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artcher [175]
3 years ago
9

Which phrases represent the expression k/2 - 5

Mathematics
1 answer:
Contact [7]3 years ago
3 0

Answer:

K over two minus five

Step-by-step explanation:

I think?

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Given A(2,14), B(2,3), C(4,2) and D(14,2) what about AB?
stepan [7]
Answer - 11

I’m assuming you’re trying to find the line AB (basically the distance between point A and B). If that’s the case, since they both have the same x vale, subtract their y values. 14-3 gives you 11, which is the length of line AB
7 0
3 years ago
Find x<br><br><br><br><br> Thanks for the help in advance!
Marina86 [1]

I'm not sure if this is the easiest way of doing this, but it surely work.

Let the base of the triangle be AB, and let CH be the height. Just for reference, we have

AH=2,\quad HB=6,\quad AC=x

Moreover, let CH=y and BC=z

Now, AHC, CHB and ABC are all right triangles. If we write the pythagorean theorem for each of them, we have the following system

\begin{cases}4+y^2=x^2\\36+y^2=z^2\\x^2+z^2=64\end{cases}

If we solve the first two equations for y squared, we have

y^2=x^2-4\\y^2=z^2-36

And we can deduce

z^2 = x^2+32

So that the third equation becomes

x^2+x^2+32=64 \iff 2x^2 = 32 \iff x^2=16 \iff x=4

(we can't accept the negative root because negative lengths make no sense)

7 0
3 years ago
26.25 rounded to the nearest tenth
kipiarov [429]

Answer: 26.3

Step-by-step explanation:

6 0
3 years ago
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The series 6 + 6 + 6+ 6 + 6 +
Alexandra [31]
Do you mean 6 to the 5th power. or is there another 6, if so then it would be 6 to the 6th power.
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If there are 2.54 centimeters in 1 inch how many centmeters are in 10 inches
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