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White raven [17]
3 years ago
11

Easy math question, many points!

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0

Answer:

The picture isnt loading......

Step-by-step explanation:

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Kristine buys a 4-ounce bar of baking chocolate for 3.76. What is the unit price per ounce?
mart [117]

Sorry took so long doing homework at the same time! lol

ok so, all you have to do is divide 3.76 by 4 to get unit $:

3.76/4= $0.94

Hope this helps!! :)

3 0
3 years ago
A particular curve is represented parametrically by x=cost, y=−sint, t∈[0,2π]. (a) As t increases on [0,2π], in which direction
cestrela7 [59]

Answer:

a) clockwise sense

b)  x² + y² = 1

c) y ∈ [0,1]

Step-by-step explanation:

a) x = cos (t)       y = -sin (t)

for t ∈ [ 0 , 2π ]

for t = 0   point  P  is    x = cos (0)   =  1   y = -sin (0)   y = 0

The point is on the x axis

Now let´s see what happens for t = π/4  

x = cos (π/4)    x = √2/2    and   y = - sin (π/4)    y = - √2/2

Note  π/4 is 45°

The coordinates of the new point P ´(t = π/4) are in the fourth quadrant

that means the point is moving clockwise sense.

b) x = cos(t)

   y = -sin(t)

Squaring on both sides of each equation we get:

x²  = cos²t

y²  = sin²(t)

Adding side by side

x²  +  y² = cos²t  + sin²t

x²  +  y² = 1

Values for y are    y  ( 0 , 1)

8 0
3 years ago
Has a center at (2,-1) and contains the point (4,5)
satela [25.4K]

Answer:

(x-2)2+(y+1)2=40.

Step-by-step explanation:

Find the Circle Through (4,5) with Center (2,-1.)

Hope this helped.

-Shi

3 0
3 years ago
A rectangular prism has a length of 112 meters, a width of 3 meters, and a height of 512 meters.
Svetlanka [38]
The correct answr is 24 3/4 just took the test
7 0
4 years ago
Read 2 more answers
Samantha is preheating her oven before using it to bake. The initial temperature of the oven is 70° and the temperature will inc
spin [16.1K]

The answer is 410°

You have to multiply 17x20 and then add 70 because that’s the initial temp.

5 0
3 years ago
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