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Serga [27]
3 years ago
9

If anyone Is nice enough to check my math (don’t judge the horrible handwriting..I don’t usually write like this)..I’d be thankf

ul!

Mathematics
2 answers:
Grace [21]3 years ago
6 0

Answer:

<h2>The result is \frac{27}{2}</h2>

Step-by-step explanation:

We have to resolve:

<h2>[\frac{13}{50} +\frac{(-11)}{70}]:[\frac{(-16)}{35} .\frac{1}{(-60)} ]</h2>

First we are going to analyze by separate:

<h2>[\frac{13}{50} +\frac{(-11)}{70}]</h2>

We have to look for the least common denominator between 50 and 70, which is 350, then we have to rewrite:

<h2>[\frac{13}{50} +\frac{(-11)}{70}]=[\frac{91}{350}+ \frac{(-55)}{350} ]\\\\=[\frac{91-55}{350} ]\\\\=[\frac{36}{350}]</h2>

We can simplify dividing in 2:

<h2> \frac{36}{350} =\frac{18}{175}</h2>

Now we have to look the other part:

<h2>[\frac{(-16)}{35} .\frac{1}{(-60)} ]</h2>

This is a multiplication so we have to cross-simplify:

We can't simplify 35 and 1 but we can simplify (-16) and (-60) in 4:

<h2>[\frac{(-16)}{35} .\frac{1}{(-60)} ]=[\frac{4}{35} .\frac{1}{15} ]\\\\=[\frac{4}{525}]</h2>

Now uniting what we analyzed separately:

<h2>\frac{18}{175}:\frac{4}{525}</h2>

We can simplify, we have a division then we have to simplify numerator with numerator and  denominator with denominator.

We are going to simplify the numerators in 2 and the denominators in 175:

<h2>\frac{18}{175}:\frac{4}{525}=\frac{9}{1} :\frac{2}{3}=\frac{27}{2}</h2><h2>Then the result is \frac{27}{2}</h2>
professor190 [17]3 years ago
4 0
I’ll check it give me a minute I’m mainly writing this so I know to come to this just sec
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