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Nat2105 [25]
3 years ago
6

19. 5x – 3y = -3 2x + 6y = 0

Mathematics
1 answer:
Neporo4naja [7]3 years ago
3 0

Answer:

x=-1/2, y=1/6

Step-by-step explanation:

Use system of equations.

(5x – 3y = -3) *2 to get:

(10x-6y=-6)

+2x + 6y = 0

12x=-6

x=-1/2

Use either equation to find y with the x value we just found.

5(-1/2)-3y=-3

(-5/2)-3y=-3

-3y=-3+(5/2)=(-6/2)+(5/2)

-3y=(-1/2)

y=(-1/2)/(-3)

y=1/6

You can also check this on graphing websites to see where they intersect.

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I need to know how to analysis this
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This triangle is separated into two right triangles
if AB=BD(given) so the hypotenuses are congruent

one of the sides is same between the right triangles (BC)

so according to HL theorem, if the hypotenuses and one of the sides (except hypotenuse) between two or more right triangles are congruent to each other
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7 0
3 years ago
What is the output of this function when the input is 2
user100 [1]

If we say that this linear function is f(x), then the input of the function would be defined by x, which is 2 in this case.

This basically means we are finding f(x) when x is 2, or f(2), or in layman's terms, what the y value is when x is 2.

If we find 2 on the x-axis, and see where the line is on the y-axis, we see that when the input of the function is 2, the output is -6.

Hope this helps!

5 0
3 years ago
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Which of the following are valid names for the given triangle? Check all that
aniked [119]

Answer:

I think it's just E.

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3 0
3 years ago
500 $89 at Amazon at Walmart it's $477.89 what is the difference
True [87]

Answer:

$23.

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To find the difference between the its in cost at Amazon to cost at Walmart.

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3 0
3 years ago
PLS HELP, HAVE A GOOD DAY
Snowcat [4.5K]

Answer:

\frac{\pi }{4} +\frac{\pi }{2} n,  where n∈Z.

Step-by-step explanation:

2sin²x-1; ⇒ sin²x=1/2;

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4 0
2 years ago
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