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katen-ka-za [31]
3 years ago
15

The following graph represents the cost and revenue functions for custom made computers. How many computers have been sold at th

e break even point?
A.12
B.9
C.5
D.0

Mathematics
2 answers:
svetlana [45]3 years ago
5 0
The answer is A) 12
Hope this helped
Pls give me brainlest
Natalija [7]3 years ago
4 0

Answer:

Option A. is the answer.

Step-by-step explanation:

In the graph attached red colored line is representing the cost function for the custom made computers.

Similarly green line is representing the revenue function.

Now we know break even point is no profit no loss point.

So to get the break even point we will get a common point lying on both the lines shown in the graph.

From the graph we get (12, 9) as the break even point, that comes after the sales of 12 computers.

Therefore, option A. 12 is the answer.

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on a recent business trip you must stay at a hotel for 3 nights the motel charges 69 per night what is your total bill
Setler [38]
3(69) = $ 207 <== ur answer
3 0
4 years ago
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A simple random sample of size nequals17 is drawn from a population that is normally distributed. The sample mean is found to be
IRINA_888 [86]

Answer:

95% confidence intervals about the population mean is

(51.7656 , 60.2344)

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given random sample of size 'n' =17

Given mean of the sample 'x⁻' = 56

Given standard deviation of sample 's' = 10

95% confidence intervals about the population mean is determined by

(x^{-} - t_{0.05} \frac{s}{\sqrt{n} } ,x^{-} + t_{0.05} \frac{s}{\sqrt{n} } )

Degrees of freedom

ν = n-1 = 17-1 =16

t₀.₀₅ = 1.7459  (from t-table)

<u><em>Step(ii):-</em></u>

95% confidence intervals about the population mean is determined by

(x^{-} - t_{0.05} \frac{s}{\sqrt{n} } ,x^{-} + t_{0.05} \frac{s}{\sqrt{n} } )

(56 - 1.7459 \frac{10}{\sqrt{17} } ,56 + 1.7459 \frac{10}{\sqrt{17} } )

( 56 - 4.2344 , 56 + 4.2344)

<em>(51.7656 , 60.2344)</em>

<u>Conclusion:</u>-

<em>95% confidence intervals about the population mean is </em>

<em>(51.7656 , 60.2344)</em>

4 0
3 years ago
  hurry please! 20 points. Find the measure of angle θ. Round your answer to the nearest tenth place.
ElenaW [278]

Answer:

Angle θ would be about 17.1 degrees.

Step-by-step explanation:

To figure out what Angle θ is, first we have to find the hypotenuse. You can easily do that by find the square root of BC² + AC².

c = √4² + 13²

Square 4 and 13 to get 16 and 169 respectively.

c = √16 + 169

Add 16 and 169 to get 185.

c = √185

Find the square root of 185 (I'll round to the nearest tenth.)

c = 13.60147 ≈ 13.6 units

To find angle β, divide AC by AB and find the inverse sine of that.

β = arcsin(13/13.6)

Divide 13 by 13.6. Round to the nearest thousandth.

β = arcsin(0.955)

β ≈ 1.2723 rad

To convert radians to degrees, multiply the radians by 57.2957795 for an approximate amount.

β ≈ (1.2723 * 57.2957795)°

β ≈ 72.8974203 ≈ 72.9 degrees

Now subtract 72.9 from 90 to get angle θ's measure of 17.1 degrees.

4 0
3 years ago
Find the product of (5x+4)(5x-4)
nydimaria [60]

Answer:

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Step-by-step explanation:

Given

(5x + 4)(5x - 4)

Each term in the second factor is multiplied by each term in the first factor, that is

5x(5x - 4) + 4(5x - 4) ← distribute parenthesis

= 25x² - 20x + 20x - 16 ← collect like terms

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6 0
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Ivanshal [37]

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Step-by-step explanation:

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-8=1/2(4)+b

-8=2+b

-10=b

y=1/2x-10

4 0
3 years ago
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