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algol13
3 years ago
12

Can somebody please help me I will mark u brilliant

Mathematics
2 answers:
noname [10]3 years ago
7 0

Answer:

14

Step-by-step explanation:

You first add up all the number shown on the chart. Then you divide the sum by the number of values. 12+11+12+20+15 = 70. 70÷5= 14.

CaHeK987 [17]3 years ago
3 0

Answer: 14

Step-by-step explanation:

Since they said find the mean

You are suppose to add up all the numbers then divide it by how many numbers are there.

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Perimeter of the quadrilateral is 70 inches. find the lengths of the sides.
mixas84 [53]
To answer the problem above, I assume that the four-sided figure has equal measure of the sides. Let x be the lengths of each side and the equation for the perimeter is,
 
                                      P = 4x

Substituting the known values, 
 
                                      70 in = 4x

The value of x is 17.5 in. 

Therefore, the each side of the quadrilateral is 17.5 inches long. 


4 0
3 years ago
Would this be sin, cos, or tan?
Nataly [62]

Answer:

tan

Step-by-step explanation:

its the opposite over adjacent

7 0
3 years ago
Read 2 more answers
MATH: EXPONENTIAL WORK PROBLEM 1. HELP PLEASE! 13 pts
Strike441 [17]

The amount of the radioactive substance is 374.6 g

<h3>How to determine the amount of radioactive substance?</h3>

The given parameters are:

  • Initial, a = 424 mg
  • Rate, r = 6%
  • Time, t = 2 hours

The amount of the radioactive substance is calculated as:

A(t) = a(1 - r)^t

This gives

A(t) = 424 * (1 - 6%)^t

At 2 hours, we have:

A(2) = 424 * (1 - 6%)^2

Evaluate

A(2) = 374.6

Hence, the amount of the radioactive substance is 374.6 g

Read more about exponential functions at:

brainly.com/question/2456547

#SPJ1

4 0
2 years ago
This is for anyone who has ever been cheated on before...
Evgen [1.6K]

Answer:

thank you

Step-by-step explanation:

4 0
3 years ago
In the early months of some​ year, one site added 0.5 million new accounts every day. At this​ rate, how many days would be need
Over [174]
The answer that you are looking for is 60 . It will take 60 days until there will be 30 million new accounts added to a site. If you divide 30 from .5 you would get 60 so that would be your answer

8 0
3 years ago
Read 2 more answers
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