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Ludmilka [50]
3 years ago
12

Simplify.

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
8 0

Answer:

I'dont think it's 77 or not right

igor_vitrenko [27]3 years ago
3 0

<u>Given</u><u> info</u><u>:</u><u>-</u>

Evaluate:

[(1⅕ - 2/5).(-3/5)³]÷(-9)

⇛[6/5 - 2/5).(3³/5³)]÷(-9)

Take the LCM 5 & 5 is 5.

⇛[(6-2 /5). (3*3*3/5*5*5)]÷(-9)

⇛[(4/5).(27/125)]÷(-9)

⇛[4/5 × 27/125)]÷(-9)

⇛[(4*27)/(5*125)]÷(-9)

⇛[20/625] ÷ (-9)

⇛[20/625] ÷ 1/9

⇛20/625 × 9/1

⇛(20*9)/(625*1)

⇛180/625

Now, reduce the fraction by extracting and cancaling out with 5.

⇛36/125 or 0.228 Ans.

Hope this helps!

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vagabundo [1.1K]
I hope this helps you



Area=4.pi.r^2


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Area =1519
6 0
3 years ago
from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee
Delvig [45]

Answer:

The  height of the building is 73.2\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

tan(38\°)=\frac{BC}{AB}

we have

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substitute and solve for BC

tan(38\°)=\frac{BC}{63}

BC=(63)tan(38\°)=49.2\ ft

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The  height of the building (h) is equal to

h=BC+24=49.2+24=73.2\ ft

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The product of -16 and an unknown number equals -256. What is the value of the unknown number?
nikitadnepr [17]
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Answer:

Down Below .

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Answer:

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Read 2 more answers
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