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3 years ago

14

a cube has edge length 10 cm. starting at the vertices dots are placed along every edge at 1cm intervals. how many dots will the

re be in total once the pattern has been completed?

1 answer:

Tamiku [17]3 years ago

3 0

Answer:

120 dots

Step by step explanation:

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How do I Simplify i^54

yanalaym [24]

Answer:

$i^{54}=-1$

Step-by-step explanation:

First, recall the 4 basic imaginary exponents:

$i^1=i \text{, }i^2=-1\text{, }i^3=-1\text{ and } i^4=1$

So, we want to find:

$i^{54}$

This is the same as:

$=i^{52}\cdot i^2$

52 is 4 times 13. Thus:

$=(i^4)^{13}\cdot i^2$

Since we know that i to the fourth is 1:

$=(1)^{13}\cdot i^2$

Simplify:

$=i^2$

And this equals:

$=-1$

So:

$i^{54}=-1$

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3 years ago

What is the best estimate for 56.23 - 45.9?<br> A. 9<br> B. 10<br> C. 11<br> D. 15

DIA [1.3K]

Answer:

10 Letter B

Step-by-step explanation:

56.23 rounds down to 56 and 45.9 rounds up to 46. So 56 - 46 = 10

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for her book club, Sharon reads for 45 minutes each day. write an expression for the number of hours she reads in d days

Dafna1 [17]

N=(3/4)*h*d

--------------------

n=Number of hours she reads

h=Hour(s)

d=Days

--------------------

You see, with this formula - when d=2,

n=(3/4)*h*2=(6/4)*h=(3/2)*h=1.5 hours

So, in the space of 2 days, she had spent 1.5 hours reading.

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What is PIE multiplied by PIE?

oksian1 [2.3K]

Pie equal 3.14. So therefore 3.14 x 3.14= 9.8596

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According to international standards, a tennis ball should have an internal pressure of 14 psi. Wilson claims that the pressure

Lisa [10]

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached image below for the step by step explanation to the question above.

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3 years ago