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ryzh [129]
3 years ago
14

Zoe is going to the skateboard park with a group of friends. Each ticket cost £8.50 each. Tickets purchased in pairs cost £7.50

each. What is the least amount of money it will cost to buy 19?
Mathematics
1 answer:
Gwar [14]3 years ago
6 0
71.25 . First, I did 19/2 = 9.5. Then, I multiplied 9.5 by 7.50 to get 71.25
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What is the center and radius of the circle? *<br> x² – 2x + 5+ y² = 8
wolverine [178]

Answer: center (1;0), radius = 2

Step-by-step explanation:

x² – 2x + 5+ y² = 8

x² – 2x + 5+ y² = x² – 2x + 1 + 4 + y² = (х-1)² +4 + y²

(х-1)² +4 + y² = 8

(х-1)² + y² = 8 - 4 = 4

(х-1)² + y² = 2²

center (1;0), radius = 2

5 0
3 years ago
$725 before sales tax of 6% was added. How much was the sales tax?
likoan [24]

Answer: $768.50

Step-by-step explanation:

If $725 was the price before sales tax, $768.50 would be the total amount after the 6% sales tax increase.

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4 0
2 years ago
HELP ME PLZZ I NEED HELP WITH THIS!!
Aleonysh [2.5K]

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its the second one

Step-by-step explanation:

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2 years ago
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2. The ground below your feet moves at the rate at which
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3 years ago
Sam has $440 in $20, $10, and $5 dollar bills. The number of twenties, tens and fives are consecutive integers in this order. Ho
Ludmilka [50]

Answer: There are 12 bills for $20, 13 bills for $10 and 14 bills for $5.

Step-by-step explanation:

Let the number of twenties be x

Let the number of tens be x+1

Let the number of fives be x+2

Amount from twenties will be given as

20\times x=20x

Amount from tens will be given as

10\times (x+1)=10x+10

Amount from fives will be given as

5\times (x+2)=5x+10

According to question,

20x+10x+10+5x+10=440\\\\35x+20=440\\\\35x=440-20\\\\35x=420\\\\x=\frac{420}{35}\\\\x=12

So, there are 12 bills for $20, 13 bills for $10 and 14 bills for $5.

6 0
3 years ago
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