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timurjin [86]
3 years ago
5

At an amusement park,Benny wants to ride a roller coaster that costs 17 tickets,a bumper car that cost 15 tickets,and a merry go

round that cost 26 tickets.benny had 22 tickets,but lost 8 of them on a ride.how many more tickets does he need?
Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0
17 + 15 + 26 = 58  (he wants 58 tickets)

22 - 8 = 14 (he has 14 tickets)

58 - 14 = 44 (he needs 44 tickets)
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In the figure below, ⎯⎯⎯⎯⎯⎯⎯⎯,⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯, and ⎯⎯⎯⎯⎯⎯⎯⎯⎯ are medians of △. If KC = 108 and OC = 2n+10, then n=
Nimfa-mama [501]

The question was incomplete. Below you will find the missing content.

In the figure below, BL, AM, and CK are medians of △ABC. If KC = 108 and OC = 2n + 10, then n=

The picture is attached below.

The value of n is 31.

The median is the line connecting the vertex and its midpoint on the opposite side of the triangle.

The intersection of all 3 medians of the triangle is called the centroid.

As we know centroid divides the median in the ratio of 2:1.

In the given picture,

Medians of triangle △ABC are AM, BL, and CK.

So the centroid of the triangle is O.

Given that KC= 108

As the centroid O divides the line KC in 2:1.

Let OC=2x

KO= X

As KC= KO+OC

⇒ 108= x+2x

⇒ 3x=108

⇒ x=108/3

⇒ x=36

Then OC= 2x= 2*36= 72

As given in the question OC= 2n+10

putting the value of OC in above equation

⇒ 72= 2n+10

⇒ 2n= 72-10

⇒ 2n=62

⇒ n=62/2

⇒n=31

Therefore the value of n is 31.

Learn more about the median of the triangle

here: brainly.com/question/2264495

#SPJ10

5 0
2 years ago
An olympic-size swimming pool is a rectangle that measures 50 meters in length and 25 meters in width. Make a scale drawing of a
Veronika [31]

Answer:

Length: 10 cm

Width: 5 cm

Step-by-step explanation:

8 0
3 years ago
Please help fast i have no clue what this is meaning<br> ILL MARK U BRAINLIEST
Klio2033 [76]

Answer:

A function is a relation that is either

  1. one-to-one, meaning each output only has one input
  2. many-to-one meaning some outputs can have more that one input, but all inputs only have one output

So, That pic is cramped, don't even know what functions are being referenced but

from the a, b, c, d relation

  • It is not a function because some inputs have more that one output, which fails our man-to-one rule

From the equations

  • -3x = 15 is not a function, because it only has one input but more than one output breaking rule 1
  • 2y=10 is a function because every input x has only one output y, it is many-to-one
  • 3x-0.25y=3 is a function, it is one to one

From the graph

  • the line is a function, since it is many-to-one

From the points

  • the x coordinate is the input, not points (2,6) and (2,3) have the same input for two outputs, breaking rule 2, that each input should have only one output. So the points are not a function
3 0
2 years ago
A pair of shorts costs $36. it is on sale for 25% off . what is the final price ?
maria [59]
You just do 36*.25=9
Then 36-9=27

$27 is your final price

Hope this helps!

Please crown;)
5 0
3 years ago
Read 2 more answers
Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 7.5 parts
DochEvi [55]

Answer:

We accept  H₀   with the information we have, we can say level of ozone is under the major limit

Step-by-step explanation:

Normal Distribution

population mean  =   μ₀   =  7.5   ppm

Sample size     n   =  16      df  =  n  -  1  df  =  15

Sample mean      =    μ   =  7.8  ppm

Sample standard deviation   =  s  =  0.8

We want to find out if ozono level, is above normal level that is bigger than 7.5

1.- Hypothesis Test

null hypothesis                          H₀         μ₀   =  7.5

alternative hypothesis             Hₐ          μ₀  >  7.5  

2.-Significance level    α  =  0.01   we will develop one tail-test (right)

then   for   df  =  15    and    α =  0,01   from t -student table we get

t(c)  = 2.624

3.-Compute  t(s)

t(s)  =  (  μ -  μ₀ ) / s /√n            ⇒   t(s)  = ( 7.8  -  7.5 )*4/0.8

t(s)  = 0.3*4/0.8

t(s)  = 1.5

4.-Compare   t(s)   and  t(c)

t(s)  <  t(c)       1.5  <  2.64

Then  t(s) is inside the acceptance region. We accept  H₀

7 0
2 years ago
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