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k0ka [10]
3 years ago
6

A total of 516 tickets were sold for the school day. There were either adult tickets or student tickets. The number of student t

ickets sold was three times the number of adult tickets were sold?
Mathematics
2 answers:
prisoha [69]3 years ago
6 0

Answer:

Step-by-step explanation:

s=3a

t=s+a

t=516

now lets use 3a instead of s.

516=3a+a

516=4a

a=129 (adult)

s=3(129)

s=387 (student)

saveliy_v [14]3 years ago
3 0
Same answer as the one above !
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Liz is a jewelry artist selling necklaces at the New Castle Farmers Market. It costs $135 to rent a table at the Farmers Market.
adelina 88 [10]

Answer:

Step-by-step explanation:

a. no. 9 x 15 = 135, so if she sells more than 15 necklaces, she'll make a profit

b. 50n > 135 + 4.50n

8 0
2 years ago
Solve 2x2 8x - 12 = 0 by completing the square. show step-by-step solution
malfutka [58]
Group x terms
(2x^2+8x)-12=0
undistribute 2
2(x^2+4x)-12=0
take 1/2 of 4 and square it, add negative and positive of it insde (2^2=4)
2(x^2+4x+4-4)-12=0
factor perfect square
2((x+2)^2-4)-12=0
distribute
2(x+2)^2-8-12=0
2(x+2)^2-20=0
add 20 to both sides
2(x+2)^2=20
divide both sides by 2
(x+2)^2=10
sqrt both sides, remember to take positive and negative root
x+2=+/-√10
minus 2 both sides


x=-2+√10 and -2-√10
8 0
3 years ago
6/7 divided by 12 or 12/1
aksik [14]
 6/7 divided by 12/1 =
6/7 times 1/12=
6/84
1/ 14
6 0
3 years ago
What is the distance between the points (7, −10) and (−8, −10)?
dezoksy [38]

Answer:

15

Step-by-step explanation:

gradient=(change in Y coordinate/change in X coordinate)

=y1-y2/X1-X2

6 0
2 years ago
Read 2 more answers
8. (03.02 MC)
denis-greek [22]

Answer:

  -2

Step-by-step explanation:

Put the given value in the equation and solve for x.

  f(x) = 12

  f(x) = 2(x +8)

  12 = 2(x +8) . . . . . use 12 for f(x)

  6 = x +8 . . . . . . . . divide by 2

  -2 = x . . . . . . . . . . subtract 8

7 0
3 years ago
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