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vagabundo [1.1K]
3 years ago
11

What is the solution to the system of equations?

Mathematics
2 answers:
DaniilM [7]3 years ago
5 0
No solution would be the answer.
german3 years ago
3 0
ANSWER


The given system of equations has no solution.

EXPLANATION

We write the two equations in the slope-intercept form,

y = mx + c


The first equation is
2x - y = 7

We make y the subject to obtain,

y = 2x - 7 -  - (1)

The second equation is already in slope intercept form.


y = 2x + 3 -  - (2)



We can see that the two equations have the same slope but different y-intercept. This implies that, the two equations will never intersect. Therefore the system of equations has no solution.



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Help please! If anyone knows
kiruha [24]
Just substitute the x for each of the values and do the work
8 0
3 years ago
2(2w - 6) + 2(w) = 3(w + 8)
borishaifa [10]

Answer:

w=12

Step-by-step explanation:

4w-12+2w-3w-24=0

3w-36=0

3w=36

w=12

3 0
3 years ago
Solve the system using elimination.
expeople1 [14]

Answer:

(- 9, - 9)

Step-by-step explanation:

Given the 2 equations

3x - 4y = 9 → (1)

- 3x + 2y = 9 → (2)

Adding (1) and (2) will eliminate the term in x

(1) + (2) term by term

(3x - 3x) + (- 4y + 2y) = (9 + 9)

0 - 2y = 18

- 2y = 18 ( divide both sides by - 2 )

y = - 9

Substitute y = - 9 into (1) or (2) and evaluate for x

(1) → 3x + 36 = 9 ( subtract 36 from both sides )

3x = - 27 ( divide both sides by 3 )

x = - 9

Solution is (- 9, - 9)

3 0
4 years ago
Work out the nth of this sequence:
Gekata [30.6K]

Answer:

a_n = -11 +3(n -1)

Explanation:

The nth term of an arithmetic sequence is explicitly defined as a_n = a_1 +d(n -1) where a_1 is the first term of the sequence and d is the the common difference.

From the given first five terms of the sequence we can see that the first term is 11 so a_1 = 11.

The common difference, d, can be calculated by a_n - a_{n -1} so we'll find the common difference of the given sequence by letting n = 2

d = a_2 - a_{2 -1} \\d = a_2 -a_{1} \\d = -8 -(-11) \\ d = -8 +11 \\ d = 3.

Now let's plug everything we know.

a_1 = -11

d = 3

a_n = -11 +3(n -1)

6 0
3 years ago
For homework, Brooke has 15 math problems, 5 social studies problems, and 9 science problems. Use mental math to determine how m
koban [17]

Answer:

29 homework problems

Addition Property was used

Step-by-step explanation:

15+5=20+9=29

Addition

8 0
4 years ago
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