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lutik1710 [3]
3 years ago
11

11. A tournament has 12 hockey teams participating. Find the number of different ways that teams can win gold, silver, and bronz

e trophies.
Mathematics
1 answer:
lara [203]3 years ago
8 0
Since order is important...

12!/(12-3)!=1320

or if you prefer

12*11*10=1320
You might be interested in
A company plans to enclose three parallel rectangular areas for sorting returned goods. The three areas are within one large rec
Svetlanka [38]

Answer:

The largest total area that can be enclosed will be a square of length 272 yards.

Step-by-step explanation:

First we get the perimeter of the large rectangular enclosure.

Perimeter of a rectangle =2(l + w)

Perimeter of the large rectangular enclosure= 1088 yard

Therefore:

2(L+W)=1088

The region inside the fence is the area

Area: A = LW

We need to solve the perimeter formula for either the length or width.

2L+ 2W= 1088 yd

2W= 1088– 2L

W = \frac{1088-2L}{2}

W = 544–L

Now substitute W = 544–L into the area formula

A = LW

A = L(544 – L)

A = 544L–L²

Since A is a quadratic expression, we re-write the expression with the exponents in descending order.

A = –L²+544L

Next, we look for the value of the x coordinate

L= -\frac{b}{2a}

L= -\frac{544}{2X-1}

L=272 yards

Plugging L=272 yards into the calculation for area:

A = –L²+544L

A(272)=-272²+544(272)

=73984 square yards

Thus the largest area that could be encompassed would be a square where each side has a length of 272 yards and a width of:

W = 544 – L

= 544 – 272

= 272 yards

7 0
3 years ago
How much is the tree worth?
noname [10]

Answer:

8

Step-by-step explanation:

Deer = snow flake = 4

4 + 4 + 4 = 12

Dear - 3 = 1

Snowman = 1

Tree = 8

8 + 1 (snowman) + 8 = 17

8 0
3 years ago
Driving to your friend's house, you travel at an average rate of 35 miles per hour. On your way home, you travel at an average r
kenny6666 [7]

<u><em>Answer:</em></u>

14 miles

<u><em>Explanation:</em></u>

<u>The relation that will be used to solve this problem is:</u>

Distance = Velocity*Time

<u>which can be rewritten as:</u>

Time = \frac{Distance}{Velocity}

<u>Assume that:</u>

Distance from your house to your friend's house is d

Time taken from your house to your friend's house is t₁

Time taken from your friends house to your house is t₂

<u>1- From your house to your friend's house:</u>

Average rate = 35 miles/hour

<u>Therefore:</u>

t_{1} = \frac{d}{35}

<u>2- From your friend's house to your house:</u>

Average rate = 40 miles per hour

<u>Therefore:</u>

t_{2} = \frac{d}{40}

<u>3- Round trip:</u>

We know that the round trip took 45 minutes which is equivalent to 0.75 hours

<u>This means that:</u>

t₁ + t₂ = 0.75 hours

\frac{d}{35}+\frac{d}{40}=0.75\\ \\\frac{40d + 35d}{1400}=0.75\\  \\\frac{75d}{1400}=0.75\\  \\ 1050 = 75d\\ d=14 miles

Hope this helps :)

3 0
4 years ago
Please help and give right answers please!
trasher [3.6K]

Answer:

7

Step-by-step explanation:

x * x = 7x

7 x 7 = 7 x 7

49 = 49

so if x is 7, the equation is true...

3 0
3 years ago
Find the value of k if ab is perpendicular to bc
mario62 [17]

Answer:

20 I THINK IT IS SINCE just start A Little

5 0
3 years ago
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