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blagie [28]
3 years ago
11

Q25. The floor of a hall is completely covered by 26 carpets, each

Mathematics
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

276m^{2} total area. 78m breadth.

Step-by-step explanation:

First, do 4 multiplied by 3 to find the area of one carpet. The answer is 12m. Then, do 12m multiplied by 23 to get the total area. The answer will be 276m squared. If you want to find width then do 3m multipled by 26 which is 78m.

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
Each salt shaker holds 1 1/4 ounces. If a box of salt contains 10 ounces, how many shakers will it fit
Alekssandra [29.7K]
8 shakers will fit  becuase 4 shakers equal 5 ounces and you multiply it by two and you get 10

3 0
4 years ago
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A gallery has 25 paintings in its permanent collection, with display space for 10 at one time. How many different collections ca
Anastaziya [24]
You need to know in how many ways you can choose 10 out of 25 items when order does not matter. This is a combination problem.

_{n}C_{r} =  \dfrac{n!}{(n - r)!r!}

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_{25}C_{10} =  \dfrac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18 \times 17 \times 16 \times 15!}{15! \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}

_{25}C_{10} =  \dfrac{25 \times 24 \times 23 \times 22 \times 21 
\times 20 \times 19 \times 18 \times 17 \times 16}{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 
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6 0
4 years ago
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Which of the following are equivalent to 104? Select all that apply.
solniwko [45]
104 is the answer to your problem
8 0
4 years ago
Multiply.
Kamila [148]
Expand the following:
(x - 6) (3 x^2 + 10 x - 1)
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 | | | | x | - | 6
 | | 3 x^2 | + | 10 x | - | 1
 | | | | -x | + | 6
 | | 10 x^2 | - | 60 x | + | 0
3 x^3 | - | 18 x^2 | + | 0 x | + | 0
3 x^3 | - | 8 x^2 | - | 61 x | + | 6:
Answer:  3 x^3 - 8 x^2 - 61 x + 6 Thus B:
7 0
3 years ago
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