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kirza4 [7]
2 years ago
15

Determine whether the relationship is an inverse variation or not. Explain.

Mathematics
1 answer:
kolbaska11 [484]2 years ago
8 0

Answer: The product xy is not constant, so the relationship is not an inverse variation.

Step-by-step explanation:

For it to be an inverse variation, the product of x and y must be constant.

  • For the first row, xy=2(424)=848.
  • For the second row, xy=3(280)=840.
  • For the third row, xy=4(210)=840.

This means <u>the product xy is not constant, so the relationship is not an inverse variation.</u>

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What is the area of the 50ft by 100ft yard?
mario62 [17]

Answer: 4410 ft^2

Step-by-step explanation:

To find the area of a square or rectangle, all you need to do is multiply the length times the width:

L × W = A

The lengh is 100, and the width is 50

100 × 50 = 5000

However, in this problem, we also have other shapes in the rectangle. To find the area of JUST the green, we need to subtract the areas of the two circles and small blue rectangle.

First, let's get the two circles over with. To find the area of a circle, use this formula:

A = πr^2      r is the radius, which in this case, is 6

A = π6^2

A = 113       This isn't the exact answer, the exact answer would be 113.0973...

Now let's multiply the area of one of those circles by 2, since we have 2 circles:

113 × 2 = 226

Finally, we have to find the area of the blue rectangle. This is simple, just use the formula from the very beginning:

26 × 14 = 364

The last thing to do is to subtract the areas of the two circles and blue rectangle from the area of the entire thing:

5000 - (226 + 364) = 4410 ft^2

4 0
3 years ago
Read 2 more answers
The sum of 16 and a number x is equal to 19
Vladimir79 [104]

Answer:

x = 3

Step-by-step explanation:

We can write the equation as 16 + x = 19

To solve we can work backwards, I know the opposite of adding is subracting... so 19 - 16 = 3 which means x is equal to 3.

Hope that helps and have a great day!

4 0
4 years ago
Read 2 more answers
Solve the equation (39+5=5a=9)<br>​
trapecia [35]

Answer:

EVALUATE

false

Step-by-step explanation:

Complex number

(39+5=5a=9)

3 0
2 years ago
In the function
Gala2k [10]

Answer:

A.  It reflects the graph across the x-axis.

Step-by-step explanation:

See the attachment.  Each vale of y is changed from a positive to the same negative value, resulting in the reflection.

5 0
3 years ago
Please answer as quickly as possible!
vodomira [7]

Answer:

y = x + 2

Step-by-step explanation:

y - 3 = x - 1

  +3       +3

y = x + 2



7 0
3 years ago
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