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Lera25 [3.4K]
3 years ago
6

A sledgehammer weighs 18 pounds on Earth and 4 pounds on the planet Namar. 

Mathematics
2 answers:
Advocard [28]3 years ago
8 0
It would weight 18lbs i believe

agasfer [191]3 years ago
6 0
18x = 320

x = 320/18

x = 17.77 round to 18 lbs
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The answer would be D because 100 Centimeters equal 1 meter so therefore it would be 200 day's of knitting
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3 years ago
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A random sample of 20 purchases showed the sample mean of $48.77 and the sample standard deviation s is $17.58. How large is the
laila [671]

Answer:

<h2>$5.03</h2>

Step-by-step explanation:

Given data          

Sample Mean (M):  $48.77  

Sample Size (n): 20

Standard Deviation (σ) :  $17.58

Confidence Level: 80%

 we know that z*-Values for 80% Confidence  Levels is 1.28

the expression for margin of error is given bellow\

MOE= z*σ/√n

We can now substitute into the expression and solve for the MOE as

MOE= 1.28*17.58/√20

MOE= 22.502/4.47

MOE= 22.502/4.47

MOE= 5.03

The margin of error for a 80 % confidence interval is $5.03

3 0
4 years ago
Calculate the score percentage if out of 15 shots, 12 are successfull.
schepotkina [342]
80% is the score percentage 
8 0
4 years ago
Find the value of the matrices <br> A) 17<br> B) 12<br> C) 15<br> D) 13
nlexa [21]

Answer:

option C is correct

Step-by-step explanation:

We need to find the determinant.

= -1(7*9 - 3*9)-( -3)(4*9 - 3*3) -2(4*9 -7*3)

= -1(63-27) +3 (36 - 9) -2( 36- 21)

= -1(36)+3(27)-2(15)

= -36+81-30

= 15

Option C is correct

8 0
3 years ago
Please you can help me. Thanks.
nikdorinn [45]

Answer:

Using Math Papa Algebra Calculator I was able to simplify to:

-81x^5+1198x^3-896x=0

In further detail this equation can be factored and then solved for the multiple x-values given, which are: x=0 or x=−3.7416573867739413 or x=3.7416573867739413 or x= -8/9 or x=8/9

Step-by-step explanation:

I used a punnet square to solve for the simplified equation, from there I used Math Papa Algebra Calculator.

I would answer with the simplified answer, sorry I'd need more specifics to answer this question fully.

Once again the simplified is -81x^5+1198x^3-896x=0

3 0
3 years ago
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