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Vikentia [17]
3 years ago
12

There are 156 people taking a boating safety course. The ratio of adults to students is 9 to 4. How many adults are taking the c

ourse?
Mathematics
1 answer:
iren [92.7K]3 years ago
4 0
108 adults and 48 students.
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Mr. David monthly salary is revised from $2500 to $2600.What percentage is the salary increased
Sveta_85 [38]

Answer:

4% Hope this helped.

Step-by-step explanation:

The formula is: final value minus starting value divided by the starting value then times 100

THIS FORMULA ONLY APPLIES TO PERCENT INCREASE

<u>Final Value−Starting Value</u>

      Starting Value                    x100

Plug numbers in

2600-2500/2500 x 100

100/2500=0.04

0.04x100

=4%

5 0
3 years ago
Read 2 more answers
The midpoint of AB ‾ AB is M ( 3 , − 2 ) M(3,−2). If the coordinates of A A are ( 1 , − 3 ) (1,−3), what are the coordinates of
mina [271]
We can find out AM. We have to do 0M - 0A which will give (2, -5)
Now w can take 2* AM
7 0
3 years ago
I need this answered ASAP !!!! Right answers only
otez555 [7]
This is not a function because they use the same y axis.
8 0
2 years ago
on a popular fictional game show, contestants are given the opportunity to win money by reaching into a bag after being blindfol
labwork [276]

Construct a probability mass function (pmf) for x, the dollar amount won by a contestant in this game is 1/18.

What is a probability math example?

  • Probability is the measurement of how likely something is to happen.
  • As an example, since there is only one way to get a head and a total of two possible results, the likelihood of flipping a coin and getting heads is one in two. a tail or a head.
  • We write P(heads) = 12 here. The four most popular approaches to probability are axiomatic, classical, empirical, and subjective.

from above total number of chips =4+6+5+2+1 =18

hence Probabilty of win 0 P(0)=4/18

P(1) =6/18

P(5) =5/18

P(10) =2/18

P(100)=1/18

x     P(x)     xP(x)

0    0.22     0.00

1     0.33      0.33

5     0.28       1.39

10      0.11       1.11

100     0.06      5.56

                       8.39

therefore expeted value =8.39

Learn more about probability

brainly.com/question/11234923

#SPJ9

8 0
1 year ago
How to find the volume of a trapezoidal prism calculator?.
Ket [755]
You have to look up the prism
5 0
2 years ago
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