The unknown measures of one triangle are about:

Mathematics

1 answer:

olga_2 [115]3 years ago

8 0

Answer: but I need the points sorri

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Identify the segments that are parallel, if any, if FDC = GCH

liq [111]

Answer:

Step-by-step explanation:

The two lines will never intersect regardless of the distance they go

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Which equation has the same solution as x^2-6x-12=0

kifflom [539]

If you multiplied the equation by 2 it's gonna be 2x^2-12x-24=0 which is the same if you factor it as <span>x^2-6x-12=0</span>

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The difference between 3 times a number and 21

pashok25 [27]

The difference (-) between 3 times a number (3n) and 21.

3n - 21

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3 years ago

NEED ANSWER ASAP!!!!

lesya692 [45]

Answer:

1st option

Step-by-step explanation:

To find the difference of the given matrices, we just need to subtract the corresponding elements of the two matrices as shown below:

$\left[\begin{array}{cc}-4&8\\3&12\end{array}\right] -\left[\begin{array}{cc}2&1\\-14&15\end{array}\right] \\\\ \\ =\left[\begin{array}{cc}-4-2&8-1\\3-(-14)&12-15\end{array}\right]\\\\ \\ =\left[\begin{array}{cc}-6&7\\17&-3\end{array}\right]$

Thus, 1st option gives the correct answer

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i When 20 is added to a certain number and the sun is divided by 3, the result is 3 times the number, find the number.

Bingel [31]

Answer:

$let \: the \: number \: be \: x \\ \frac{20 + x}{3} = 3x \\ \frac{3(20 + x)}{3} = (3x)3 \\ 20 + x = 9x \\ 20 = 9x - x \\ 20 = 8x \\ \frac{20}{8} = \frac{8x}{8} \\ x = 2.5$

Step-by-step explanation:

Hope that this is helpful .

Have a great day.

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2 years ago