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pychu [463]
3 years ago
12

Help I need you right nowwwwwwwwwwww

Mathematics
2 answers:
Vilka [71]3 years ago
6 0

Answer:

6/8

simplified: 3/4

Step-by-step explanation:

this is addition

first multiply 1/2 by 4 to get 4/8

then add: 4/8+2/8= 6/8

earnstyle [38]3 years ago
4 0

Answer:

6/8

just add the fractions together after making the bottom the same

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Is rectangle EFGH the result of a dilation of rectangle ABCD with a center of dilation at the origin
trapecia [35]

Yes, because both figures are rectangles and all rectangles are similar. Option B is correct option.

According to the statement

We have given that the two rectangles EFGH and ABCD and we have show that the these rectangles Are dilation at origin or not.

So, According to the given diagram

Yes, the rectangle EFGH is a result of dilation of rectangle ABCD with a center of dilation of rectangle at the origin.

Also The scale factor of the dilation is greater than one as the image is bigger than the pre-image i.e. there is a stretch.

The scale factor could be calculated by the ratio of the sides of the image to the pre-image rectangle.

According to the diagram In Rectangle ABCD:

Its vertices have coordinates A(-3,3), B(3,3), C(3,0) and D(-3,0).

Now consider rectangle EFGH:  

Its vertices have coordinates E(-4,4), F(4,4), G(4,0) and H(-4,0).

Hence the scale factor is becomes from these values is:

EF/AB = EH/AD = FG/BC = HG/DC = 4/3.

Hence the scale factor becomes 4/3.

Also

∠A=∠B=∠C=∠D=∠E=∠F=∠G=∠H=90°

( When a shape is dilated the two shapes are similar.And similar shapes have equal interior angles , corresponding sides are proportional ).

So, Yes, because both figures are rectangles and all rectangles are similar. Option B is correct option.

Learn more about center of dilation of rectangle here brainly.com/question/17986580

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4 0
2 years ago
How many Match sticks will be In Image 6?​
zavuch27 [327]
19

In the first image, we are given 4 match sticks.

In the second image, we are given 7 match sticks. The difference between the match sticks is 3.

In the third image, we are given 10 match sticks. The difference between the match sticks again is 3.

If in the third image we are given 10 match sticks, and for every new image, there is another 3 match stick added, then in the sixth image, there must be 19 match sticks. Image 4: 10 + 3 = 13. Image 5: 13 + 3 = 16. Image 6: 16 + 3 = 19.

Answer = 19. Hope this helps. :)
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3 years ago
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Vesnalui [34]
(5a-b)(5a+8b)=(5a*5a)+(5a*8b)+(-b*5a)+(-b*8b)=25a^2+40ab-5ab-8b^2=25a^2+25ab-8b^2
5 0
4 years ago
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A right triangle has a side length of 16 meters and hypotenuse of 20 meters.
Sunny_sXe [5.5K]

I hope this helps you

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Kristine bought a vase that cost $5.99 and roses that cost $1.25 each. The total cost was $20.99.
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Answer:

5.99 + 1.25r = 20.99

Step-by-step explanation:

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