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stealth61 [152]
3 years ago
14

In forming a confidence interval for μ1 - μ2, only two assumptions are required: independent samples and sample sizes of at leas

t 30.
a. True
b. False
Mathematics
1 answer:
AysviL [449]3 years ago
6 0
I’m not sure but I guess it’s false
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A right triangle has side lengths a, b, and c as shown below.
Musya8 [376]

Answer:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

Step-by-step explanation:

Given that

A right triangle has side lengths a, b, and c

Because you did not attached photo of the right triangle so I will assume that:

  • Side a is the adjacent (A)
  • Side b is the opposite (O)
  • Side c is the hypotenuse (H)

(Please have a look at the attached photo)

To solve for the trigonometric functions of x, we need to recall the ratios they represent as shown below.

\sin x = \frac{O}{H}\\\cos x = \frac{A}{H}\\\tan x = \frac{O}{A}

EX: the sine of x is equal to the side opposite of angle x over the hypotenuse. Hence, we have the expressions of the trigonometric functions as shown below:

\bold{\sin x = \frac{b}{c}}\bold{\\\cos x = \frac{a}{c}}\bold{\\\tan x = \frac{b}{a}}

Hope it will find you well

4 0
3 years ago
7/20+(-11/12)<br><br> I I had 77/220 and that was wrong. I cant figure this out.
motikmotik
The answer you put is wrong. It should be:

-17/30
3 0
3 years ago
Read 2 more answers
Find the Quadrant in which csc x&lt; 0 and tan x &gt; 0
Zinaida [17]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

( − 9 , − 7 )

(-4,7)

(1,3)

6 0
3 years ago
Which point lies on both y = 5x – 3 and y=-4x+6?
dmitriy555 [2]
Its A (1,2) yo you should look for a graphing calculator it helps alot all you need is to put that exact equation in and it graphs for you
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Question and answer in pic
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It would take 30 movies that you would have to rent before the membership becomes the cheaper option.
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