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skad [1K]
3 years ago
8

HELP ME PLZ !!! The first one who answers gets brainliest

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
5 0
Believe the answer is the second one, 7
elena-14-01-66 [18.8K]3 years ago
5 0
Ans: NONE

Hope this can help.

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Help! Given that tanθ=-1, what is the value of secθ, for 3π/2<θ<2π?
user100 [1]

Answer:  Choice B)  \sqrt{2}

Work Shown:

\sec^2(\theta) = \tan^2(\theta) + 1\\\\\sec^2(\theta) = (\tan(\theta))^2 + 1\\\\\sec^2(\theta) = (-1)^2 + 1\\\\\sec^2(\theta) = 2\\\\\sec(\theta) = \sqrt{2}\\\\

Note: secant is positive in quadrant Q4, when theta is between 3pi/2 radians and 2pi radians (270 degrees and 360 degrees). So that's why we don't consider the minus form of the plus minus.

5 0
2 years ago
According to records from the last 50 years, there is a 2/3 chance of June temperatures being above 80 F. Azul needs to find the
umka21 [38]
I think the answer is 52% because I got it correct on i-Ready. I really hope this helps because I hate that when you fail you have to redo a lesson. 

Have a great day and let me know if this is the right answer. 
6 0
3 years ago
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Find the product or type<br> "impossible"<br> [6 ]I-1<br> 1 11<br> (-5<br> -5 3
ValentinkaMS [17]

Answer:

"impossible"

Step-by-step explanation:

I think.  :/

4 0
3 years ago
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First to answer correctly gets brainliest
Nitella [24]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
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A recent survey of 1090 U.S. adults selected at random showed that 623 consider the occupation of firefighter to have very great
REY [17]

Answer:

0.572

Step-by-step explanation:

From the question,

We have

n = 1090 of US adults

x = 623 selected from this population at random who consider the occupation to be one of great prestige

So we have that

The probability of X = x/n

= 623/1090

= 0.572

We conclude that 0.572 is the probability that a US adult selected at random thinks the occupation has great prestige.

7 0
3 years ago
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