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50 divided by 5/8 = 1.25

you know their is a calculator on the home page right? all you need to remember is that the "/ " means both division and a bar in the center for fractions. Not saying your dumb but you could just put in these to get answer:   50/5/8

seven eighths as a decimal number

\(\frac{7}{8}=0.875\)

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^w^

dosen't it mean reapeating?

4.50×4.50 ÷1/2=

\(4.50×4.50 ÷\frac{1}{2}=4.50×4.50 \times\frac{2}{1}=38.72\)

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The square root of 675856

\(\sqrt{67\ 58\ 56}=\sqrt{2^4\times53\times797}=2^2\times\sqrt{53\times797}=822.104616212\)

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Well it has half as many sides as a decagon, so it is a pentagon.

4 5/16IN + 7 1/2IN

\(4\frac{5}{6}IN+7\frac{1}{2}IN=\frac{29}{6}IN+\frac{15}{2}IN\)

\(=\frac{29+3\times 15}{6}IN=\frac{74}{6}IN=12\frac{1}{3}IN\)

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22/7 or 

3.14285714286....

Product means multiply.  

The product of -3 and -4 is +12, that is true but it has nothing to do with this question. :)

Let P be the number of pages......so we have...

3P + 24   = 2P + 29      subtract 2P, 24 from each side

P = 5          so.....5 pages equalize the cost

And the cost is 3(5) + 24  = $39

60*1/3

60        1

__   *   ___   = 60/3      60/3=20

              3*  

1

4z-(-3z)

* Product of two negative numbers gives you a positive number.

4z+3z=7z

36/100= 9/25

Assuming that we have a right triangle with BA as the hypotenuse....

BC = √ [ BA^2 -AC^2]  = √[ 17^2 - 8^2]  = √ [289 - 64]  = √225   =  15

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Try watching this.  There are a lot of resourced on the web to help with mathematical concepts.

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36 / 100  =   [ 9 * 4 ] / [ 25 * 4 ]  =  [ 9 / 25] * [ 4 / 4]  = [ 9 / 25 ] * [1 ]  =  9 / 25

\(60\times \frac{1}{3}\\ =\frac{60}{1}\times \frac{1}{3}\\ =\frac{60\times1}{1\times3}\\ =\frac{60}{3}\\ =20\)

AND

\(60\times \frac{1}{3}\\ = \frac{1}{3}\times60\\ = \frac{1}{3}\;\;of\;\;60\\ =20\\ because\\ 20+20+20=60\)

Just add 5 to each coordinate

(-3 + 5, -2 + 5) → (2, 3)

(5, 1) → (10 , 6)

(1, 4) → (6, 9)

So....D is correct

4z−(−3z)

\(=4z - - 3z\\ =4z +3z\\ =7z\\ \)

Rotating the figure 270° counter-clockwise is the same as rotating the figure 90° clockwise...

And each point will swap coordinates and both will have positive signs....so

(-2,1) → (1, 2)

(-4,2) → (2, 4)

(-3,5) → (5, 3)   

C is correct

Your triangle is described well enough.  I assume it is triangle ABC but what is D  ??

60 x 1/3 =60 / 3 = 20