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bija089 [108]
1 year ago
15

Picture 1272837373773

Mathematics
1 answer:
Lera25 [3.4K]1 year ago
7 0

The image of the point (x, y) by R (90, O) is (-y, x)

Point R = (1, -1), then

Point R' = (1, 1)

Point S = (4, 1), then

Point S' = (-1, 4)

Point T = (4, -3), then

Point T' = (3, 4)

The answer is D

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Type using number words. (Remember to use a hyphen in your answer where needed.) <br> 355
Stolb23 [73]
Three hundred- fifty- five

Reason; number words refer to the alphabetical form of numbers.
7 0
2 years ago
Write the ratio of the area of a circle with radius r to the circumference of the same circle
Goshia [24]

Answer:

\frac{r}{2\pi r} =\frac{1}{2\pi }

Step-by-step explanation:

A ratio is a comparison of two quantities and can be written in several forms including fractions. It is most commonly written in fraction form or a:b.

To write a ratio, we count the number of each quantity we are comparing or use the variable for that quantity. We write radius:circumference. Recall, the circumference of a circle can be found using \pi d or 2\pi r.

We write r: \pi d  or r:2\pi r.

We can also write in fraction form:

\frac{r}{\pi d} or \frac{r}{2\pi r} =\frac{1}{2\pi }


6 0
3 years ago
What is the value of 3 to the power 2 over 3 to the power 4? A. 1 over 81 B. 1 over 27 C. 1 over 9 D. 1 over 3
rodikova [14]
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do 3^{(2-4)} since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get 3^{-2}, which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.
6 0
3 years ago
Read 2 more answers
Nancy bought 3.5 gallons of gasoline. she paid 10.43. What was the price per gallon for the gasoline
schepotkina [342]

Answer:

Nancy paid 2.98 per gallon of gasoline.

Step-by-step explanation:

The price of the gasoline is given by the total amount she paid for the gasoline divided by the amount of gasoline acquired with that money. The calculations for this are shown below:

ratio = total money / total gasoline

ratio = 10.43 / 3.5

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Nancy paid 2.98 per gallon of gasoline.

3 0
3 years ago
What are 4 quarts in one gallon but in a <br> fraction form
mrs_skeptik [129]
Should be 1/4 to my knowledge.
7 0
2 years ago
Read 2 more answers
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