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3 years ago

30 POINTS!!! I NEED HELLLPPPP!!

Mathematics

1 answer:

Andru [333]3 years ago

6 0

The correct answer is 5 cents. The coat of the bat is $1.05

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F(x) = 2x + 1

RUDIKE [14]

F=5+2=7 bye I want points

5 0

3 years ago

Six million and five thousandths

noname [10]

Answer:

6,000,000.005

Step-by-step explanation:

The correct answer in [standard form] is 6,500,000

one million= 1,000,000

six million= 6,000,000

one thousandth= .001

five thousandth= .005

6,000,000.005

Word Form: Six million and five thousandth

5 0

2 years ago

In a small chess tournament, 20 matches were played. Find out how many people were involved if it is known that each participant

Nina [5.8K]

Answer:

<em>5</em><em> players participated in the tournament.</em>

Step-by-step explanation:

In a small chess tournament, 20 matches were played.

Let us assume that n number of players participated in the tournament

As in each game 2 players play, so the number of ways they can play is,

$=\ ^nC_2$

As they played 2 games with every other participant in the tournament.

So the total number of games is,

$=\ 2\times ^nC_2$

But it is given to be 20, so

$\Rightarrow \ 2\times ^nC_2=20$

$\Rightarrow \ ^nC_2=10$

$\Rightarrow \dfrac{n!}{2!(n-2)!}=10$

$\Rightarrow \dfrac{n(n-1)}{2}=10$

$\Rightarrow {n(n-1)=20$

As $5\times 4=20$ , so we get n=5.

Therefore, 5 players participated in the tournament.

5 0

2 years ago

Read 2 more answers

Find FD if the building is 75 feet tall. Round your answer to the nearest tenth

atroni [7]

If you round 75 to the nearest tenth it would be 80

5 0

2 years ago

Read 2 more answers

Lana has 3 bags with the same amount of marbles in them, totaling 12 marbles. Markus has 3 bags with the same amount of marbles

Julli [10]

Answer:

Markus has 6 marbles in each bag.

Step-by-step explanation:

Markus has 18 marbles and 3 bags

If you divide 18 marbles by 3 bags that would be 6 marbles in each bag.

5 0

2 years ago