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mariarad [96]
2 years ago
8

Can someone answer this please

Mathematics
1 answer:
Ulleksa [173]2 years ago
7 0
The scale used to make the model was 125 meters = 1 foot. 525 divided by 4.2 equals 125 meters.
The mode is 84 sheets of plywood tall.
4.2 feet = 50.4 meters
50.4 meters divided by 0.6 equals 84 sheets.
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Solutions of the equation: z2 - 12z + 36 = 0?
jasenka [17]
36 becomes a negative 

First -36 + -1 -37
Next: -18 + -2 = -20 
Next: -12 + -3 = -15
Next: -9 + -4 which equals -13
Finally we get to the last part: -6 + -6 = -12

We change z2 to z^{2}

z^{2} - 6(z) = 36 

z(z) - 6

Because, we add up for the first two terms

Switch up, up the problem 6(z) - 6

Now, let's add the number 4 on the terms 
z - 6 (z - 6) 

Then, let's multiply z - 6 from z - 6 

z - 6^{2} = ? 


From this problem we have to add 6 from the sides that we are working with 

Therefore, your answer for z is 6 
7 0
2 years ago
The average price of an item is $42 with a standard deviation of $3
FinnZ [79.3K]

The mean price goes between $ 41.16 and $ 42.84, so a value of $ 48 is unusually high.

Since the average price of an item is $ 42 with a standard deviation of $ 3, to find a 98% confidence interval about the mean, and determine if a value of X = 48 is unusually high or if it is normal, the following calculations should be done:

  • (((42 - 3) + (42 + 3)) / 2) x 0.98 = X
  • ((39 + 45) / 2) x 0.98 = X
  • 42 x 0.98 = X
  • 41.16 = X

  • (((42 - 3) + (42 + 3)) / 2) x 1.02 = X
  • ((39 + 45) / 2) x 1.02 = X
  • 42 x 1.02 = X
  • 42.84 = X

Therefore, as the mean price goes between $ 41.16 and $ 42.84, a value of $ 48 is unusually high.

Learn more about maths in brainly.com/question/25908442

8 0
2 years ago
The sum of 3 times a number and 1 is 17 decreased by the number. What expression will be translated on the left side of the equa
Zepler [3.9K]

Answer:

=0

Step-by-step explanation:


3 0
3 years ago
Estimate V130 to the nearest integer.
erma4kov [3.2K]

Answer:

\large\boxed{\sqrt{130}\approx11}

Step-by-step explanation:

\sqrt{a}=b\iff b^2=a\\\\11

8 0
3 years ago
100serihttps://brainly.com/question/23752325#
d1i1m1o1n [39]

Answer:

what?

Step-by-step explanation:

7 0
2 years ago
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