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2 years ago

If you have 24 square pieces of wood,describe all the different ways you could make a rectangle by placing them side by side?

Mathematics

1 answer:

natta225 [31]2 years ago

8 0

6×4 so 6 rows with 4 in each row or vice versa

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Of all the species in the world, 3 out of every 5 are insects. What percentage of species are insects?

Anni [7]

Answer:

perhaps 60%?

Step-by-step explanation:

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2 years ago

Many companies use a quality control technique called acceptance sampling to monitor incoming shipments of parts, raw materials,

blondinia [14]

Answer:

A. 0.9510

B. 0.0480

C. 0.0490

D. No, I would not feel comfortable accepting the shipment if one item was found defective, because the probability is quite small to obtain 1 or more defective items.

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3 years ago

How do you simplify this expression step by step?

nataly862011 [7]

$\bf \textit{Pythagorean Identities} \\\\ sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \cfrac{csc(\theta )-sin(\theta )}{cos(\theta )}\implies \cfrac{~~\frac{1}{sin(\theta )}-sin(\theta )~~}{cos(\theta )}\implies \cfrac{~~\frac{1-sin^2(\theta )}{sin(\theta )}~~}{cos(\theta )}$

$\bf \cfrac{1-sin^2(\theta )}{sin(\theta )}\cdot \cfrac{1}{cos(\theta )}\implies \cfrac{\stackrel{cos(\theta )}{\begin{matrix} cos^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}} }{sin(\theta )}\cdot \cfrac{1}{\begin{matrix} cos(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }\implies \cfrac{cos(\theta )}{sin(\theta )}\implies cot(\theta )$

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3 years ago

Read 2 more answers

What value of x makes this equation true? 7x -14=35

Anna35 [415]

Answer:

7x -14=35 add 14 on both sides

7x= 49 then, divide 7 on the whole equation

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3 years ago

Read 2 more answers

Help please ..........

olganol [36]

Answer:

7. combination; 25C6 = 177100

8. combination; 15C5 = 3003

Step-by-step explanation:

7. The order of the committee member selections is not important. (It would be if specific people filled specific positions on the committee.) Hence, the number is a number of combinations of 25 people taken 6 at a time.

8. The order of players is not important, as it might be if specific choices filled specific positions on the team. (The problem statement gives no indication that is the case. It is only by our knowledge of basketball teams that we entertain the possibility that order might be important.) Hence, the number is a number of combinations of 15 people taken 5 at a time.

_____

Of course, nCk = n!/(k!(n-k)!)

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3 years ago