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12345 [234]
2 years ago
13

Simplify the following expression. 3^11/5 / 3^-9/5

Mathematics
1 answer:
Bess [88]2 years ago
8 0

Answer:

81

Step-by-step explanation:

\frac{3^{11/5}}{3^{-9/5}}  can be written as 3^{11/5} × 3^{9/5}

= 3^{20/5}

=3^4

= 81

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Step-by-step explanation: Every 3 days 1 pound of hay is used every day 1 pound of grain is used. There are 10 pounds of grain and 8 pounds of hay. On the 6th day there are 6 pounds of hay left and 6 pounds of grain left.

6 0
3 years ago
the pressure exerted on the floor by the heel of someone's shoe is inversely proportional to the square of the width of the heel
Katen [24]
P = k/w^2 

<span>first of all you need to find k </span>
<span>But I kind of don't like the units of each value so let say </span>
<span>400KPa = 4 * 10^5 Pa = 4 * 10^5 N/m^2 </span>
<span>2 cm = 2 * 10^-2 m </span>

<span>input values in the equation </span>

<span>4*10^5 = k/(4*10^-4) >>> k = 160 N </span>

<span>P = 160/w^2 </span>
<span>it said if she wears a heel with a width of .5 cm </span>

<span>P = 160(0.5 * 10^-2)^2 >>> P = 6400 KPa</span>
4 0
3 years ago
Each letter of the alphabet is printed on an index card. What is the theoretical probability of randomly choosing any letter exc
Tamiku [17]

for z the fraction value is 1/26 and for other letters then Z is 25/26

8 0
3 years ago
PLZ HELP ASAPP!!!!
juin [17]

Answer:

It is

Step-by-step explanation:

52² = 20² + 48²

2704 = 400 + 2304

2704 = 2704

Satisfies pythagoras theorem so right angle triangle

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3 years ago
Lol yeah i need a answer:)
GarryVolchara [31]

It is 175/30. (C) the third option.
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