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tia_tia [17]
3 years ago
13

Suppose cos(O) = 5/13, Quadrant I. Find sin(O). A:13/12 B:12/13 C:13/5 D:5/12

Mathematics
1 answer:
Ne4ueva [31]3 years ago
8 0

Answer:

B. 12/13.

Step-by-step explanation:

Using the identity sin^2 O + cos^2 O = 1:

sin^2 O = 1 - cos^2 O

sin^2 O = 1 - (5/13)^2

= 1 - 25/169

= 169/169 - 25/169

= 144/169

So sin O = √(144/169)

= 12/13.

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If a rectangle’s length and width are doubled, by what percentage does its area increase?
spayn [35]

Answer:

300%

Step-by-step explanation:

S = ab

S1 = 2a × 2b

S1 = 4ab

S1 = 400%ab

=>The area is increased by 300%

6 0
3 years ago
I need the answer please!!!!!!!<br><br><br><br> Solve: -2(x+4)-1=3(x-2)+4
spin [16.1K]

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7 0
3 years ago
What is the translation rule for this transformation?
Molodets [167]

9514 1404 393

Answer:

  (b)  T(x, y) -> (x-3, y-6)

Step-by-step explanation:

Each image point is 3 left and 6 down from the corresponding pre-image point. That is -3 is added to each x-value, and -6 is added to each y-value. That transformation is represented by ...

   T(x, y) ⇒ (x-3, y-6)

6 0
3 years ago
while catching fireflies you and a friend decide to have a competition after m minutes you have 3m + 13 fireflies and your frien
Maurinko [17]
Hi there, AirConditioning,

The equation we will be using is linear, and takes the form y = slope*x+b, where slope is equivalent to the fireflies caught each minute.

y=total fireflies caught

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Your Friend: ym+6

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You: 3
Your Friend: 4

3+4=7
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6 0
4 years ago
A train leaves Little​ Rock, Arkansas, and travels north at 70 kilometers per hour. Another train leaves at the same time and tr
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Time= d/s; 435/145= 3 hours
It would take 3 hours for the trains to be 435 kilometers apart
4 0
4 years ago
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