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const2013 [10]
2 years ago
12

Below is a table of revenue and cost, in thousands of dollars, of a business. Use the best fit line to estimate the number of mo

nths until the business is no longer profitable.

Mathematics
1 answer:
Serjik [45]2 years ago
5 0

Answer: It's 18

Step-by-step explanation: i took it and got it right

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The heights of 500 students at a local school were recorded and found to be approximated by the normal curve below. Which
Sunny_sXe [5.5K]

Answer:

option C.

Step-by-step explanation:

The given graph is the bell shaped graph.

From the graph we can observe that the peak is at 69.

So, the mean of the data is = 69 .

Standard deviation is the deviation of the graph from the mean value.

 =  72-69 = 3

Hence, the standard deviation is equal to 3.

So, the correct answer is option C.

5 0
2 years ago
What is the solution to the equation? <br><br><br>5(n - 1/10) = 1/2​
stira [4]

Answer:

i have made it in picture hope it help

6 0
2 years ago
Find first derivative f(x)= x² - 4 /x³ + 9 ​
vitfil [10]

Answer:

f'(x) = 2x + \frac{12}{x^{4} }

Step-by-step explanation:

differentiate using the power rule

\frac{d}{dx} ( ax^{n} ) = nax^{n-1}

Given

f(x) = x² - \frac{4}{x^3} + 9 = x² - 4x^{-3} + 9 , then

f'(x) = 2x + 12x^{-4} = 2x + \frac{12}{x^{4} }

5 0
2 years ago
Read 2 more answers
A square pyramid is shown. What is the surface area?
Blizzard [7]

Answer:

  • C. 31.25 cm²

Step-by-step explanation:

<u>Surface area comprises of:</u>

  • A = Area of square base + 4(area of triangle faces)
  • A = 2.5² + 4*1/2*2.5*5= 31.25 cm²

Correct option is C

4 0
2 years ago
Read 2 more answers
The line that passes through the point (-4, 2) and has a
xxMikexx [17]

Answer:

y = 2x + 10

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2 , then

y = 2x + c ← is the partial equation

To find c substitute (- 4, 2 ) into the partial equation

2 = - 8 + c ⇒ c = 2 + 8 = 10

y = 2x + 10 ← equation of line

3 0
2 years ago
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