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Nady [450]
3 years ago
12

I don't know how to do completing the square questions in math

Mathematics
1 answer:
crimeas [40]3 years ago
4 0
Square as in square roots?

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A school sells 712 tickets for a talent show. Adult tickets cost $8 each, and children's tickets cost $4 each. A total of $4,256
zhenek [66]

Answer:

B

x + y = 712

8x + 4y = 4,256

Step-by-step explanation:

If x=the amount of adult tickets, and y=the amount of children's tickets, then the total amount of tickets (712) should be x+y. Our first equation: x+y=712

The total made from adult tickets is found by multiplying the amount of tickets by the price per ticket: 8x. The total made from children's tickets is found by multiplying the amount of tickets by the price per ticket: 4y.The total amount of money made (4256) is the sum of the amount made by adult tickets (8x) and the amount made by children's tickets (4y). Our second equation: 8x+4y=4256

4 0
3 years ago
you deposit $1600 in a bank account. find the balance after 3 years if the account pays 1.75% annual interest compounded quarter
professor190 [17]

9514 1404 393

Answer:

  $1686.05

Step-by-step explanation:

The amount with compound interest is ...

  A = P(1 +r/n)^(nt)

for principal P earning annual rate r compounded n times per year for t years.

  A = $1600(1 +0.0175/4)^(4·3) = $1686.05

The balance after 3 years is $1686.05.

7 0
3 years ago
Read 2 more answers
the larger of two number is nine more than four times the smaller number. the sum of the two numbers is fifty-nine. find the two
VLD [36.1K]
This is solved by setting up two equations and then using one to answer the other.
The first step (use what is given to set up the two separate equations)
We are looking for two numbers, let us call them X and Y. 
We are told that X + Y = 59
 We are also told that (9 more than) 9+ (4times the smaller number) 4Y is the bigger number X
Then we combine that into 9+4Y=X
so we now have two separate equations and we can use one to solve the other. Everywhere we have X in the first equation, we will fill in with the second equation
(9+4Y) +Y = 59    [then combine like terms]
9+5Y=59            [subtract 9 from both sides]
5Y=50                   [divide both sides by 5 to isolate the Y]
Y=10                      [now plug this into either equation to solve for X]
9+4(10)=X
9+40=X
<u><em>49=X and 10=Y</em></u>
4 0
3 years ago
Number 11 and 12 please!
balandron [24]

Answer:

x = 74

p = 133

Hope this helps!

7 0
3 years ago
Find the value of y that makes each equation true for all values of x.
Soloha48 [4]
Okay I'm a little lost because of the . next to the 2 but if they are separate your answers would be 

3x+6x=yx (x=0) 

c+5+11=12+7 (x=x=−y+c+5+<span>
</span>
3 0
3 years ago
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