 2
pogonyaev

Answer:

3x-13 I believe

Step-by-step explanation:

You multiply the 3 to the x and the 5. This would equal 3x-15+2

You would then add the -15 and the 2. This would be the answer 3x-13

Sorry if it is wrong

8 0
3 years ago
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