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shepuryov [24]
3 years ago
7

Find the root 2x2 + x-4 = 0

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:4

Step-by-step explanation:

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One number is five more than another. If their sum is increased by nine, the result is 60. Find the numbers.
svlad2 [7]

Answer:

The two numbers are 23 and 28

Step-by-step explanation:

We are given that

X = Y + 5\\and\\(X+Y) + 9 = 60\\X+Y = 51\\(Y+5) + Y = 51\\2Y + 5 = 51\\2Y = 46\\Y = 23\\\\X = Y + 5\\X = 23 + 5\\X = 28

4 0
3 years ago
If the equation y = 1/6(x + 12) were graphed in the xy-plane, which of the following statements would be true of the graphed lin
oksano4ka [1.4K]
The answer would be B it would be parallel to the graph of 12y = 2x + 3
3 0
3 years ago
BRAINLIEST FOR RIGHT ANSWER!!! The graph shows two lines, A and B. (IMAGE BELOW) How many solutions are there for the pair of eq
Veronika [31]

Answer:

1 solution; (1,4)

Step-by-step explanation:

Whenever two lines intersect, their solution is the point that the two share in common. Here, it's (1,4), so that is the answer.

8 0
3 years ago
Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.
Oxana [17]

Answer:

6m + n + 2

Step-by-step explanation:

[7m + 3n - 11 - 2m] + [n + 5 - -m - 3n + 8]

[5m + 3n - 11] + [n + 5 + m - 3n + 8]

5m + 3n - 11 + (-2n + 13 + m)

5m + 3n - 11 - 2n + 13 + m

6m + n + 2

3 0
3 years ago
What is the answer to 4x+y=10
Alina [70]

Answer:

y = -4x + 10

Step-by-step explanation:

I am going to assume you are trying to write the equation of a line.

4x + y = 10

4x - 4x + y = 10 - 4x

y = -4x + 10

7 0
3 years ago
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