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Ugo [173]
3 years ago
6

Jefferson middle school is selling tickets to a choral performance. On the first day of ticket sells they sold 4 adult tickets a

nd 1 child ticket for a total of 55 dollars on the next day of sales they sold 3 adult ticks and 2 child tickets for a total of 50 dollars find the price of an adult and child ticket
Mathematics
1 answer:
scoundrel [369]3 years ago
6 0

Answer:

Adult is $12 and child is $7

Step-by-step explanation:

Adult=x and Children=y

first day: 4x+1y=55

second: 3x+2y=50

Get one letter the same but opposite

(4x+1y=55) times that by -2

-8x+-2y=110

3x+2y=50

minus all of that u get

-5x=60

divide 60 by 5

x=12

fill in X

3(12)+2y=50

36+2y=50

-36       -36

2y=14

/2    /2

y=7

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Katyanochek1 [597]
Answer

Area = 35cm^2

Explanation

Area of a parallelogram = b•h

In this question, we are given the values:

H = 5cm

B = 7cm

Therefore, the area is 5 x 7

= 35 cm^2

~Hoodini, Hope this helps.
5 0
3 years ago
VAN purchased a DVD player on sale. The original selling price was ​$171.50. The sale price was ​$146.35. What is the first step
snow_tiger [21]
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If you add 60
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3 years ago
Pedestrian or bicycle $0.50
Zielflug [23.3K]
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3 years ago
Given the trinomial, what is the value of the coefficient 'B' in the factored form?
Zepler [3.9K]

Answer:

B=9  (I'll solve right now, just so you get the answer)

Step-by-step explanation:

2x^2+14xy-36y^2=2(x+By)(x-2y)

Expand right side by distributing

(2x+2By)(x-2y)

Use the FOIL method to simplify (first, outside, inside, last):

(a+b)(c+d)=ac+ad+bc+bd

(2x*x)+(2x*(-2y))+(2By*x)+(2By*(-2y))\\\\

Simplify

2x^2-4xy+2Byx-4By^2

Re-insert

2x^2+14xy-36y^2=2x^2-4xy+2Byx-4By^2

Cancel out 2x^2

14xy-36y^2=-4xy+2Byx-4By^2

Move all terms to one side

14xy-36y^2+4xy-2Byx+4By^2=0

Simplify

18xy-36y^2-2Byx+By^2=0

Factor out the common term 2

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Step-by-step explanation:

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