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ElenaW [278]
4 years ago
7

What is 9 minus 3 and 3 fifths?

Mathematics
3 answers:
Zigmanuir [339]4 years ago
7 1
The answer to 9 minus 3 and 3 fifths is 5.4.

Anna71 [15]4 years ago
8 0
Don't really know I tink you have to make them improper fractions and add then reduce
bigboybilly3 years ago
0 0

7.2 or 7 1/5

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Solve the equations PLEASEE<br><br> -1=3x-2<br><br> -3x=9<br><br> -10=-5x
Ilia_Sergeevich [38]

Answers are in bold:

-1=3x-2

add 2 to both sides

-1+2=3x-2+2

1=3x

divide both sides by 3

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1/3=x

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divide both sides by -3

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x=-3

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divide both sides by -5

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I hope this is good enough:

6 0
3 years ago
ΔABC was dilated from point A to get ΔADE. Find the length of AD given a scale factor of 4.
rewona [7]

Since triangle ADE is similar to triangle ABC and the scale factor is 2, the following relation must be fulfilled:

\frac{AD}{AB}=4

The, by substituting the given information, we have

\begin{gathered} \frac{6x-8}{x+2}=4 \\  \end{gathered}

By multiplying both sides by x+2, we get

6x-8=4(x+2)

which gives

6x-8=4x+8

Then, by subtracting 4x to both sides, we have

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and by adding 8 to both sides, we obtain

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then, x is given by

x=\frac{16}{2}=8

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6 0
1 year ago
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