3 years ago

I will give the brainiest to correct answer. Help, please

Mathematics

2 answers:

Misha Larkins [42]3 years ago

8 0

Took test and it came to be correct thanks good luck

evablogger [386]3 years ago

6 0

Equation: 4x + 4 = 9x + 11
Answer: -7/5

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Find the value of csc theta, if cos =-3/5; 90 degrees < theta < 180 degrees

Sloan [31]

Answer: $\frac{5}{4}$

Step-by-step explanation:

Given

$\cos \theta =\frac{-3}{5}$

and $\theta$ lies between

$90^{\circ}$

and for this $\theta$ , $\sin$ and $\text{cosec}$ is Positive as they lie in 2 nd Quadrant

$\sin ^2\theta +\cos ^2\theta =1$

$\sin ^2\theta =1-(\frac{-3}{5})^2$

$\sin ^2\theta =1-\frac{9}{25}$

$\sin ^2\theta =\frac{16}{25}$

$\sin \theta =\frac{4}{5}$

$\therefore \text{cosec}\ \theta =\frac{5}{4}$

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3 years ago

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Step-by-step explanation:

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3 years ago

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sertanlavr [38]

3x+25=90
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3x=65
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I hope this helps!

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3 years ago

Somebody please answer quick

Papessa [141]

The third one is the answer

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OlgaM077 [116]

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