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Vesna [10]
2 years ago
15

Geometry N.6 properties of parallelograms

Mathematics
1 answer:
mamaluj [8]2 years ago
6 0

Answer:

72

Step-by-step explanation:

If you take s + 19 = 8s - 100 , you will get 17, so s = 17. Plus 17 into 4s + 4 and you will get 72. DC = BE, so BE = 72.

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A rectangle has vertices (8, 6), (4, 6), (8, −4), and (4, −4). What are the coordinates after dilating from the origin by a scal
Mama L [17]

Answer: (12,9), (6,9), (12,-6) and (6,-6)

Step-by-step explanation:

Given: The coordinates of the original rectangle are  (8, 6), (4, 6), (8, −4), and (4, −4).  We know that the coordinates of the image after dilation  from the origin by a scale factor of k is given by:_

(xy)\rightarrow(kx,ky)

Then, the coordinates of the image after dilation from the origin by a scale factor of 1.5 are given by:_

(8, 6)→(8\times1.5,6\times1.5)=(12,9)

(4, 6)→(4\times1.5,6\times1.5)=(6,9)

(8, −4) →(8\times1.5,-4\times1.5)=(12,-6)

(4, −4)→(4\times1.5,-4\times1.5)=(6,-6)

Hence, the coordinates of the image after dilation from the origin by a scale factor of 1.5 are (12,9), (6,9), (12,-6) and (6,-6).

3 0
3 years ago
TIME CRUCIAL!! i will give you thanks please help!!! ASAP! will mark as brainliest!!
ozzi
\overline{y} (prounounced "y bar") is the mean of the y values

Add up the y values to get
5+7+10+15+18 = 55

Then divide by 5 (because there are five y values) to get
55/5 = 11

Therefore,
\overline{y} = 11

The answer is choice C
3 0
3 years ago
Mark, Carrie, Max and Jane are doing a probability experiment in math class. They flip a coin 200 times and record their results
cricket20 [7]
Thanks for sharing.
What question are they trying to answer with their experiment ?
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5 0
3 years ago
Solve using the distributive property: 3 (x + 3) - 2x
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Udon used hufcimcfinf 8to itfor jvfor
4 0
3 years ago
PLEASE HELP!
Andrej [43]

Answer:

For the circle with the diameter of 7cm, the <u>area is about 38.48cm</u> and the <u>circumference is about 22cm</u>

For the circle with the diameter of 5cm, the <u>area is about 19.63cm</u> and the <u>circumference is about 15.7cm</u>

Step-by-step explanation:

The formula to find the area of a circle is pi*r^2

The formula to find the circumference is 2*pi*r

r = radius, which can be determined simply by taking the diameter, and dividing it by 2.

3 0
2 years ago
Read 2 more answers
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