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dusya [7]
3 years ago
9

Call Wireless phone company charges $0.50 for the first call you make and $0.10 for each additional minute. The cost of a phone

call can be expressed by the formula C = 0.50 + 0.10(m – 1), where C is the total cost in dollars and m is the number of minutes that you talk. If the bill for your phone call was $1.90, how long did you talk? A. 12 minutes B. 14 minutes C. 15 minutes D. 16 minutes
Mathematics
1 answer:
ikadub [295]3 years ago
4 0
The correct answer is b
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Calculate the length of the hypotenuse
Colt1911 [192]

hypotenuse =sqrt( a^ + b^

10^2 = 100

14^2 = 196

196+100 = 296

 sqrt(296) = 17.20

 Answer is D. 17.20

7 0
3 years ago
Oliva is a stockbrocker. She makes 4% of her sales in commission.Last week,she sold $7,200 worth of stocks.
belka [17]

A) Commission made last week is $ 288

B) Commissions earned in a year,treating a year as having exactly 52 weeks is $ 14976

<em><u>Solution:</u></em>

From given,

Commission rate = 4 %

Last week,she sold $7,200 worth of stocks

<em><u>A. ) How much commission did she make last week?</u></em>

Therefore,

Commission\ amount = 4 \% of\ 7200\\\\Commission\ amount = 4 \% \times 7200\\\\Commission\ amount = \frac{4}{100} \times 7200\\\\Commission\ amount = 4 \times 72\\\\Commission\ amount = 288

Thus commission made last week is $ 288

B)

Given that,

If she were to average that same commission each week

To find the commissions earned in a year, treating a year as having exactly 52 weeks

Therefore,

commissions\ earned\ in\ a\ year = 288 \times 52\\\\commissions\ earned\ in\ a\ year = 14976

Thus commissions earned in a year,treating a year as having exactly 52 weeks is $ 14976

3 0
3 years ago
Triangle ABC is congruent to triangle DEF .
lora16 [44]

AB=DE is a true statement

8 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=6%20%3D%20%20%20%5Cfrac%7Ba%7D%7B4%7D%20%20%2B%202" id="TexFormula1" title="6 = \frac{a}{4}
kvv77 [185]

Multiply by 4 on both sides. This results into:

24 = a + 8

If 8 is substracted in both sides then a would be:

16 = a

5 0
3 years ago
Gerardo made the following scores on his first semester science tests: 80, 85, 85, 87, 97, 100. Which measure would he use in su
Elza [17]

The mean is 89 the median is 86 the mode is 85 Hope this helps!

(technically the mean is like 88.7 so I just rounded up to get 89)

4 0
3 years ago
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