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Bumek [7]
3 years ago
15

The statement tan theta -12/5, csc theta -13/5, and the terminal point determined by theta is in quadrant 2."​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
6 0

Answer:

Answer C:

Cannot be true because csc(\theta)  is greater than zero in quadrant 2.

Step-by-step explanation:

When the csc of an angle is negative, since the cosecant function is defined as:

csc(\theta)=\frac{1}{sin(\theta)}

that means that the sin of the angle must be negative, and such cannot happen in the second quadrant. The sine function is positive in the first and second quadrant.

Therefore, the correct answer is:

Cannot be true because  csc(\theta)  is greater than zero in quadrant 2.

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F(x)= 9-x^2, x ≥ 0. f^-1(x)=??
julia-pushkina [17]
y=9-x^{2},\ x\ge0

Reverse x and y:
x=9-y^{2},\ y\ge0
Solve for y:
x=9-y^{2}
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7 0
3 years ago
Please help
lubasha [3.4K]

Let us check series : -10 /-2 = 5 -50/-10 = 5

so it is a geometric series with a= -2 and r= 5

sum formula for n terms of geometric series = a ( r^n -1 ) /( r-1)

here we find S5 that is n= 5 = -2 ( 5^ 5 - 1) /( 5-1)

= -2 ( 3125 -1) / 4 = -1562

second series is : 1.5/1 = 1.5 2.25/1.5 = 1.5

this is also geometric series but n = 12 a= 1 and r= 1.5

we use same formula

S12 = 1 ( (1.5) ^12 -1) /( 1.5-1) =

128.74 / 0.5 = 257.49

Last is 2/1= 2 4/2 = 2 8/4 = 2 so r = 2 a = 1 and n = 12

we use same formula 1 ( 2^12 - 1) / (2-1)

= 4095

Answers : -1562 , 257.49 , 4095

8 0
3 years ago
Read 2 more answers
Brian and Mark are fishing. They both catch a fish. Brian's fish weighs 17 pounds less than Mark's fish. Mark's fish weighs 22 p
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Answer:

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Step-by-step explanation:

22 - 17 = 5

6 0
3 years ago
Sharif likes exersicing.He goes hill-climbing every 12 days anf goes swimming every 8 days.If je goes hill-climbing and swimming
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This is a lowest common multiple question.
to find the lowest common multiple, you need to find the prime factors of the two numbers:
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12 = 2 , 2 , 3
Take out duplicates:
2,2,2,3
and multiply them together:
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and that is your answer.
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5 0
3 years ago
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Solve for x :<br> 6x=36
pogonyaev

Answer:

6

Step-by-step explanation:

6 multiplied by 6 is 36.

5 0
3 years ago
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