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Verdich [7]
3 years ago
6

Will mark brainiest! !!50 Points!! The first question since it got cut off is : (A) is the sequence arithmetic, geometric, or ne

ither? How do you know?​​

Mathematics
2 answers:
blagie [28]3 years ago
8 0

Answer:

Geometric

Step-by-step explanation:

AURORKA [14]3 years ago
4 0

Answer:

Geometric, 81, 3

Step-by-step explanation:

A geometric sequence is defined as one that continues with multiplication.

We can tell that the sequence proceeds by multiplying 1/3.

a2 is 81 because it is the second term given in the sequence.

a5 is 3 because it equals a4 *1/3, which is 9*1/3 which is 3

<em>I hope this helps! :)</em>

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Please Help Me
ludmilkaskok [199]

Given:

The point (9,-12) is on terminal side of angle theta in standard position.

To find:

The exact value of each of the six trigonometric functions of theta.

Solution:

The given point is (9,-12). Here, x-coordinate is positive and y-coordinate is negative. So, the point lies in 4th quadrant and only cos and sec are positive in 4th quadrant.

We know that,

r=\sqrt{x^2+y^2}

r=\sqrt{9^2+(-12)^2}

r=\sqrt{81+144}

r=\sqrt{225}

r=15

Now,

\sin \theta=\dfrac{y}{r}=\dfrac{-12}{15}=-\dfrac{4}{5}

\cos \theta=\dfrac{x}{r}=\dfrac{9}{15}=\dfrac{3}{5}

\tan \theta=\dfrac{y}{x}=\dfrac{-12}{9}=-\dfrac{4}{3}

\cot \theta=\dfrac{1}{\tan \theta}=-\dfrac{3}{4}

\text{cosec} \theta=\dfrac{1}{\sin \theta}=-\dfrac{5}{4}

\sec \theta=\dfrac{1}{\cos \theta}=\dfrac{5}{3}

Therefore, the values of six trigonometric functions of theta are \sin \theta=-\dfrac{4}{5},\cos \theta=\dfrac{3}{5},\tan \theta=-\dfrac{4}{3},\cot \theta=-\dfrac{3}{4},\text{cosec} \theta=-\dfrac{5}{4},\sec \theta=\dfrac{5}{3}.

6 0
4 years ago
Clara pays $76 for 8 guitar lessons. How much would 10 guitar lessons cost? Enter your answer in the box.
WARRIOR [948]
You would divide 76 by 8. That would give you 9.5. Then you multiply by 10 and that gives you 95. Hope this helps (;
5 0
4 years ago
Explain the meaning of the negative slope in the situation
Vinil7 [7]

 A line with a negative slope is a line that is trending downward from left to right. In other words, the line's rise to run ratio is a negative value. Negative slope line. In this image, the car is driving down a hill that has a negative slope.

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4 years ago
A plumber charges a flat fee of $30 to come to the house then $18 per hour. Write an equation that shows how to determine the to
konstantin123 [22]

Answer:

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Step-by-step explanation:this should be it

5 0
4 years ago
PLS HELP!!! link attached &lt;333 will mark brainliest.
abruzzese [7]

Answer:

21 t-shirts, 13 sweatshirts is the answer

7 0
3 years ago
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