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Rashid [163]
3 years ago
11

HELP...... which is a solution of the equation? 2x - y = 0

Mathematics
1 answer:
Lena [83]3 years ago
6 0

All we need to do is plug the numbers into the equation.


A:

2(3)--1=0\\6--1=0\\7\neq0

Not A.

B:

2(2)--4=0\\4--4=0\\8\neq0

Not B.

C:

2(1)-2=0\\0=0

C is the correct answer

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satela [25.4K]
-1.714 is your answer
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3 years ago
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How to find Co factor of elements of Determinant​
Sophie [7]

Answer:

Step-by-step explanation:

We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get. Now subtract the value of the second diagonal from the first, i.e, 48 – 3 = 45. Check the sign that is assigned to the number

6 0
3 years ago
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zavuch27 [327]
I think the answer is B


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3 0
3 years ago
John is at a local bait shop; he wants to buy bait for his fishing trip. At the store, they are selling live bait for $12 a poun
Monica [59]

The system of inequalities is:  x\geq 3 and 12x+7y\leq 63

<em><u>Explanation</u></em>

Let x  be the amount of live bait and y  be the amount of natural bait.

As John would like to get at least 3 pounds of live bait, so the first inequality will be:  x\geq 3

Given that, price of live bait is $12 per pound and natural bait is $7 per pound. Also, he only has a budget of $63. That means, he can spend maximum $63

So, the cost for buying x pound of live bait =\$12x and the cost for buying y pound of natural bait =\$7y

Thus, the second inequality will be:  12x+7y\leq 63


5 0
3 years ago
Tickets for seniors prom cost $25 for individual tickets and $40 for couples tickets. They collected a total of 2500 from ticket
quester [9]

Answer: 20

Step-by-step explanation:

Given

The cost of an individual ticket is $25

The cost of a couple's ticket is $40

The total sale is $2500

total ticket sold is 70

Suppose there are x individuals and y couples

\therefore x+y=70\quad \ldots(i)\\\\25x+40y=2500\quad \ldots(ii)\\\text{Solving }(i)\ \text{and}\ (ii)\ \text{we get}

x=20,y=50

So, they sold 20 tickets of the individual.

8 0
3 years ago
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