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Arlecino [84]
3 years ago
8

Help me pls :(

Mathematics
1 answer:
Ksju [112]3 years ago
8 0

Answer:

There are many centeral tendancy like in pie charts, data handling etc. But i think ur asking abt this.. -

- Mean : It is the average ex : 5,5,2 : 5+5+2 /3 = 4

- Median: the middle number (arrange in asc or des order) then find the middle num if there are 2 middle num then find the mean of the 2

ex : 3,4,1,2,5  :  1,2,3,4,5, the middle is 3

-Mode : It is the data that is happening the most frequent

ex: 1,2,2,3,3,3,4,4,5   :    3

Ihope this is usefull !

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(fog) f(x) = 1/x g(x) square root x+3
NeX [460]

Answer:

see the step below, but I'm not sure if this you want

Step-by-step explanation:

(fog) =  \frac{1}{ \sqrt{x + 3} }

(fog) =  \frac{ \sqrt{ x  + 3} }{x + 3}

3 0
2 years ago
Property in Dry Gultch County is assessed at $305,000,000. The taxes to be raised are $13,750,000. What is the tax rate?
yanalaym [24]
Well you know that the value is 305 million
And the taxes are 13.75 million. taxes are a percentage of the value. to get a percentage of the value you use :
value * percent = percentage of value

So:
305 million * percent = 13.75 million
or:
305 * x = 13.75
x = 13.75 / 305
x = .045

x = 4.5%
5 0
4 years ago
Read 2 more answers
Four times a number increased by 3 is the same as twice the number increased by 9? I'm horrible at these
Anna71 [15]
The question says:
4(x) +3 = 2(x) + 9 
so now you need to find x
first you should add -2(x) on both sides of the equation and then add -3 on both sides:
4(x) - 2(x) = 9 - 3 
2(x) = 6
now you can divide both sides by 2:
x = 6/2 
x = 3 :)))
I hope this is helpful
have a nice day
4 0
3 years ago
Read 2 more answers
You are building a dollhouse for your younger sister. The frame is in the shape of a pentagon. You want the two roof pieces to m
tigry1 [53]

Answer:

m∠ABC = m∠EDC = 154°

Step-by-step explanation:

The roof forms and isosceles triangle and the following relationships can be observed:

m∠EDC  + m∠ABC = 52 = 180

m∠ABC = m∠EDC  = 64.

Since the frame of the walls make a 90 degree angle with the roof, then:

m∠CDB + 90 =  m∠EDC

m∠CBD + 90 = m∠ABC

m∠ABC = m∠EDC = 64 + 90

m∠ABC = m∠EDC = 154°

4 0
3 years ago
A bag contains 15 new batteries and 10 used batteries. If Heather randomly selects 2 batteries from the bag without replacement,
VashaNatasha [74]

well, 60% of 25 is 15, and 40% of 25 would be 10. So, it should be a 60-40 percent chance. so, the probability of an used one is lower than a new one by 20%

I may sound confusing so to sum it all up : It is lower than the new batteries because, the old ones would be a 40% chance while the new ones would be 60%.

6 0
4 years ago
Read 2 more answers
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