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cupoosta [38]
3 years ago
13

Plz Help

Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

it is 59


Step-by-step explanation:


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Evaluate tan(Sin-1(-5/13)). Answer as a fraction please.
dangina [55]

Using pythagorean identities,tan(sin^-1(-5/13))= tan(arcsin(-5/13))

Let A = arcsin(-5/13) = -arcsin(5/13)

Thus, sin A = -5/13 and cos A = sqrt(1 - (5/13)^2) = 12/13.= tan(A)= sin(A) / cos(A)= -5/13 / (12/13)= -5/12


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

3 0
3 years ago
Which of the following statements are true of the graph of the function f(x)=(x+5)(x-3)?
musickatia [10]
You can use a calculator for this if you have the graphing kind (I use a Ti-84) and when plugging the equation in, the answers should be b, d, and e 
7 0
3 years ago
7TH GRADE MATH! PLEASE HELP BRAINLIEST ANSWER!
Harlamova29_29 [7]
<span>If y varies directly with x, the formula of the equation is y=ax, where a is a constant.
y=ax
(21)=a(7)
a=3
y=ax
y=(3)(-1.66)
y=-4.98, x=-1.66

If y varies inversely with x, the formula of the equation is y=a/x, where a is a constant
y=a/x
9=a/2.5
a=22.5
y=22.5/x
y=22.5/-0.6
y=-37.5

I hope this helped! =)
I hope you didn't mind but I got this from a website called: answers.yahoo.com but I got your answer.
</span>
3 0
3 years ago
Read 2 more answers
Pls pls help!!!!!!!!!!
netineya [11]

9514 1404 393

Answer:

  5

Step-by-step explanation:

Let f represent the number of friends. Their total earnings are ...

  21f = 105

  f = 105/21 = 5 . . . . . divide by the coefficient of f

There are 5 friends in the group.

5 0
3 years ago
2 things wrong with the questionnaire? And..
lbvjy [14]
Doesn't ask what kind of cd's and what age it was aimed at
3 0
3 years ago
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