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4 years ago

A plain old black witch hat won't be good enough this year, Wanda

Mathematics

1 answer:

Komok [63]4 years ago

3 0

The answer would be $42.4. $50 minus $10 is $40. Multiply that by 106% because of tax, and you get $42.4.

Hope this helped! :)

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A dish has 212 bacteria in it. The population of the bacteria will grow ata rate of 80% every 2 days. How many bacteria will be

mr_godi [17]

If they are growing 80% for every twodays, it would be 40% for every one day.

Bacteria after 9 days = 212 * 9 * 40 / 100
= 763.2
To round up, the population of bacteria after 9 days would be 763, with a growth rate of 80% for every two days.

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3 years ago

F(x) = 4x2–2x + 1<br> i need help solving this problem and the steps

Shkiper50 [21]

F(x)=2x+3
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3 years ago

Solve this problem. A number c decreased by 9 is less than or equal to 20. Find c.

Lady_Fox [76]

So c-9 is less than or equal to 20 so c is less than or equal to 29. So the correct answer is c. Hope this helps :)

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3 years ago

John is selling tickets to an event. Attendees can either buy a general admission ticket, x,

Masteriza [31]

John sold 18 general admission tickets and 11 VIP tickets.

Step-by-step explanation:

Given,

Cost of each general admission = $50

Cost of each VIP ticket = $55

Total tickets sold = 29

Total revenue generated = $1505

Let,

x represent the number of general admission tickets sold

y represent the number of VIP tickets.

x+y=29 Eqn 1

50x+55y=1505 Eqn 2

Multiplying Eqn 1 by 50

$50(x+y=29)\\50x+50y=1450\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(50x+55y)-(50x+50y)=1505-1450\\50x+55y-50x-50y=55\\5y=55$

Dividing both sides by 5

$\frac{5y}{5}=\frac{55}{5}\\y=11$

Putting y=11 in Eqn 1

$x+11=29\\x=19-11\\x=18$

John sold 18 general admission tickets and 11 VIP tickets.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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3 years ago

the total cost (c) in dollars of renting a car for n days is given by the inequality c >125 +50n. what is the maximum number

Paraphin [41]

H. 6 days
hope this helps!

4 0

4 years ago