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andrew11 [14]
4 years ago
12

Line M is represented by the following equation: x – y = 8 Which equation completes the system that is satisfied by the solution

(18, 10)? (4 points) 2x – y = 26 x + y = 18 2x – 2y = 36 x – y = –28
Mathematics
1 answer:
Alja [10]4 years ago
7 0

Answer:

8. y = x + 3 y = 2x + 4. SOLUTION: The graphs intersect at one point, so there is ... 10. y = 6 y = 3x + 4. SOLUTION: The two equations intersect at exactly one ... 18. y = x − 6 solution. The lines intersect at . 18. y = x − 6 y = x + 2. SOLUTION: ... 2x + 2y = 6 ... 28. y = 6x + 6 ... of the following systems of equations doesn't belong.

Step-by-step explanation:

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- {(-3, 3), (1, 1), (0, -2), (1,-4), (5, -1)}<br><br> Function?
Dmitry [639]

Answer:

Step-by-step explanation:

It is not a function. (1,1) and (1,-4) are both points on the graph.

4 0
3 years ago
The population of a city increases by 2.2% per year. If this year's population is 230,000, what will next year's population be,
ahrayia [7]

Answer:

235,060

Step-by-step explanation:

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4 0
2 years ago
What is the formula of the sequence 3, 6, 10, 15, 21?​
AleksAgata [21]

Answer:

Tn=12n(n+1)

Step-by-step explanation:

Explanation:

These are the triangular numbers - each term in the sequence being the sum of the first n positive integers:

T1=1=1

T2=3=1+2

T3=6=1+2+3

etc.

Notice that:

2Tn=(0)+1+(0)+2+...+(n−1)+(0)+n

2Tn+(0)+n+(n−1)+...+(0)+2+(0)+1

2Tn=(n+1)+(n+1)+...+(n+1)+(n+1)

2Tn=n(n+1)

So:

Tn=12n(n+1)

3 0
2 years ago
Read 2 more answers
Is one half equal to 7/12
yuradex [85]
We can chang efractions to compare them by multiplying them by 1 or x/x where x=x so

1/2=7/12?
make bottom numbers equal
2 times what=12
divide 2
what=6

1/2 times 6/6=6/12
6/12=7/12
6=7
false

so therefor it does NOT equal 7/12
3 0
4 years ago
Read 2 more answers
Use the elimination method to solve this system.
leva [86]

Answer:

The solution for this system is: x = -1, y = 1

Step-by-step explanation:

The problem states that we have to solve this system by the elimination method

In the elimination method, we transform the system in such a way that one variable can cancel each other. With this, we find the result of the other variable. Then, we can replace the variable we found in any of the equations, and we have the value of the variable that we had initially canceled.

In this problem, we have the following system:

1) -6x + 5y = 1

2) 6x + 4y = -10

If we add equations 1) and 2), the variable x is going to be eliminated

1) + 2)

-6x + 6x + 5y + 4y = 1 - 10

9y = -9

y = \frac{-9}{9}

y = -1

Now, we can replace the value of y in any of the equations, to find x:

I will replace in equation 2)

6x + 4y = -10

6x + 4(-1) = -10

6x = -6

x = \frac{-6}{6}

x = -1

The solution for this system is: x = -1, y = 1

5 0
3 years ago
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