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Citrus2011 [14]
2 years ago
5

a long board 4.7 thick is cut into three pieces of equal length these three pieces are then stacked the stack is cut in three eq

ual pieces to form nine pieces use a power to express the number of pieces in a stack after three cuts
Mathematics
1 answer:
nalin [4]2 years ago
5 0

The number of pieces per stack after 3 cuts represented by a power expression can be written as 3^{3}

  • The number of equal pieces per cut = 3

  • The number of cuts made = 3

<u>Using a power </u><u>expression</u><u> </u><u>:</u>

  • The number of of equal pieces per cut is raised to a power which represents the number of cuts made

  • Thus we have number\: of \:equal\: pieces^{number\: of \:cuts}

  • After 1 cut ; 3^{1} = 3
  • After 2 cuts ; 3^{2} = 3\times3 = 9
  • After 3 cuts ; 3^{3} = 3\times3\times3 = 27

Therefore, the Number of pieces present in stack after 3 cuts is 3^{3}

Learn more :brainly.com/question/18796573

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3) At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs. Clawson's clas
Snezhnost [94]

Answer:

Mean: 89

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5 0
2 years ago
Can someone help me with this? its solving systems by substitution
yKpoI14uk [10]
Answer: x = 1 and y = 2

Given:
y = -3x + 5
5x - 4y = -3

Since we are given y, let’s sub it in the second equation.

5x - 4(-3x + 5) = -3
5x + 12x - 20 = -3
17x = 17
x = 1

After finding x, we can now find y.

5(1) - 4y = -3
-4y = -8
y = 2

Checking:

y = -3x + 5
2 = -3(1) + 5
2 = 2


5x - 4y = -3
5(1) - 4(2) = -3
-3 = -3
8 0
2 years ago
What is the result when 1/8x - 2 5/7 is subtracted from 3 1/4x + 7 1/14
g100num [7]
Let's break it down:
We need an LCM, a least common multiple, so it's easier to subtract
3 1/4x + 7 1/14
-
1/8x - 2 5/7

3 1/4 is equivalent to 3 2/8     
2 5/7 is equivalent to 2 10/14

3 2/8x + 7 1/14        or you can break it down to two parts also
-                               3 2/8x - 1/8x = 2 1/8x
1/8x - 2 10/14          7 1/14 - (-2 10/14) = 9 11/14
------------------           - - = +
2 1/8x + 9 11/14
 


5 0
2 years ago
Mrs.jones has half of a pie left from yesterday’s dinner , today her four children will share this left over pie equally . What
Stolb23 [73]
Each kid will get 1 fourth of the pie
7 0
3 years ago
a small bar of gold is a rectangular prism that measures 40 millimeters by 25 millimeters by 2 millimeters. one cubic millimeter
guajiro [1.7K]
Step One 
Find the Volume in ccs.

V= l*w*h
l =40 mm
w = 25 mm
h = 2 mm
V = 40*35 * 2
V = 2800 mm^3

Step Two
Find the weight
1  mm^3 = 0.0005
2800 mm^3 = x   <<<<< answer 1

\frac{1}{2800} =  \frac{0.0005}{x}   Cross multiply.

1x = 2800 * 0.0005
x = 1.4 ounces.  <<<<< answer 2


9 0
3 years ago
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