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egoroff_w [7]
2 years ago
9

There are 10 teams in a basketball competition. Each team must play each of the other teams once. How many games will each team

play? (A) 14 (B) 9 (C) 70 (D) 63​
Mathematics
2 answers:
larisa [96]2 years ago
4 0

Two teams can be selected out of 10 teams in C(10,2) = 10!/8! 2! = 45 ways

=> If each team plays exactly 3 matches with each other team, number of matches will be 45 x 3 = 135.

:-)

KIM [24]2 years ago
4 0

Answer:

  • (B) 9

Step-by-step explanation:

Number of teams = 10

Each team play each of the other 9 teams once.

Correct choice is B

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So when one goes up, the other goes down. This is an inverse equation.

An inverse equation looks like this: y = 1/x

In this case, when parking fee (f) decreases, cars (c) increase.
You know which side to put each variable on using the chart they gave you.
f         | c
20.00  15        (20.00 = x/15) x=300
30.00  10        (30.00 = x/10) x=300

So your equation in this case is f = 300/c
Knowing that, plug in the fee of 6.00

6 = 300/c   Multiply both sides by c.
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5 0
3 years ago
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Goryan [66]

Answer:

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3 0
3 years ago
3x−12≥15<br><br> 2x−5≤9<br><br> 5x+8≤53<br><br> 3x−5≥16
zalisa [80]

Answer:

Step-by-step explanation:

A) 3x−12≥15

3x ≥ 15 + 12

3x ≥ 27

or x≥ 9

B) 2x−5≤9

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or x ≤ 7

C) 5x+8≤53

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8 0
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What is a 36% markup to $150 dallors
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Answer:

Markup amount: $54

New price with markup: $204

Step-by-step explanation:

36% markup to $150

We can find the amount of markup by finding 36% of 150.

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Write 36% as a decimal and multiply it by the price

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The amount of markup (36%) is equal to $54

When this is added to the original price, the new price is $150 + $54 = $204

Let me know if you have any questions!

7 0
3 years ago
In a science test Jamie solved 42 correct and 18 incorrect answers what is the percentage of correct questions
Mkey [24]
The percentage is 2.3
6 0
4 years ago
Read 2 more answers
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