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notka56 [123]
3 years ago
15

Can u help me check if this is correct ty

Mathematics
2 answers:
mart [117]3 years ago
4 0

H (4.84) will be the correct answer

lisov135 [29]3 years ago
4 0

Answer: You are correct. The answer is choice (H) 4.84

======================================================

Explanation:

10% = 10/100 = 0.1

10% of 4.4 = 0.1*4.4 = 0.44

Increasing 4.4 by 10% means we add on 0.44 to get 4.4+0.44 = 4.84

So the ruler says 4.4 inches but the actual table could be as long as 4.84 inches.

---------

A shortcut is to compute it like this:

4.4*1.1 = 4.84

The multiplier 1.1 represents an increase of 10% because

1.1 = 1 + 0.1 = 100% + 10%

This shortcut allows for multiple percentage increases that can be chained together fairly quickly.

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Alise separated her pictures into 3 piles. Each pile contained 9 pictures. How many pictures did she have in all? Write and and
expeople1 [14]
3 piles of 9 pictures is 27. Because 9*3=27. So, your answer should say "Alise had 27 pictures in all because 9*3=27"
8 0
4 years ago
the product of 7 and a number increased by 3 is equal to twice the number subtracted from 39 find the number
Vanyuwa [196]
Say x is the number

7x +3 = 39 -2x
Add 2x to each side
9x +3 =39
Subtract 3 from each side 
9x =36
Divide by 9 on each side
x=4

Hope this helped
4 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20-%205%20%3D%20a%20-%203" id="TexFormula1" title=" - 5 = a - 3" alt=" - 5 = a - 3" align="ab
Aloiza [94]

~~-5=a-3\\\\\implies a =-5+3\\\\\implies a  = -2

4 0
2 years ago
Read 2 more answers
This is rounding off okay 454 by the nearest 10
kirza4 [7]
454=450
289=290
2,964=2,960
  4 or less then let it rest 5 or more then let it soar is a helpful ryhme for rounding.
5 0
3 years ago
Read 2 more answers
The population standard deviation of the numbers 3, 8, 12, 17, and 25 is 7.563 correct to 3 decimal places. what happens if each
user100 [1]
Let's figure this out as though we have no idea what the answer would be.

Step One
Find the new five numbers.
3*3, 8*3, 12*3, 17*3, 25*3
9 , 24 , 36, 51, 75

Step 2
Find the average
(9 + 24 + 36 + 51 + 75)/5 = 195/5 = 39

Step 3
Subtract the individual numbers from the average
(39 - 9) = 30
(39 -24) = 15
(39 - 36) = 3
(39 - 51) = - 12
(39 - 75) = -36

Step 4 
Square the results from Step 3
30^2 = 900
15^2 = 225
3^2 = 9
(-12)^2 = 144
(-36)^2 = 1296

Step 5
Take the average of the results from step 4
(900 + 225 + 9 + 144 + 1296)/5
2574 / 5 = 514.8

Step 6
Take the square root of the result from step 5
deviation = sqrt(514.8)
deviation = 22.689

Step seven 
Compare the two standard deviations.
s2/s1 = 22.689 / 7.563 = 3

Conclusion
If you are given 1 set of numbers to find a population standard deviation and you multiply each member by a, then the result will be a * the standard population deviation of the first set of numbers.

Note
Your calculator will do this as well, but you have to know how to enter the data into your calculator. That requires that you follow the directions carefully. 

7 0
3 years ago
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