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monitta
3 years ago
6

I really need help with this

Mathematics
2 answers:
motikmotik3 years ago
8 0
It's very simple if you do the math the exact answer would be -12/13
katen-ka-za [31]3 years ago
3 0
No problemo dude. So what do you know about sin θ·cot θ? Well, cot θ = cosθ/sinθ. Hence, the sin θ cancels out and what do you know? You are solving for cos θ. Now, you know that the quadrant is II (2). Hence, cos is also negative. So, tan θ = opp/adj = -(5/12). So, cos θ = adj/hyp which is just -12/13.  
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A recursive formula for the sequence 18,9,4.5,... is
dybincka [34]

Answer:

A1 = 18

A(n) = A (n-1) -2

Step-by-step explanation:

N represents the number in a sequence and the difference in the sequence is -2 since each time the number is listed in the sequence it is divide by 2.

3 0
2 years ago
Which point is on the graph of the equation y = 2 x - 5?
Aneli [31]

Answer:

4

Step-by-step explanation:

the correct answer is number 4

if X = 2 ==> 2x -5 = 2(2) -5 = 4 - 5 = -1

4 0
3 years ago
Read 2 more answers
Solve 7 ( x + 1 ) + 2 = 5x + 15
yawa3891 [41]

Answer:

x = 3

Step-by-step explanation:

7(x + 1) + 2 = 5x + 15

~Simplify left side

7x + 7 + 2 = 5x + 15

~Combine like terms

7x + 9 = 5x + 15

~Subtract 9 to both sides

7x = 5x + 6

~Subtract 5x to both sides

2x = 6

~Divide 2 to both sides

x = 3

Best of Luck!

5 0
3 years ago
Which ordered pair is a solution of the equation
alekssr [168]

Answer:

OPTION D: NEITHER

Step-by-step explanation:

The given equation is: 7x - 2y = - 5

To find a solution to this, we substitute the options and compare LHS and RHS.

OPTION A: (1, 5)

LHS = 7(1) - 2(5) = 7 - 10 = -3

RHS = - 5

LHS $ \ne $ RHS.

So, this option is eliminated.

OPTION B: (-1, 1)

LHS = 7(-1) - 2(1) = -7 - 2 = - 9

RHS = - 5

Again, LHS $ \ne $ RHS.

So, this Option is eliminated as well.

OPTION C: It says both A and B. Clearly, this is eliminated as well.

Therefore, the answer is: OPTION D: NEITHER.

NOTE: This is a two variable equation. So, we need a minimum of two equations to determine the solution. Since, only one equation is given here, we use the help of options.

8 0
3 years ago
HELPPP!!!! Will mark BRAINLIEST!!!!
Svetach [21]

Answer:

D

Step-by-step explanation:

gegehehehjwjwjwjwwk

8 0
2 years ago
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