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mart [117]
3 years ago
5

Simplify this expression. 3^5/3^3

Mathematics
2 answers:
san4es73 [151]3 years ago
7 0

Answer:

3^2

Step-by-step explanation:

3^5/3^3=3^(5-3)=3^2

KatRina [158]3 years ago
4 0

Answer:

\frac{ {3}^{5} }{ {3}^{3} }  =  {3}^{5 - 3}  =  {3}^{3}  = 27

Step by step explanation :

When dividing two fraction we subtract the powers if the bases are same.

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how much wrapping paper would you need to cover a rectangular that is 18.25 inches by 12inches by 3 inches if you need 10% more
natita [175]

Answer: 681 square inch

Step-by-step explanation:

Hi, we have to apply the formula for the surface area:

A = 2wl + 2lh + 2hw

Where:

w: width

l: length

h: height

Replacing with the values given:

A = (2x12x18.25) + (2x12x3)+(2x18.25x3)

A= 438+72+109.25

A=619.5 in2

Since it has to be 10% more than the surface.

619.5 x (10/100) = 61.95 in2

Adding that value to the surface area

619.5+61.95 = 681.45in2 = 681 in2

4 0
2 years ago
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Katena32 [7]
The slope is 3, count from one point to o other. If you go from -2,0 up to -1,3 you go up 3 and over one so the slope is 3
3 0
3 years ago
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Element X is a radioactive isotope such that every 90 years, its mass decreases by half. Given that the initial mass of a sample
steposvetlana [31]

Answer:

approximately 27 grams

Work Shown:

Half life formula

y = A*(0.5)^(x/H)

where,

A = starting amount = 30 grams

H = half life period = 90 years

x = number of years that pass by = 12

y = amount left over after x years

Let's plug the values for x, A and H into the formula to find y

y = A*(0.5)^(x/H)

y = 30*(0.5)^(12/90)

y = 27.3516746567466

y = 27 .... rounding to the nearest whole number

4 0
3 years ago
PLSS HELP IF YOU TURLY KNOW THISS
yaroslaw [1]

Answer:

x = 11

Step-by-step explanation:

(0.3x - 2.1)/3 = 0.4

0.3x - 2.1 = 0.4 * 3

0.3x - 2.1 = 1.2

0.3x = 1.2 + 2.1

0.3x = 3.3

x = 3.3/0.3

x = 11

6 0
3 years ago
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Emma took 35 pictures of flowers on a nature walk and an additional 3 pictures of each bird she saw. She took a total of 83 pict
Lisa [10]
Equation:
83 = 3x × 35
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3 years ago
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