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3 years ago

In how many ways can you arrange six trophies on a shelf?

Mathematics

1 answer:

melisa1 [442]3 years ago

7 0

Answer:

720 ways

Step-by-step explanation:

Assuming order doesn't matter, there are $6!=6*5*4*3*2*1=720$ ways to arrange six trophies on a shelf.

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You are swimming each 25 yard length of a swimming pool 3 seconds faster than your personal best. What integer represents your c

stealth61 [152]

To solve this problem you must apply the proccedure shown below:

1- The problem says that you are swimming each 25 yard length 3 seconds faster than your personal best and you have to calculate the change in time (which you can call $x$ ) of your personal best after 200 yards.

2- To calculate this, you must multiply 200 yards by 3 seconds and divide by 25 yards, as following:

$x=\frac{(200yd)(3s)}{25 yd}=24s$

Therefore, the answer is: 24 seconds.

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3 years ago

Ethan wants to put a fence around his vegetable garden. The garden is 30 feet wide and 15 feet long. If the total cost of the fe

OverLord2011 [107]

If the garden is square, then the perimeter would be 90. 15(2)+30(2)=90
810/90=9
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3 years ago

Brainliest

Oduvanchick [21]

Answer:

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Step-by-step explanation:

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2 years ago

There are 850 Douglas fir and Ponderosa pine trees in a section of forest bought by Karamazov Logging Co. The company paid an av

ki77a [65]

Answer:

350 Douglas fir, 500 Ponderosa pine

Step-by-step explanation:

Let f = the number of fir trees

and p = the number of pine trees.

Then, we have two conditions:

(1) f + p = 850

(2) 300f + 225p = 217 500

(3) p = 850 -f Subtracted f from each side of (1)

(4) 300f + 225(850 - f) = 217 500 Substituted (3) into (3)

300f + 191 250 - 225f = 217 500 Distributed 225

75f + 191 250 = 217 500 Distributed the 7

75f = 26 250 Subtracted 191 250 each side

(5) f = 350

350 + p = 850 Substituted (5) into (1)

p = 500 Subtracted 350 from each side

The company bought 350 fir trees and 500 pine trees.

Check:

(1) 350 + 500 = 850 (2) 300 × 350 + 225 × 500 = 217 500

850 = 850 105 000 + 112 500 = 217 500

217 500 = 217 500

OK.

8 0

3 years ago

What the slope formula represents

Anna [14]

The slope formula is y=mx+b. Y is a variable. m is the actual slope. It tells you how much the x will move. For example, if a slope was 2x, x would move up 2 and over 1. If the slope was 1/2 x, x would move up 1 and over 2. A way to remember slope is rise over run. X is a variable. B is a point on the y-intercept that is will the line will start. An example is y=x+3. The y-intercept is 3 and x would move up one and over one.

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3 years ago

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