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avanturin [10]
3 years ago
7

What do you do when you must solve a system of equations by elimination but all of the coefficients on the variables are differe

nt? What is important to remember when doing this?
Mathematics
1 answer:
N76 [4]3 years ago
3 0
<span>The coefficients are of no consequence. Just find a way to make it what you want. Please provide an example of what is troubling you and why you think it is trickier than those you already have solved.</span>
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5, 8, II, 14 ...<br>The pattern is<br>Next 2 terms =​
QveST [7]

Answer:

the next two terms are 17, 20

Step-by-step explanation:

add 3 to each term

Example

5+3 = 8

8+3= 11

11+3= 14 etc.

4 0
3 years ago
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The graph and the equation show the relationship between gas price and amount of gas purchased for two different stations. Which
Helga [31]

We are unable to answer this question without being able to see the graph.

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You were just hired as an apprentice architect. Your starting salary is $68,000 annually. What is your semimonthly salary
Vikki [24]
Annual = $68,000
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8 0
3 years ago
I need the answer asap, will mark brainliest
tino4ka555 [31]

Answer:

I would say (-1,1)

Step-by-step explanation:

hope this helpsn

6 0
3 years ago
Polygons ABDC and A′B′D′C′ are shown on the following coordinate grid:
weeeeeb [17]

Answer: A

Step-by-step explanation:

Let's first review how turning about the origin changes a point's coordinates:

After rotating and translating some points, one can see the following pattern:

  • 180° Rotation: (x,y) -> (-x,-y)
  • 90° Clockwise Rotation: (x,y) -> (y, -x)
  • 90° Counter-clockwise Rotation: (x,y) -> (-y, x)
  • Translation <em>a</em> units to the left: (x, y) -> (x-a, y)

Using these patterns will make it much easier to find the correct series of transformations than graphing each one.

A: A 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

Using the patterns found above, this set of transformations would make (x,y) move first to (-y, x), then (-y-1, x).

  • A(2,-2) -> A'(1,2)
  • B(4,-2) -> B'(1,4)
  • D(5,-3) -> D'(2,5)
  • C(1,-3) -> C'(2,1)

B: A translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then to (-y, x-1)

  • A(2,-2) -> A'(2, 1)
  • B(4,-2) -> B'(2,3)
  • D(5,-3) -> D'(3,4)
  • C(1,-3) -> C'(3,0)

C: A 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the left

This would make (x,y) move first to (y, -x), then (y-1, -x)

  • A(2,-2) -> A'(-3, -2)
  • B(4,-2) -> B'(-3,-4)
  • D(5,-3) -> D'(-4, -5)
  • C(1,-3) -> C'(-4, -1)

D: A translation 1 unit to the left followed by a 270-degree counterclockwise rotation about the origin

This would make (x,y) move first to (x-1,y), then (y, -x+1)

  • A(2,-2) -> A'(-2, -1)
  • B(4,-2) -> B'(-2, -3)
  • D(5,-3) -> D'(-3, -4)
  • C(1,-3) -> C'(-3, 0)

Therefore, the answer is A, as only it correctly matches to polygon A'B'D'C'.

5 0
2 years ago
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