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Vladimir [108]
2 years ago
10

Simplify _4x+2y+z_3x+2y_2z ​

Mathematics
1 answer:
Helen [10]2 years ago
5 0

Answer:

maybe 3xz + 4yz + 4x + 2y

Step-by-step explanation:

I tried my best!

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On the number line below, P represents a number. What is the value of the opposite of that number? A number line from negative 4
Temka [501]

Answer:

-1\frac{1}{4}

option 2

Step-by-step explanation:

In this number line, each interval equals 1/4.

P represents 1 1/4

So, opposite of number P is   ( -1\frac{1}{4} )

7 0
3 years ago
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I need help with both of em
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The answer to the first one is C) 16. The second one is A) 3,072
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3 years ago
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You want to create a 99% confidence interval with a margin of error of .5. Assuming the population standard deviation is equal t
miss Akunina [59]

Answer:

Sample size minimum is 60

Step-by-step explanation:

given that you want to create a 99% confidence interval with a margin of error of .5.

The population  standard deviation is equal to 1.5

i.e. \sigma = 0.5

Confidence level = 99%

Since population std deviation is known, we can use Z critical value for finding margin of error

Z critical value for 99% = 2.58

Margin of error = 2.58*\frac{1.5}{\sqrt{n} }

Equate this to 0.5 and solve for n

2.58*\frac{1.5}{\sqrt{n} }=0.5\\\sqrt{n} =7.74\\n =59.90\\n=60

8 0
3 years ago
Write an expression for the calculation divide 15 into thirdsand subtract from 14 divided in half
Neporo4naja [7]
15/3 - 14/2 

This is the expression you are looking for 

( I'm not 100% sure but I believe this is correct ! ) 

6 0
3 years ago
What is 1/x2=8 solve for x
VMariaS [17]
You just have to multiply to remove the denominator.
x=1/16
8 0
3 years ago
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