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GarryVolchara [31]
2 years ago
7

The Kelly's are having a dinner at a local restaurant. Mr. Kelly wants to give the server is 15% gratuity, and the sales tax is

6.5%. He will use the amount of the bill to find each additional amount. By what percent does the cost of the meal increase with tax and gratuity?
Mathematics
1 answer:
oksano4ka [1.4K]2 years ago
7 0

Answer:5

Step-by-step explanation: because it is

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A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 29 ​pennies, 13 ​dimes, and 21 quarters. The rest of the
aleksklad [387]

Answer:

First Question: <u>63 coins are not nickels.</u>

Second Question: <u>63+n=91</u>

Step-by-step explanation:

For your first question: 29+21=50 and 50+13=63. 63 coins are not nickels.

For your second question: You can do 29+21+13+n=91, I just simplified and said 63+n=91. You can choose.

Hope that this helps! Good luck with what you're working on!

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Which values of m and b will create a system of equations with no solution? choose 1 options.
hichkok12 [17]

Answer:

The graph of a linear equation is a straight line.  The "solution" to a system of two linear equations is the point where the two lines cross.  If the two lines are parallel, they never cross; hence parallel lines have no solution.  Two lines are parallel if they have the same slope (the m value in y = mx+b).  One of your equations is y = -2x + (you left the y-intercept out).  The slope is -2.  So any line with a slope of m = -2 will be parallel to this line and will not cross it.  The second line also needs a different value of b, the y-intercept.  Otherwise it is the same line and every point is a solution.  So if your equation is:

 

y = -2x + 1

 

Then any equation of the form y = -2x + b, b≠1 will create a system with no solution.  Hence the values of m and b are m = -2, b ≠ 1.

5 0
2 years ago
The ratio of red candies to blue candies is 5:4 in the bag. If there are 20 blue candies in the bag, how many red candies are th
aksik [14]

Answer:

25

Step-by-step explanation:

4/20 is 5 so 5*5 is 25 red candies

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A store sells apples in 5-pound bags for $2.25. If the price per pound is the same, how much money would it cost for a 20-pound
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I’m pretty sure the answer would be $9.00.
EXPLANATION:
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ANSWER: $9.00
7 0
3 years ago
What is the interest you will pay if you borrowed $550 at 8% interest for 3 years?
gogolik [260]

Answer:

132

Step-by-step explanation:

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3 years ago
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