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3 years ago

3/13 as a decimal rounded to the nearest thousandth

Mathematics

2 answers:

garri49 [273]3 years ago

7 0

Answer:

0.231

Step-by-step explanation:

Levart [38]3 years ago

7 0

Answer:

3/13 round to the nearest thousandth is 0.231

Step-by-step explanation:

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Ellen flipped a coin 80 times. The coin landed heads up 44 times and tails up 36 times. Compare the theoretical and experimental

devlian [24]

Given:

Ellen flipped a coin 80 times. The coin landed heads up 44 times and tails up 36 times.

To find:

The theoretical and experimental probabilities of the coin landing tails up and compare them.

Solution:

We know that, the coin landed either heads up or tails up. So, the theoretical probabilities of the coin landing tails up is

$P(T)=\dfrac{Tails}{Total}$

$P(T)=\dfrac{1}{2}$

$P(T)=0.5$

Ellen flipped a coin 80 times. The coin landed heads up 44 times and tails up 36 times.

Total = 80

Tails =36

The experimental probabilities of the coin landing tails up is

$P(T)=\dfrac{Tails}{Total}$

$P(T)=\dfrac{36}{80}$

$P(T)=0.45$

Therefore, the theoretical and experimental probabilities of the coin landing tails up are 0.5 and 0.45 respectively. The theoretical probability is greater than the experimental probability.

6 0

3 years ago

Describe the location of the sum, relative to p, on a number line<br> P+(-2)

il63 [147K]

Answer:

The location of the sum is 2 units before P (left to P)

Step-by-step explanation:

* <em>Lets describe the number line</em>

- A number line is a horizontal straight line with numbers placed at

an equal units

- A number line can be extended infinitely to the left and to the right

- A number line represents both positive and negative integers

- The numbers come on it from left to right

- The negative numbers come on the left of zero and the positive

numbers come on the right of zero

- Ex: -5 , -4 , -3 , -2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 part of the numbers on the

number line

- To add numbers on the number line we start from first number of

the addition and if this number is added by a positive number we

go to right , if the number is added by a negative number

we go to left

- Ex: 5 + 3 ⇒ go from 5 to the right 3 units, then your position is at 8

2 + (-3) ⇒ go from 2 to the left 3 units then your position is at -1

* <em>Now lets solve the problem</em>

- The sum of P + (-2)

∵ Your location is P

∵ You will add P by (-2)

- Negative number means you go to the left

∴ Your position will be before P by two units

∴ The location of the sum is 2 units before P (left to P)

5 0

3 years ago

Please help I’ll give brainliest

damaskus [11]

The piecewise function all the way to the left (x + 3) should have an ending point shaded in. [At x = -2] The next function ((x^2) -1) should have both ending points left unshaded. Finally, the logarithm function should have a shaded in starting point [At x = 1] and should have an unshaded ending point at x = 3.

6 0

3 years ago

Solve equation: <br> 8n-7=-12+3n

lutik1710 [3]

To solve this problem, the first thing we have to do is regroup the terms so that we can then subtract, simplify, subtract, and finally simplify again.

But first we must know.

<h3>¿What are the equations?</h3>

Equations are those mathematical equalities divided between two expressions which are called members and separated by their equal sign, in which known elements and unknown or unknown data appear, related by mathematical operations.

<h3>We solve the problem:</h3>

8n - 7 = -12 + 3n
8n - 7 = 3n - 12
8n - 7 - 3n = -12
5n - 7 = -12
5n = -12 + 7
5n = -5
N = -1

Now we must check our results.

8n -7 = -12 + 3n

8 × - 1 - 7 = -12 + 3 × - 1

- 8 - 7 = - 12 - 3

- 15 = - 12 - 3

- 15 = - 15

So, our results are correct, the answer is n = - 1

¡Hope this helped!

6 0

2 years ago

Read 2 more answers

Which of the following is a polynomial?

Reptile [31]

A. Because an expression with one or more terms is called a polynomial

7 0

3 years ago