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lesya [120]
3 years ago
14

Which of the following cannot be solved using nPr?

Mathematics
1 answer:
likoan [24]3 years ago
6 0

Answer:

permutations of the letters of the word "PERMUTATION"

Step-by-step explanation:

Thats cause the word has two t's and some permutations are going to be the same, you have to substract some to get the actual answer.

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The sixth grade art students are making a mosaic using tiles in shapes of right triangles. Each tiles has the leg measures of 5.
Drupady [299]

Given:

Each right triangular tiles has the leg measures of 5.2 cm and 6 cm.

There are 150 tiles in the mosaic.

To find:

The area of the mosaic.

Solution:

We know that, the area of a triangle is:

A=\dfrac{1}{2}\times Base\times height

So, the area of Each right triangular tile is:

A=\dfrac{1}{2}\times 5.2\times 6

A=\dfrac{1}{2}\times 31.2

A=15.6

There are 150 tiles in the mosaic. So, the area of the mosaic is:

Area=15.6\times 150

Area=2340

Therefore, the total area of the mosaic is 2340 cm ².

5 0
3 years ago
Solve each system by elimination.<br> 10x-6y=-8<br> -10x+6y=8
Step2247 [10]

Answer:

Infinitely Many Solutions

Step-by-step explanation:

10x-6y=-8\\-10x+6y=8\\\0 = 0\\

4 0
2 years ago
Dave is moving to a new house
aev [14]

The answer is 3.4, you need to subtract 1.6 from 5.

3 0
3 years ago
Erin is taking part in a play at the community theater. The cast and crew ordered T-shirts for all the volunteers. The cost of a
kumpel [21]
Well what you would do is you would first subtract 45 from 325 (325-45) and that would become 280. Then you would divide that number by 8 (the cost of the T-shirt)(280/8) and then your answer would be 35. So the maximum number of T-shirts she will be able to buy is 38. Hope this will help you!
8 0
3 years ago
Read 2 more answers
3g-9+11g-21 simlify the expression
oksano4ka [1.4K]
Collect like terms
3g+11g-9-21
Add the like terms up
14g-30
if u have to simplify further, u have
2(7g-15)
6 0
3 years ago
Read 2 more answers
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