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Michelle has 15 3/4 in a container. She uses 2 1/4 cups of flower to make a loaf of bread. How much flower does Michelle has left in the container?

15 3/4 - 2 1/4 =

63/4 - 9/4 =

54/4 = 13 1/2 - cups of FLOUR (not FLOWER!) left in the container.

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COS(X)= -0.75

X =138.59 degrees.

12 

42 is le answer

What is 3 1/3 (-3-2 1/10) + 4 3/4

3 1/3 (-3-2 1/10) + 4 3/4=

3 1/3(-5 1/10) + 4 3/4=

10/3(-51/10) + 19/4=

-510/30 + 19/4 =

-1020/60 + 285/60 =-735/60 =-49/4 = -12 1/4

(-a)*(-a)^3 = a^4

2 1/2-15/16

5/2 - 15/16 =

40/16 - 15/16=

25/16=1 9/16

If light travels at 1.86 × 105 miles per second, approximately how long would it take, in hours, for light originating from the Sun to reach the planet Neptune 2.81 × 109 miles away?

[2.81 x 10^9] / [1.86 x 10^5] =~15,107.52 seconds / 3,600 =~4.2 hours.

      -6a^4(7a^2-5a+5)= -42 a^6 + 30 a^5 - 30 a^4

You need to "isolate" the variable.

6.2 = x + 4.1

6.2 - 4.1 = x + 4.1 - 4.1 (Solve now)

2.1  = x

You have to use the "Law of Cosines" and the "Law of Sines". I think!.