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ipn [44]
3 years ago
14

5.If the median annual salary for 4 employees is $60,000, then which of the following must be true? A. 2 people earn $60,000 a y

ear or less, and 2 people earn $60,000 a year or more. B. 2 people earn less than $60,000 a year, and 2 people earn more than $60,000 a year. C. At least one person earns exactly $60,000 a year. D. The mean and mode are also $60,000.
Mathematics
1 answer:
Reika [66]3 years ago
4 0
The answer to your question would be D.

there is no way to tell if any of the other options are true or not so the only possible choice would be D.

Hope this helps! :)
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Finding an Equation of a tangent Line in Exercise, find an equation of the tangent line to the graph of the function at the give
frutty [35]

Answer:

y=\dfrac{3x}{e}+\dfrac{4}{e}

this is the equation of the tangent at point (-1,1/e)

Step-by-step explanation:

to find the tangent line we need to find the derivative of the function g(x).

g(x) =e^{x^3}

  • we know that \frac{d}{dx}(e^{f(x)})=e^{f(x)}f'(x)

g'(x) =e^{x^{3}}(3 x^{2})

g'(x) =3 x^{2} e^{x^{3}}

this the equation of the slope of the curve at any point x and it also the slope of the tangent at any point x. hence, g'(x) can be denoted as 'm'

to find the slope at (-1,1/e) we'll use the x-coordinate of the point i.e. x = -1

m =3 (-1)^{2} e^{(-1)^{3}}\\m =3e^{-1}\\m=\dfrac{3}{e}

using the equation of line:

(y-y_1)=m(x-x_1)

we'll find the equation of the tangent line.

here (x1,y1) =(-1,1/e), and m = 3/e

(y-\dfrac{1}{e})=\dfrac{3}{e}(x+1)\\y=\dfrac{3x}{e}+\dfrac{3}{e}+\dfrac{1}{e}\\

y=\dfrac{3x}{e}+\dfrac{4}{e}

this is the equation of the tangent at point (-1,1/e)

3 0
3 years ago
Otis paints the interior of a home for $45 per hour plus $75 for supplies. Shireen paints the interior of a home for $55 per hou
riadik2000 [5.3K]

Step-by-step explanation:

you should only make one equation:

75 + 45x = 30 + 55x

subtract the 30 frim both sides, then subtract 45x from both sides. you are left with:

45 = 10x

Divide by 10 and get:

4.5 = x

After 4.5 hours, the cost is equal for either worker.

8 0
3 years ago
Read 2 more answers
Please help!!<br> (This is Algebra 1!)
yKpoI14uk [10]

Answer:

$242.78

Step-by-step explanation:

Given :

Room cost for 1 night = $199

Tax rate = 22% or 0.22

Tax for room for 1 night = 0.22 x $199 = $43.78

Total cost for one night,

= room cost + tax

= $199 + $43.97

= $242.78

5 0
3 years ago
A- y= -3/2x+8<br> B- y=3/2x+5<br> C- y=2/3x+8<br> D- y=-2/3x+5
Annette [7]

Answer:

I think the right answer is B.

4 0
3 years ago
Megan expects to save an average of 5 dollars per
ivolga24 [154]

Answer:

Step-by-step explanation:

Ordered pair (0, 0) & (0.5, 2.5)  will fall on the line of graph

Step-by-step explanation:

Megan expects to save an average of 5 dollars per week from her babysitting earnings.

=> Saving Per  week  = 5 $

Saving in 0.5 Week = 0.5 * 5 = 2.5 $

hence ordered pair (0.5, 2.5)  will fall on the line of graph

Saving in 3 Week = 3 * 5 = 15 $

Hence (3, 18) will not fall on  line

Saving in 0 Week = 0.5 * 0 = 0 $

hence ordered pair (0, 0)  will fall on the line of graph

Saving in 4.5 Week = 4.5 * 5 = 22.5 $

Hence (4.5, 30) will not fall on  line

3 0
3 years ago
Read 2 more answers
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