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disa [49]
3 years ago
12

. You and a friend have dinner at a restaurant . Your meal costs $15.85 and you leave an 18% tip and your friend's meal cost $14

.30 and he leaves a 20% tip. What is the difference in their total bills?
Mathematics
1 answer:
Allushta [10]3 years ago
3 0

Answer:

$1.54

Step-by-step explanation:

18% of $15.85 is 2.853, so your total is $18.703

20% of $14.30 is 2.86, so their total is $17.16

So the difference is $1.543, rounded (since your dealing with money) would be $1.54

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Team D's car went the same distance on each of its trials. Team C's car went exactly 1 cm farther in each trial than Team D's ca
mezya [45]

Answer:

180 cm

Step-by-step explanation:

Number of trials per team = 3

Distance per trial for team D's car is the same for each trial, let distance = x

Distance per trial for team C's car is 1cm farther than team D's distance and the same for each trial, hence, distance = x + 1 per trial

Total distance traveled by C = 543 cm

This means :

(x + 1) + (x + 1) + (x + 1) = 543

3x + 3 = 543

3x = 543 - 3

3x = 540

x = 540 / 3

x = 180

Hence, distance traveled per trial for team D's car = x = 180 cm

8 0
3 years ago
Simplify.<br> c) <img src="https://tex.z-dn.net/?f=%5Csqrt%7B25%2B10%5Csqrt%7B5%7D%20%2B5%20%7D" id="TexFormula1" title="\sqrt{2
tatyana61 [14]

Answer:

  • 5+\sqrt{5}

Step-by-step explanation:

Both are essentially same questions, considering 30 = 25 + 5.

<u>Solving c)</u>

  • \sqrt{25+10\sqrt{5} +5} =
  • \sqrt{5^2+2*5*\sqrt{5} +(\sqrt{5} )^2} =
  • \sqrt{(5+\sqrt{5} )^2} =
  • 5+\sqrt{5}
8 0
3 years ago
Read 2 more answers
1) To the nearest tenth of a foot, what is the distance from the wall to
steposvetlana [31]

Answer:

1) B

2) 4.5 feet

Step-by-step explanation:

Please see the attached picture for the full solution.

6 0
3 years ago
Kim’s hair grows a half inch per month. How many months will it take for her hair to grow 12 inches?
Contact [7]

Answer:

24 months

Step-by-step explanation:

Cross-multiply

0.5 inches -------------- 1 month

12 inches ---------------- x months

0.5/12 = 1/x ===> 0.5x = 12 ===> x = 12/0.5  ===> x = 24 months

3 0
3 years ago
11 hours 18 min 36 sec to hours
zlopas [31]
I'm not really sure about this math but I tried to answer it for you

1)Convert 11 hours to minutes = 660 minutes. 11 hours x 60 mins=660
2)Add the 18 minutes to 660 =678 minutes
3) 678 divided by 60 mins = 11.3 hours, but we still have the 36 seconds remaining so I didn't exactly divide 678 minutes by 60, but I divided 678.36 by 60 which gave me 11.306 hours.

That's it I truly apologise if this is wrong. But if you figure out the right method please show me and others who may have done it this way or another way, so please share. GOOD LUCK.
7 0
4 years ago
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