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zhuklara [117]
3 years ago
13

Destiny plots nEFG in the coordinate plane. Then Destiny’s teacher asks her to rotate nEFG 908 clockwise around the origin to fo

rm its image nE9F9G9. Her original figure and image are shown in the coordinate plane. a. What mistake did Destiny make? b. What are the correct coordinates of the vertices for the image? c. Draw the correct image nE9F9G9 in the coordinate plane. 3 4

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

Answer:

Step-by-step explanation:

a). By the rotation of 90° clockwise around the origin image ΔE'F'G' will be in 2nd quadrant while Destiny has plotted in fourth quadrant.

b). Rule to find the coordinates of the image will be,

    (x, y) → (y, -x)

    E(-5, -1) → E'(-1, 5)

    F(-2, -3) → F'(-3, 2)

    G(-4, -4) → G'(-4, 4)

c). Now we can plot these points on the graph as shown in the attached picture.

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WHAT IS THE PERCENTS OF 13/50 , 3/5 3/20 5/8 45/90 7/5 19/25
WITCHER [35]
To convert a fraction to a percent, simply divide the numerator by the denominator and multiply the quotient (the result) by 100. 

1. \frac{13}{50}
Divide 13 by 50 to receive the quotient
13÷50=0.26
Multiply the quotient by 100 or simply move the decimal two places to the right. 
0.26×100=26
Add the "percent" symbol to your answer. (%)
As a result, the percent form of \frac{13}{50} is 26%

Similarly, all the fractions will follow the same procedure, in order for them to be converted to a percent. Simply add the percent symbol (%) after the result. 

2. \frac{3}{5} = 0.6 = 60%
3. \frac{3}{20} = 0.15 = 15%
4. \frac{5}{8} = 0.625 = 62.5%
5. \frac{45}{90} = 0.5 = 50%
6. \frac{7}{5} = 1.4 = 140%
7. \frac{19}{25} = 0.76 = 76%

Percent means "out of 100" or "parts per 100". For cases where the numerator is larger than the denominator (improper fraction), such as 7/5, the result will be larger than 100% as well, as the total number of parts exceeds the parts available. 




6 0
3 years ago
A circle has a radius of 50 cm. Which of these is the closest to its area?
Genrish500 [490]

Answer:

  7,854 cm squared

Step-by-step explanation:

The formula for the area of a circle is ...

  A = πr^2

Filling in the given radius gives you ...

  A = π(50 cm)^2 = 2500π cm^2 ≈ 7854 cm^2

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Illusion [34]

Answer:

A rational number is said to be closed if the subtracted values and the result obtained are rational. Hence, the equations which supports the condition are :

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5√4 - √4 = 4√4

Step-by-step explanation:

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√8 - √8 = 0 ; the added values aren't rational and the result, Zero is not rational either.

B.)

5√4 - √4 = 4√4

5(2) - 2 = 2(2)

10 - 2 = 4

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5.5 - 0.5 = 4 ; all the values in the expression are rational, hence, it supports the fact.

2√3 - √3 = √3 ; the values in the expression are not rational, hence, it does not meet the condition.

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