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Brrunno [24]
3 years ago
11

What is the mean of 74, 88, 79, 70, 74. Please help me!

Mathematics
2 answers:
kupik [55]3 years ago
8 0

Answer:

Mean = 77

Step-by-step explanation:

74 + 88 + 79 + 70 + 74 = 385

385 ÷ 5 = 77

Mean = 77

maks197457 [2]3 years ago
7 0

Answer:

77

Step-by-step explanation:

Add all the numbers together (74+88+79+70+74) then divide by the amount of numbers there are (in this case 5) So (74+88+79+70+74=385) (385/5=77)

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the athletic department spent $11,250 on the 15 sports at the school. what is the rate that the athletic department spent in eac
Sholpan [36]

Answer:

$11,250 divided by 15 is 750, which means that the answer is the rate is $750 dollars spent in each sport.

5 0
3 years ago
Read 2 more answers
Find the geometric sum 4 + 12 + 36 + . . . + 236,196.
Zolol [24]
The answer choices are sufficiently far apart that you can work this backward. The sum will be ...
  236,196*(1 + 1/3 + 1/9 + 1/27 + ...)
so a reasonable estimate can be given by an infinite series with a common ratio of 1/3. That sum is
  236,196*(1/(1 - 1/3)) = 236,196*(3/2)

Without doing any detailed calculation, you know the best answer choice is ...
  354,292


_____
There are log(236196/4)/log(3) + 1 = 11 terms* in the series, so the sum will be found to be 4(3^11 -1)/(3-1) = 2*(3^11-1) = 354,292.

Using the above approach (working backward from the last term), the sum will be 236,196*(1-(1/3)^11)/(1-(1/3)) = 236,196*1.49999153246 = 354,292

___
* If you just compute log(236196/4)/log(3) = 10 terms, then your sum comes out 118,096--a tempting choice. However, you must realize that the last term is larger than this, so this will not be the sum. (In fact, the sum is this value added to the last term.)
3 0
3 years ago
The population of a town is 16,519 people. Each year the population increases by 4%. What will the town’s population be in 15 ye
snow_tiger [21]

Answer:

  29,750

Step-by-step explanation:

Each year the population is multiplied by 100% + 4% = 1.04. We want to repeat that multiplication 15 times, once for each of the 15 years. An exponent is what we use to signify (and compute) repeated multiplication. The population will be ...

  16,519 × 1.04^15 ≈ 29749.8 ≈ 29,750

4 0
3 years ago
How can you describe the graph of the equation ax + by = c? Explain
scoundrel [369]

Answer:

When A and B are not both zero, the graph of Ax + By = C is always a line. The graph of Ax + By = C, where A and B are not both zero, is a line. Divide both sides by B. Because the form Ax + By = C can describe any line, it is called the standard form of an equation for a line.

Hope this helps you!

6 0
3 years ago
Which of the following expressions is equivalent to
ivanzaharov [21]
\frac{1}{2}y^2 (6x + 2y+12x-2y)\\\\= \frac{1}{2}y^2 (18x)\\\\=9xy^2

<span>A) 9xy²</span>
3 0
3 years ago
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