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3 years ago

HELP PLZ

Mathematics

2 answers:

koban [17]3 years ago

6 0

Y = -1/2x + 4
x + 2y = -8

x + 2(-1/2x+4) = -8
x + -x + 8 = -8
8 = -8

There correct answer is "no solution"

Grace [21]3 years ago

6 0

Y= -1/2x +4

X +2(-1/2x +4)= -8

X -X +8 = -8

8= -8

no solution

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to advertise o radio,the radio station charges 32naira for the first 10 words and 2naira per word for every additional word.how

o-na [289]

Answer:

Cost for 68 words = 148 naira

Step-by-step explanation:

Given that:

Cost of first ten words = 32 naira

Cost of additional words = 2 naira per word

Let,

x be the number of additional words.

y be the total cost

y = 2x + 32

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6 0

2 years ago

8090 [49]

Answer:

James bought 11 good tickets and 5 bad tickets.

Step-by-step explanation:

Given that:

Cost of each good ticket = $8

Cost of each bad ticket = $5

Total amount spent = $113

Total tickets bought = 16

Let,

x be the number of good tickets bought

y be the number of bad tickets bought

x+y=16 Eqn 1

8x+5y=113 Eqn 2

Multiplying Eqn 1 by 5

5(x+y=16)

5x+5y=80 Eqn 3

Subtracting Eqn 3 from Eqn 2

(8x+5y)-(5x+5y)=113-80

8x+5y-5x-5y=33

3x=33

Dividing both sides by 3

$\frac{3x}{3}=\frac{33}{3}\\x=11$

Putting x=11 in Eqn 1

11+y=16

y=16-11

y=5

Hence,

James bought 11 good tickets and 5 bad tickets.

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2 years ago

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aev [14]

Answer:

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3 years ago