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Gnesinka [82]
3 years ago
11

#38: The integers below represent the monthly gains and losses in the value of an investment over one year. Find the mean of the

integers: -$190, $75, -$65, $100, $72, -$54, -$62, -$87, $92, $81, -$73, $63

Mathematics
1 answer:
jek_recluse [69]3 years ago
8 0
It should be $84.50 because you have to add all the numbers up and divide it by how many numbers there are
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Can anyone please help me
inn [45]

9514 1404 393

Answer:

  (a)  f(3) < g(3)

Step-by-step explanation:

Put the number where the variable is and do the arithmetic.

  f(3) = 4·3³ = 4·27 = 108

  g(3) = 3·4³ = 3·64 = 192

  108 < 192

  f(3) < g(3)

8 0
2 years ago
In △ABC, point D∈AC
Maslowich
<h3>Answer:</h3>
  • ABDC = 6 in²
  • AABD = 8 in²
  • AABC = 14 in²
<h3>Explanation:</h3>

A diagram can be helpful.

When triangles have the same altitude, their areas are proportional to their base lengths.

The altitude from D to line BC is the same for triangles BDC and EDC. The base lengths of these triangles have the ratio ...

... BC : EC = (1+5) : 5 = 6 : 5

so ABDC will be 6/5 times AEDC.

... ABDC = (6/5)×(5 in²)

... ABDC = 6 in²

_____

The altitude from B to line AC is the same for triangles BDC and BDA, so their areas are proportional to their base lengths. That is ...

... AABD : ABDC = AD : DC = 4 : 3

so AABD will be 4/3 times ABDC.

... AABD = (4/3)×(6 in²)

... AABD = 8 in²

_____

Of course, AABC is the sum of the areas of the triangles that make it up:

... AABC = AABD + ABDC = 8 in² + 6 in²

... AABC = 14 in²

6 0
3 years ago
Please Help! Will give Brainlest!
Marina86 [1]

Answer:

amplitude = 2

Step-by-step explanation:

the amplitude is the distance from the x- axis(midline ) to the maximum value , that is

amplitude = 2

4 0
2 years ago
Read 2 more answers
-12 is equal to a number subtracted from 3
tamaranim1 [39]
3 - 15  =  -12
so that is your answer
3 0
3 years ago
Read 2 more answers
Find the value of y?
mezya [45]
I believe Y=4.......
5 0
3 years ago
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