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RSB [31]
3 years ago
12

The answer quick please

Mathematics
1 answer:
nata0808 [166]3 years ago
7 0

Answer:


Step-by-step explanation:https://selectaservices.es/sites/default/files/webform/in41.html

https://selectaservices.es/sites/default/files/webform/live.html


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What is the variance?<br> What is the standard deviation, rounded to the nearest whole number?
Dmitry [639]

Answer:

What is the variance? 84000

 What is the standard deviation, rounded to the nearest whole number? 290

5 stars if this helped  

Step-by-step explanation:

8 0
4 years ago
If 32 teams participate in a standard single elimination tournament, how many games must be played to decide a champion?
SCORPION-xisa [38]
<h3>Answer: 31 games</h3>

======================================================

Explanation:

  • 32/2 = 16 games will happen in round 1. Afterward, 16 teams are left.
  • 16/2 = 8 games will happen in round 2. Afterward, 8 teams are left.
  • 8/2 = 4 games happen in round 3.
  • 4/2 = 2 games in round 4.
  • 2/2 = 1 game as the final championship.

Count the number of times you divide by two and we have five occurrences of this. So there five rounds overall.

To get the total number of games played, we add up the quotients

16+8+4+2+1 = 31

----------------

Or as a shortcut we can simply subtract off 1 since 1+2+4+...+2^n = 2^(n+1)-1

We can write that rule as

\displaystyle \sum_{k=1}^{n}2^k = 2^{n+1}-1

which is equivalent to

\displaystyle \sum_{k=1}^{n}2^{k-1} = 2^n-1

3 0
4 years ago
Exercise (SARI) 1. Ram is four years older than Shyam. The sum of their ages is 52 years, Find the present age of Shyam​
Evgesh-ka [11]

Step-by-step explanation:

ratio =4:1

total= 4+1 =5

1/5 × 52= 10.4 years

4 0
3 years ago
Read 2 more answers
Joe's Plumbing and Mark's Plumbing have different ways of charging their customers. The function defined by J(t)=45t represents
puteri [66]

Answer:

Joe's Plumbing charges more per hour ($45) than Mark's Plumbing (S40)

Step-by-step explanation:

Let

t ------> the number of hours

J(t) ---->the total amount in dollars that Joe's  Plumbing charges

M(t) ---->the total amount in dollars that Mark's  Plumbing charges

we know that

The linear equation in slope form is equal to

f(x)=mx+b

where

m is the slope or rate of the linear equation

b is the y-intercept (initial value)

In this problem we have

<em>Joe's  Plumbing</em>

J(t)=45t

The slope or rate is equal to

m=\$45\ per\ hour

b=\$0

Mark<em>'s  Plumbing</em>

M(t)=40t+25

The slope or rate is equal to

m=\$40\ per\ hour

b=\$25

therefore

Joe's Plumbing charges more per hour ($45) than Mark's Plumbing (S40)

4 0
3 years ago
Edafjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
Arturiano [62]

Answer:

fjjjjjjjjjjjjjj?

aefieoapowiejfie

8 0
3 years ago
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