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UNO [17]
3 years ago
13

18. During a clothing store's Bargain Days, the regular price for T-shirts is discounted to $8.25.

Mathematics
2 answers:
8090 [49]3 years ago
7 0

Answer:

3.25

Step-by-step explanation:

ehidna [41]3 years ago
7 0

Answer:

3.25

Step-by-step explanation:

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The average cost per unit for the production of a certain brand of DVD is given by C=\frac{500+60c+0.01x^2}{x} , where x is the
Ganezh [65]

Answer:

  A: for 500: 66; for 60: 68.9; for 100: 66

  B: no

Step-by-step explanation:

We assume your average cost function is ...

  \overline{C}=\dfrac{0.01x^2+60x+500}{x}

A. The overline over the C indicates it is an average value.

Evaluating the cost function at the different production levels, we find the average cost per unit to be ...

<u>500 units</u>

  c = ((0.01·500)+60)500 +500)/500 = 65 +1 = 66

<u>60 units</u>

  c = ((0.01·60 +60)·60 +500)/60 = 60.6 +500/60 ≈ 68.93

<u>100 units</u>

  c = ((0.01·100 +60)·100 +500)/100 = 61 +5 = 66

__

B. Dividing out the fraction, we find that the cost per unit is ...

  0.01x +60 +500/x

As x gets large, this approaches the linear function c = 0.01x +60. This <em>increases</em> as the number of units produced rises. (The minimum average cost is at a production level of about 224 units.)

7 0
4 years ago
There were 8 socks of white, green and blue shuffled in a draw. The probability of selecting a white sock is 1/4. What is the pr
katrin2010 [14]

Answer:

P(select green sock) = 1/8

Step-by-step explanation:

If the probability of selecting a white sock is 1/4, then we know there are 2 white socks:  1/4 has the same value as 2 out of 8.

Similarly, we can determine the number of yellow socks:  5/8 is equivalent to 5 out of 8.

Thus, 2 socks are white; 5 are yellow; and the last (the 8th) sock is green.

P(select green sock) = 1/8

8 0
3 years ago
A car crosses a bridge 400 m long at 80km/h. how long does it take to cross the bridge
GREYUIT [131]

Answer:

18 seconds

Step-by-step explanation:

convert km/h to m/s and you get 22.22m/s. Then divide 400 by 22.22 and the answer is 18 seconds.

Hopefully this helps! Let me know if you have any questions!

8 0
3 years ago
Help hurry I only have 2 minutes
leonid [27]
First do 42$ times .30 which is 12.6 . then subtract 42-12.6 which is 29.3 . then do 29.3 * .05 which is 1.465 then add 29.3 and 1.465 which gives you 30.8 (when rounded). so he did have enough money because he has more than 30.8 dollars
8 0
3 years ago
Read 2 more answers
Tony addison obtained a 20-year, $45,000 mortgage loan from united savings with an interest rate of 8.5%. his monthly payment is
Anna007 [38]

As given,  

Loan amount is = $45000

Rate of interest = 8.5%

So, Tony's mortgage will attract an interest of:

45000\times\frac{8.5}{100} = $3825  (this is yearly)

And for 1st month it will be = \frac{3825}{12}=  $318.75  

As given, the first month's payment is $390.60 and this covers the interest Additional amount ($390.60 - $318.75 = $71.85) is a payment against the principle.

Hence, the new principle after the 1st month is $71.85 less than $45000

= 45000-71.85 = $44928.15

Hence, the last option $44928.15 is the correct answer.

4 0
3 years ago
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