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Anastaziya [24]
2 years ago
6

What is the positive solution to this equation? 3x2−20x=7

Mathematics
1 answer:
GREYUIT [131]2 years ago
7 0

Answer:

6-20x=7

-20x= 7-6

-20x=14

-20×/20=14/20

×=14/20

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Dilate the triangle with a scale factor of 2 and a center of dilation at the origin
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Answer:

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The picture below shows a dilation with a scale factor of 2. This means that the image, A', is twice as large as the pre-image A. Like other transformations, prime notation is used to distinguish the image fromthe pre-image.

Step-by-step explanation:

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2 years ago
Thomas buys a cardboard sheet that is 8 by 12 inches. Let x be the side length of each cutout. Create an equation for the volume
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Answer: Your equation would be y = x(12 - 2x)(8 - 2x).

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4 0
3 years ago
Read 2 more answers
Which of the following is the correct expansion of (3x-y)2
Studentka2010 [4]

\bold{[ \ Answer \ ]}

\boxed{\bold{9x^{2} \ - \ 6xy \ + y^{2} }}

\bold{[ \ Explanation \ ]}

  • \bold{Find \ Expansion: \ (3x \ - \ y^{2} )}

\bold{----------------------}

  • \bold{[Apply \ Perfect \ Square \ Formula\ (\left(a-b\right)^2=a^2-2ab+b^2)] \ a \ = \ 3x, \ b \ = \ y}

\bold{\left(3x\right)^2-2\cdot \:3xy+y^2}

  • \bold{[Simplify \ \left(3x\right)^2-2\cdot \:3xy+y^2] \ 9x^2-6xy+y^2}

= \bold{9x^2-6xy+y^2}

\boxed{\bold{[] \ Eclipsed \ []}}

3 0
3 years ago
Aicha has 36 dress. She completes 1/2 of the dresses in 3/4 of an hour.If she continues at this rate what fraction of the dresse
nydimaria [60]

Answer:

2/3

Step-by-step explanation:

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1hr ==> 6x4 = 24

fraction = 24/36 = 2/3

3 0
3 years ago
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