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eimsori [14]
3 years ago
6

There are 12 participants running in a 110m hurdles race. How many ways are there to award a gold, silver, and bronze medal?

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

220 ways

Step-by-step explanation:

The order matters because there's going to be a first, second, and third place.

So, 12P3=12!/(12-3)!*3!=12!/9!*3!=12*11*10*9!/9!*3!=12*11*10/6=220

Therefore, 220 ways

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When you measure an angle you usually have to choose between two numbers because
Snezhnost [94]

Answer:

B= 25°

A=138° /139°

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4 0
2 years ago
The average amount of time it takes Greg to mow x lawns can be defined by the expression 28x + 5. In this scenario, what does th
inna [77]

Answer:

the answer is 140 hope this helped

6 0
3 years ago
Which letter will correspond to the location of the following points when plotted on the number line below?
Alinara [238K]

Answer:

A, E, B, D, C

Step-by-step explanation:

1) 6 is A

2) √83 = 9.11, so it is E

3) √40 = 6.3, so it is B

4) √64 = 8, so it is D

5) 7.5 is C

5 0
2 years ago
The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle
Dovator [93]

Answer:

243 in²

Step-by-step explanation:

Step 1. Calculate the<em> base and height </em>of the rectangle

We have two conditions:

(1)   2b+ 2h = 72 in

(2)           b = 3h               Substitute in (1)

2(3h) + 2h = 72               Remove parentheses

   6h + 2h = 72               Combine like terms

           8h = 72               Divide by 6

             h = 9 in             Substitute in(2)

             b = 3 × 9

             b = 27 in

Step 2. Calculate the area of the rectangle

A = bh

A = 27 × 9

A = 243 in²

The area of the rectangle is 243 in².

7 0
3 years ago
A local hamburger shop sold a combined total of 685 hamburgers and cheeseburgers on Wednesday. There were 65 fewer cheeseburgers
noname [10]

Answer:

620

Step-by-step explanation:

I might be wrong.

But based on the question both burgers are sold on a Wednesday so the question is asking how many cheeseburgers were sold on a Wednesday (which is the same day they both were sold) so I think you subtract.

so 685-65.

8 0
3 years ago
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