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IRINA_888 [86]
3 years ago
9

by can buy an 8-pound bag of dog food for $ 7.40 or a 4-pound bag of the same dog food for $ 5.38 which ones better 2 buy 

Mathematics
2 answers:
Nostrana [21]3 years ago
8 0
$7.40/8 = $0.925 per pound.
$5.38/4 = $1.345 per pound.
1.345 > 0.925, so it's better to buy the 8 pound bag rather than the 4 pound bag.
Varvara68 [4.7K]3 years ago
5 0
You should by the 8 pound bag because it has more for less.
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7 0
3 years ago
Bob sold 5 toaster ovens and 3 blenders for $500. if a blender is $20 less than a toaster oven, how much is a blender?
Harrizon [31]
The answer would be $50 per blender. 
To explain the way I did it --
Toaster ovens - 70 * 5 = 350
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7 0
3 years ago
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nalin [4]
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6 0
3 years ago
PLEASE HELP!!!! IM SOO CONFUSED
dangina [55]

Answer:

4. 480.38m² 6. 3.35

Step-by-step explanation:

Assuming you're looking for the area of the shaded region, you must first be aware that the entire circle has a 360 angle.

From there. for no. 4:

You subtract 87 from 360 to find the angle of the major arc.

360-87=273

From there you must also know the formula to find the area of a sector which is:

(x/360)×pi×r²

In our case 273 is x and 14.2 is r so

(273/360)×pi×14.2²= 480.38

Do the same steps to find 6

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