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krek1111 [17]
3 years ago
13

I need help with part b and c pretty p please show your work so I can do this

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0
It is black just letting u know
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Angle θ lies in the second quadrant, and sin θ = 3/5.<br> cos θ = <br><br> tan θ =
storchak [24]

Answer:


cos\Theta =\frac{4}{5}



tan\Theta =\frac{3}{4}


Step-by-step explanation:

Given : sin θ = 3/5

To Find : value of cos θ and tan θ

Solution :

use the identity:


sin^{2}\Theta +cos^{2}\Theta =1


putting value of sin θ


⇒ (\frac{3}{5})^{2} + cos^{2}\Theta =1


⇒\frac{9}{25} +cos^{2}\Theta =1


⇒cos^{2}\Theta = 1-\frac{9}{25}


⇒cos^{2}\Theta = \frac{16}{25}


⇒cos\Theta = \sqrt{\frac{16}{25}}


⇒cos\Theta =\frac{4}{5}


Thus , cos\Theta =\frac{4}{5}

Now to find value of tan θ


Since we know that


⇒ tan\Theta =\frac{sin\Theta }{cos\Theta }   (identity)


⇒tan\Theta =\frac{\frac{3}{5} }{\frac{4}{5} }


⇒tan\Theta =\frac{3}{5}\div \frac{4}{5}


⇒tan\Theta =\frac{3}{5}\times  \frac{5}{4}


⇒tan\Theta =\frac{3}{4}


Thus , the value of


tan\Theta =\frac{3}{4}


cos\Theta =\frac{4}{5}



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3 years ago
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What's the area of a circle with radius 18 units?
navik [9.2K]

option D is the answer.!!!!

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3 years ago
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A pharmacist is filling small empty bottles with cough syrup from a larger bottle. He can solve the inequality
goldfiish [28.3K]

If a pharmacist is filling small empty bottles with cough syrup from a larger bottle. The statement that  describes the number of small bottles the pharmacist can fill is: A. The pharmacist can fill 30 bottles or fewer.

<h3>Number of small bottles the pharmacist can fill</h3>

Given:

inequality=1,000-25x ≥250

Let x represent the number of small bottles

Hence:

1,000-25x ≥250

Collect like terms

1,000-250 ≥25x

750 ≥25x

Divide both side by 25x

x=750/25

x=≤30 bottles or fewer


Therefore If a pharmacist is filling small empty bottles with cough syrup from a larger bottle. The statement that  describes the number of small bottles the pharmacist can fill is: A. The pharmacist can fill 30 bottles or fewer.

Learn more about Number of small bottles the pharmacist can fill here:brainly.com/question/24246068

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4 0
2 years ago
Determine of 10% of 300.<br><br> using a double number line
Sphinxa [80]

Answer:

100%     -     300

------------------------

10%      -      x

100x=300*10\\100x=3000\\x=\frac{3000}{100}\\x=30

6 0
3 years ago
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How would you describe the slice that created the rectangular
baherus [9]

Answer:

parallel to the base

Step-by-step explanation:

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