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Mathematics

1 answer:

Mandarinka [93]3 years ago

4 0

4/3 all I can tell u

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-(-1/3) + 2/5 - (-1 1/3) - (-3/5)

algol13

1/3+2/5+4/3+3/5=8/3
Steps
A double negative makes a positive.
So, change all double negatives to positives (to simplify it)
1/3 + 2/5 + 1+1/3 + 3/5
What's the least common denominator here?
Yes, it is 15!
Change the fractions to that denominator
5/15 + 6/15 + 1+5/15 + 9/15
change 1+5/15 to 20/15, then add the fractions
Result: 40/15
Divide numerator and denominator both by the greatest common factor:5
8/3

5 0

4 years ago

Someone please answer my question please I am struggling and need to finish tonight I think I got the answer but I am not sure p

NeX [460]

In the figure we have three right angles .The triangles similar to each other .Similar triangles have sides in proportion .The altitude rule is true for the triangles .

The theorem states :The altitude to the hypotenuse of a right triangle is the mean proportional between the segments into which it divides the hypotenuse.

$\frac{part of hypotenuse}{altitude} =\frac{altitude}{other part hypotenuse }$