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melisa1 [442]
2 years ago
7

you bought a box of rasins for $4.49 and 1/2 lb. of nuts. The total cost was $7.13. How much did the nuts cost per pound?

Mathematics
1 answer:
andrew11 [14]2 years ago
6 0
$5.28

$7.13-$4.49= $2.64 for a half a pound of nuts. Multiple $2.64 by 2 to find the cost per pound
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1. Remember that the perimeter is the sum of the lengths of the sides of a figure.To solve this, we are going to use the distance formula: d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}
where
(x_{1},y_{1}) are the coordinates of the first point
(x_{2},y_{2}) are the coordinates of the second point
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We know form our graph that the coordinates of our first point, W, are (1,0) and the coordinates of the second point, Z, are (4,2). Using the distance formula:
d_{WZ}= \sqrt{(4-1)^2+(2-0)^2}
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d_{XY}= \sqrt{13}
d_{XW}= \sqrt{13}

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2. To solve this, we are going to use the arc length formula: s=r \alpha
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\alpha = \frac{8}{45} \pi

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3. A cross section is the shape you get when you make a cut thought a 3 dimensional figure. A rectangular cross section is a cross section in the shape of a rectangle. To get a rectangular cross section of a particular 3 dimensional figure, you need to cut  in an specific way. For example, a rectangular pyramid cut by a plane parallel to its base, will always give us a rectangular cross section. 
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6 0
2 years ago
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In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones replaces a golden statue with a bag of sand. The platfo
chubhunter [2.5K]

Answer:

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Note: I had to do the exact same problem on Khan Academy. This is right.

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The answer will be 863000. Hope it help!
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