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kotykmax [81]
3 years ago
5

1. Find a solution to the following system of equations. -3x +3y = -9 -3x + y = 7

Mathematics
1 answer:
Softa [21]3 years ago
3 0
X=-5 y=-8
subtract the equation and then substitute it in
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The function fx) =ax-4 will never cross the x-axis if a is positive.<br> A. True<br> B. False
boyakko [2]

Answer:

False because a linear equation always crosses the x axis (unless x is zero, which it isn't in this case).

8 0
3 years ago
The price of an item has been reduced by 10%. The original price was $51. What is the prince of the item now?
AlekseyPX

Answer:

The new price is 45.90

Step-by-step explanation:

The original price is 51

Find the discount of 10 %

51*10%

51*.10

5.1

Subtract this from the original price

51- 5.1

45.9

The new price is 45.90

4 0
2 years ago
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Which of the following is NOT a random sample of the population of people who subscribe to a particular magazine?
Verdich [7]

Answer:

D)

Step-by-step explanation:

Every tenth person will get it no matter what, every time. The order will not change.

4 0
3 years ago
What is the graph for {3x+5y&lt;10 {x-y&lt;=1
Nostrana [21]
Sounds to me as tho you are to graph 3x+5y<10, and that after doing so you are to restrict the shaded answer area created by the "constraint" inequality x≤y+1.    OR x-1 ≤ y   OR  y≥x-1.  If this is the correct assumption, then please finish the last part of y our problem statement by typing   {x-y<=1}.

First graph 3x+5y = 10, using a dashed line instead of a solid line.

x-intercept will be 10/3 and y-intercept will be 2.  Now, because of the < symbol, shade the coordinate plane BELOW this dashed line.

Next, graph y=x-1.  y-intercept is -1 and x intercept is 1.  Shade the graph area ABOVE this solid line.

The 2 lines intersect at (1.875, 0.875).  To the LEFT of this point is a wedge-shaped area bounded by the 2 lines mentioned.  That wedge-shaped area is the solution set for this problem.
6 0
4 years ago
FREEEEEEEEEEEEEEEEEE POINTSSSSSSSSSSSS​
kondor19780726 [428]

Answer:

omg tanks u so much ^-^

3 0
3 years ago
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