3 years ago

In right triangle HJK, angle J is a right angle and tan angle H = 1. Which Statement about triangle HJK MUST BE TRUE

Mathematics

1 answer:

Anna [14]3 years ago

4 0

Tan angle h=1 i think '

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The number of defective components produced by a certain process in one day has a Poisson distribution with a mean of 20. Each d

liberstina [14]

Answer: 0.0516

Step-by-step explanation:

Given : The number of defective components produced by a certain process in one day has a Poisson distribution with a mean of $\lambda=20$ .

The probability mass function for Poisson distribution:- $P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}$

For x= 15 and $\lambda=20$ , we have

$P(X=x)=\dfrac{e^{-20}(20)^{15}}{15!}=0.0516488535318\approx0.0516$

Hence, the probability that exactly 15 defective components are produced in a particular day = 0.0516

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tatyana61 [14]

the statement is ambiguous, it must be written as (p ∧ q) ∨ r
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3 years ago

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Andre45 [30]

Answer:

6.1 seconds

Step-by-step explanation:

The correct question is

A helicopter flying at an altitude of 600 ft dropped a package to a lifeboat. Use the formula t= √h/4 to find how many seconds it takes for the package to reach the lifeboat. Round your answer to the nearest tenth of a second

we have

$t= \frac{\sqrt{h}}{4}$

substitute the value of h in the formula

$h=600\ ft$

$t= \frac{\sqrt{600}}{4}=6.1\ sec$

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3 years ago

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hodyreva [135]

The order is 1/6, 4/19, 1/2, 7/12, 7/12, and 2/3.

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3 years ago

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elena-s [515]

Answer:

$x=-\frac{1}{2} , 1, (2+\sqrt{3} ), (2-\sqrt{3} )$

Hope this helps!

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2 years ago