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3 years ago

Cos/1+Sin = 1-Sin/Cos

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

6 0

Answer:

if you are asking for true or false it would be false

Step-by-step explanation:

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Be a detective and solve this case: There are 53 bicycles in a room, and a man is dead on the floor next to them. Why was the ma

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3 years ago

Can 5ft 9ft 14ft make a triangle?

ss7ja [257]

Answer:

Any dimensions can make a triangle, however

this does not make a right angled triangle.

Step-by-step explanation:

Determine the length of the hypotenuse of a right angle triangle with side lengths 5ft and 9ft by using the formula:

$a^2+b^2=c^2\\$

$\sqrt{a^2+b^2} = c$

$c=10.29$

This is not equal to 14ft.

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3 years ago

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Find the number that makes the 2 fractions equivalent 3/8=9/?

Lorico [155]

Answer:

Step-by-step explanation:

The numerator of the equivalent fraction of 3/8 is 9. From this, we can see that the common factor that is being multiplied is 3. So the denominator, 8, has to be multiplied by 3 as well which gives you 24. 9/24 is an equivalent fraction of 3/8

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3 years ago

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The probability that an American CEO can transact business in a foreign language is .20. Twelve American CEOs are chosen at rand

NNADVOKAT [17]

Answer with Step-by-step explanation:

We are given that

The probability that an American CEO can transact business in foreign language=0.20

The probability than an American CEO can not transact business in foreign language= $1-0.20=0.80$

Total number of American CEOs chosen=12

a. The probability that none can transact business in a foreign language= $12C_0(0.20)^0(0.80)^{12}$

Using binomial theorem $nC_r(1-p)^{n-r}p^r$

The probability that none can transact business in a foreign language= $\frac{12!}{0!(12-0)!}(0.8)^{12}=(0.8)^{12}$

b.The probability that at least two can transact business in a foreign language= $1-P(x=0)-p(x=1)=1-((0.8)^{12}+12C_1(0.8)^{11}(0.2))=1-((0.8)^{12}+12(0.8)^{11}}(0.2))$