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Nadusha1986 [10]
2 years ago
9

If rope costs $3.20 per yard or $0.15 per inch which is the better deal?

Mathematics
1 answer:
PtichkaEL [24]2 years ago
8 0

Answer:

3.20 per yard because there are 36inches in a yard 36×0.5=5.40

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2 years ago
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40 POINTS!!!! Which sequence of transformations will result in an image that maps onto itself?
White raven [17]

Answer:

Option C.

Step-by-step explanation:

Let a point (x, y) has a sequence of transformations,

Option A).

Reflects across x-axis then the coordinates will be,

(x, y) → (x, -y)

Then reflects across the y-axis,

(x, -y) → (-x, -y)

Image (x, y) gets changed to (-x, -y) therefore, point (x, y) doesn't map onto itself.

Option B).

(x, y) rotate 90° counter clockwise about the origin.

(x, y) → (-y, x)

Then reflect across x-axis,

(-y, x) → (y, x)

Since coordinates of the image and the actual are not same therefore, image doesn't map itself.

Option C).

(x, y) when reflected across x-axis,

(x, y) → (x, -y)

Then reflected over the x-axis,

(x, -y) → (x, y)

In this option point (x, y) maps onto itself after these transformations.

Option D).

(x, y) rotated 90°counterclockwise about the origin

(x, y) → (-y, x)

Then translated up by 2 units.

(-y, x) → (-y, x+2)

Therefore, (x, y) gets changed after these transformations and doesn't maps itself.

Option (C) will be the answer.

7 0
3 years ago
Ramen purchase a box of candy for himself on the way back to the dorm he ate 2/3 of the candy while he was putting away grocerie
Aleksandr [31]

Answer:

12 chocolates

Step-by-step explanation:

Represent the original number of chocolates by c.  

Then (1/4)(2/3)c = 2

Solving this for c, we multiply both sides by 4:  (2/3)c = 8

and then multiply both sides by (3/2):  c = (3/2)(8) = 12

Originally the box contained 12 chocolates.

6 0
3 years ago
What is x^2+6x=x^2-6x as a system?
Fudgin [204]

Answer:

7x=-5x

Step-by-step explanation:

6 0
3 years ago
A loan used for buying a home is called a mortgage.The Carey family is buying a $250,00 home. They are taking out a 15-year mort
777dan777 [17]

Answer:

2500

Step-by-step explanation:

3 0
2 years ago
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