3 years ago

Use only the associative property of addition to rewrite the expression − 41 + ( − 27 + 2 ) and then simplify.

Mathematics

1 answer:

HACTEHA [7]3 years ago

5 0

-41 + (-27 + 2) = 27 - 2 = -25 because negative plus a positive is a negative -41 + -21= -66

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san4es73 [151]

Answer:

ans: ln (5/8) , ln5 - ln8

Step-by-step explanation:

8e^x -5 = 0

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x = ln (5/8)

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8 0

3 years ago

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 = $\frac{7}{8}\,hour$

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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= $\frac{7}{8}\,hour-\frac{5}{7}\,hour$

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

Keywords: Word Problems involving Fractions

Learn more about Word Problems involving Fractions at:

#learnwithBrainly

7 0

2 years ago

Nine times the difference of a number and one is equal to seven less than two times the number

Oksana_A [137]

9*(x-1)=2x-7
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Then all you have to do is isolate the variable
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2 years ago

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Black_prince [1.1K]

Answer: The answer is D

Step-by-step explanation: Hope this helps

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