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worty [1.4K]
3 years ago
8

What is 2.85 to the nearest tenth?

Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0

You round it up to 2.9

Maru [420]3 years ago
6 0

The answer is 2.9. You would round up since there is a 5

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In a chess tournament, each player plays every other player exactly once. If it is known that 105 games were played, how many pl
diamong [38]

Answer:

15 players played in the chess tournament.

Step-by-step explanation:

When there are 15 players, the first player plays 14 games and step aside.

remaining 14 player

next player plays 13 games. steps aside

remaining 13 players

next player plays 12 games. steps aside

remaining 12 players

next player plays 11 games. steps aside

remaining 11 players

.

.

.

.

Last player plays 1 game and steps aside

remaining 1 player who will not play against himself.

∴ Sum of all games played

= 14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 105 games played

3 0
3 years ago
What is the value of b in the equation below? 9^-8 x 9^-2 = a^b
vfiekz [6]

Answer:

b= -10

Step-by-step explanation:

9^ -8  * 9^ -2

We know that a^b * a^c = a^ (b+c)

9^ (-8+-2)

9^ -10

We want it in the form a^b

a=9

b= -10

7 0
3 years ago
The histogram below shows the number of weeks Jimmy spent different amounts of money to fill the gas tank in his car. If the gra
sammy [17]

Answer:

A. The difference in the heights of the bars will not appear as great.

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
WHAT'S THE ERROR? A student says 3(n- 5) is equal to 3n - 5. What's<br>the error?​
inn [45]

Answer:

The student incorrectly used the Distributive property!

Step-by-step explanation:

The Distributive property says a(b+c)=ab+ac

In this problem the answer SHOULD be 3n-15, however the <u>student forgot to distribute the 3 to the -5</u>!

8 0
3 years ago
Read 2 more answers
PLEASE I NEED HELP
Brums [2.3K]

Answer:

9

Step-by-step explanation:

5 0
3 years ago
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