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3 years ago

−6b+11 and 3b + 2 PLEASE HELP

Mathematics

2 answers:

Zigmanuir [339]3 years ago

8 0

You sum the like terms
-6b+3b + 11+2
the answer is -3b+13

pychu [463]3 years ago

5 0

Combine Like Terms:
=−6b+11+3b+2
=(−6b+3b)+(11+2)

The answer is -3b+13

Hope this helped :)

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nancy spent 7/8 hour working out at the gym she spent 5/7 of that time lifting weights what fraction of an hour did sje spentld

Juli2301 [7.4K]

$\frac{9}{56}\\$ Fraction of hour was spent by NAncy in lifting weights

Step-by-step explanation:

Time spent at the gym by Nancy = $\frac{7}{8}\,hour$

Time spent at lifting weights = $\frac{5}{7}\,hour$

What fraction of hour she spent in lifting weights?

Solving:

Fraction of hour she spent in lifting weights= Time spend at the gym-Time spent at lifting weights

Fraction of hour she spent in lifting weights= $\frac{7}{8}\,hour-\frac{5}{7}\,hour$

$=\frac{49}{56}-\frac{40}{56}\\=\frac{49-40}{56}\\=\frac{9}{56}\\$

So, $\frac{9}{56}\\$ Fraction of hour was spent by Nancy in lifting weights

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