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aliya0001 [1]
3 years ago
10

Olympic gold medal winner Michael Phelps compete in a pool with required dimensions 2.5 M by 50 m by 2 m what is the volume of t

he Olympic grid pool
Mathematics
1 answer:
Murrr4er [49]3 years ago
5 0

Answer:

250 cubic m

Step-by-step explanation:

volume of the Olympic grid pool

= 2.5 \times 50 \times 2 \\  = 2.5 \times 100 \\  = 250 \:  {m}^{3}

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How many ways can the letters in the word balloon be arranged? 210 1,260 2,520 5,040
Lapatulllka [165]

Answer:

The number of ways this can be done is 1,260 ways

Step-by-step explanation:

In this question, we are asked to calculate the number of ways in which the letters of the word balloon can be arranged.

To do this, we take into consideration those letters that are repeated and the number of times repeated. The letters are l and o and are repeated two times each.

The number of ways = 7!/2!2! = 5040/4 = 1,260 ways

6 0
4 years ago
A random sample of 23 items is drawn from a population whose standard deviation is unknown. The sample mean isx⎯ ⎯ x¯ = 840 and
gayaneshka [121]

Answer:

(832.156, \ 847.844)

Step-by-step explanation:

Given data :

Sample standard deviation, s = 15

Sample mean, \overline x = 840

n = 23

a). 98% confidence interval

$\overline x \pm t_{(n-1, \alpha /2)}. \frac{s}{\sqrt{n}}$

$E= t_{( n-1, \alpha/2 )} \frac{s}{\sqrt n}}

$t_{(n-1 , \alpha/2)} \frac{s}{\sqrt n}$

$t_{(n-1, a\pha/2)}=t_{(22,0.01)} = 2.508$

∴ $E = 2.508 \times \frac{15}{\sqrt{23}}$

  $E = 7.844$

So, 98% CI is

$(\overline x - E, \overline x + E)$

(840-7.844 ,  \ 840+7.844)

(832.156, \ 847.844)

4 0
3 years ago
Diana invested $3000 in a savings account for 3 years .she earned $450 in interest over that time period. what interest rate did
Lubov Fominskaja [6]

Answer:6838384

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Solve the inequality 47. 75 x Less-than-or-equal-to 50 to determine how much more weight can be added to Li’s suitcase without g
vlada-n [284]

The value of x is less than or equal to 2.25.

<h2>Linear system</h2>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

<h3>Simplification</h3>

Simplification is to make something easier to do or understand and to make something less complicated.

Given

The expression is 47.75 + x ≤ 50.

<h3>To find</h3>

The value of x.

<h3>How to find the value of x?</h3>

The expression is 47.75 + x ≤ 50.

On simplifying,

47.75 + x ≤ 50

            x ≤  50 - 47.75

            x ≤ 2.25

Thus, the value of x is less than or equal to 2.25.

More about the linear system link is given below.

brainly.com/question/20379472

3 0
2 years ago
Can you simplify the square root of -8
lapo4ka [179]

Answer:

I don't think so.

Step-by-step explanation:

But what do I know? XD

3 0
3 years ago
Read 2 more answers
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