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Serggg [28]
3 years ago
10

Simplify {(1/3)^-2 -(1/2)^-2 } / (1/4)^-2

Mathematics
1 answer:
Mumz [18]3 years ago
6 0

Answer: 209/16 = 13.06250

Step-by-step explanation: hope it helps

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A new field has a perimeter of 220 m and a width of 62 m. A bag of canola seed will cover 185 m2 of ground. How many bags of can
siniylev [52]

Answer:

17

Step-by-step explanation:

Assuming the field is a rectangle, the perimeter is found through the equation:

P = 2l + 2w

Since we know the perimeter and width, we can substitute and solve for the length.

(220) = 2l + 2(62)\\220 = 2l + 124\\96 = 2l\\l = 48\\

Using the length and width, we can find the area.

A = lw\\A = (48)(62)\\A = 2976

The area is 2976 squared meters. We divide by the area a bag of canola seed can cover and round up if necessary to find the total number of bags.

n = 2976 / 185\\n = 16.09

Because we need a whole bag in order to cover for the decimal area, we round up to 17 bags.

7 0
3 years ago
To rent a boat, you pay for an initial fee plus. John rented a boat for 3 hours and paid $41. Jessica rented a boat for 6 hours
8090 [49]

Answer:

The intial fee is $5

The equation to represent this is: y=12x+5

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Step-by-step explanation:

77-41=36

36/3=12

12*6=72

77-72=5

6 0
3 years ago
Which domain restrictions apply to the rational expression?
Anton [14]

It can either be the negative sign of the number by the x so it should either be 2 or -

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How do you sketch the graph of y=(x 3)^2 6 and describe the transformation?
mr_godi [17]
This graph is a Quadratic Graph meaning it is a "U" shape. I am unable to help with the transformations since I am unaware of the signs in the problem. But I hope I helped
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3 years ago
A. 55<br> b. 70<br> c. 110<br> d. 125
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Answer:

b

Step-by-step explanation:

7 0
2 years ago
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