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stepan [7]
2 years ago
13

Find A and B if the graph of Ax + By = 12 passes through (2,1) and is parallel to the graph of 2x - 7y = 3

Mathematics
1 answer:
Ivenika [448]2 years ago
4 0

Answer:

24-21

Step-by-step explanation:

2×12=24 7×3=21 I started from 2×2 towards 2×12 when I got the answer and I started 7×1 towards 7×3

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Nancy found that x = 1 is one solution to the quadratic equation (x + 2)2 = a. What is the value of a?
solniwko [45]

ANSWER

a=9

EXPLANATION

The given quadratic equation is

{(x + 2)}^{2}  = a

If x=1 is a solution, then it must satisfy this equation:

{(1 + 2)}^{2}  = a

{3}^{2}  = a

a = 9

Therefore the value of 'a' is 9

4 0
3 years ago
Read 2 more answers
Three consecutive integers have a sum of 87. Find the integers.
ozzi

Answer:

  • 28, 29, 30

Step-by-step explanation:

<u>Let the integers be x- 1, x and x +1, then:</u>

  • x - 1 + x + x + 1 = 87
  • 3x = 87
  • x = 29

The integers are 28, 29, 30

8 0
3 years ago
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Find the solution set. The solution set for 5v2 – 125 = 0 is?
Blababa [14]
The correct answer is. v=25/2
4 0
3 years ago
Read 2 more answers
Can someone please give me the answer.
statuscvo [17]

Answer:

<em>x = 9</em>

Step-by-step explanation:

Vertical angles are congruent, so their measures are equal.

4x + 6 = 7x - 21

Subtract 7x from both sides.

-3x + 6 = -21

Subtract 6 from both sides.

-3x = -27

Divide both sides by -3.

x = 9

8 0
3 years ago
Read 2 more answers
Q# ..7 match the equation with its graph -4x - 2y =8
prisoha [69]

If you divide by 8, you can put the equation into intercept form. That form is ...

... x/a + y/b = 1

where <em>a</em> and <em>b</em> are the x- and y-intercepts, respectively.

Here, your equation would be

... x/(-2) + y/(-4) = 0

The graph with those intercepts is not shown with your problem statement here. See the attachment for the graph.

3 0
3 years ago
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