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tia_tia [17]
2 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]2 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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A rectangle has an area of 24 cm2 Function f gives the length of the rectangle, in centimeters, when the width is w cm. Determin
levacccp [35]

Answer:

Input is the value of w and the function f = 24/w as length x breadth = area of rectangle

If w = 0.5, then f = 24/0.5 = 48cm. So, it is a possible input of the function.

If w = 48, then f = 24/48 = 0.5cm. So, it is a possible input of the function.

If w = 0, then f = 24/0 = 0cm. So, it is not a possible input of the function as it cannot be defined

If w = -6, then f = 24/-6= -4cm. So, it is not a possible input of the function as a length and width can't be negative

If w = 3, then f = 24/3 = 8cm. So, it is a possible input of the function.

5 0
2 years ago
Read 2 more answers
If a=-1,b=-6 and c=2 then what is the value of b2-4ac?​
grandymaker [24]

Answer:

-4

Step-by-step explanation:

(-6)(2)-4(-1)(2)

(-12)-(-8)

-12+8=-4

4 0
3 years ago
Jeff uses 3 fifth-size strips to mode 3/5. He wants to use tenth-size strips to model an equivalent fraction. How many tenth-siz
galben [10]
Wouldn't it just be 6 tenth sized for 6/10
4 0
3 years ago
2x^3 + 3x^2 -11x -6 divided by x - 2
Gnesinka [82]

p(x)= x-2

g(x)= 2x^3 + 3x^2 - 11x - 6

first we have to find the zero of the polynomial of x-2

p(x)= x-2 = 0

         x=2

therefore,

p(x)= 2x^3 + 3x^2 - 11x - 6

p(2)= 2*2^3 + 3*2^2 - 11*2 - 6

      = 2*8 + 3*4 - 11*2 - 6

      = 16 + 12 - 22 - 6

      = 28-28

     = 0

Hope it helped u, ^_^.

3 0
3 years ago
How many dimensions exists in the universe?<br>A) 3<br>B) 5<br>C) 11<br>D) 10
nalin [4]
Your answer is 10
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</span><span>2. Height
</span><span>3. Depth
</span><span>4. Time
</span><span>5. Possible Worlds
</span><span>6. A Plane of All Possible Worlds With the Same Start Conditions
</span><span>7. A Plane of All Possible Worlds With Different Start Conditions
</span><span>8. A Plane of All Possible Worlds, Each With Different Start Conditions, Each Branching Out Infinitely
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</span><span>10. Infinite Possibilities</span>
5 0
3 years ago
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