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earnstyle [38]
3 years ago
6

What type of system is the following set of equations?

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0
-3x+y=-2 \\
y-4=-6x \ \ \ |\times (-1) \\ \\
-3x+y=-2 \\
\underline{-y+4=6x} \\
-3x+y-y+4=6x-2 \\
-3x+4=6x-2 \\
-3x-6x=-2-4 \\
-9x=-6 \\
x=\frac{-6}{-9} \\
x=\frac{2}{3} \\ \\
y-4=-6 \times \frac{2}{3} \\
y-4=-4 \\
y=-4+4 \\
y=0 \\ \\
(x,y)=(\frac{2}{3},0)

The system has one solution so it's A. consistent and independent.
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steposvetlana [31]
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4 years ago
Write down the first term in the sequence given by: T(n)=n^2+3
Anton [14]

Some people call 'n' "zero" for the first term, others call 'n' "1".

-- If n=0 for the first term, then T(0) =  0² + 3  =  3 .

-- If n=1 for the first term, then  T(1) = 1² + 3  =  4 .
8 0
3 years ago
Read 2 more answers
Solve for x: (x + 50) over 2 = 13x<br><br><br> A x = 2<br> B x = 5<br> C x = 9<br> D x = 13
andriy [413]

Answer:

A

Step-by-step explanation:

Given

\frac{x+50}{2} = 13x

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50 = 25x ( divide both sides by 25 )

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7 0
3 years ago
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A spinner with s equally sized slices has 2 red slices, 2 yellow slices, and 11
Afina-wow [57]

The experimental probability of landing on blue or red is 13/20.

The theoretical probability of landing on blue or red is 13/15.

As the number of spins increases, we expect the experimental and theoretical probabilities to become closer, though they might not be equal.

<h3>What are the probabilities?
</h3>

The experimental probability of landing on blue or red = (number of times the blue slice landed on by Amanda / total number of times the dial was spun) +  (number of times the red slice landed on by Amanda / total number of times the dial was spun)
= 11/20 + 2/20 = 13/20

The theoretical probability of landing on blue or red = (number of blue slices / total number of slices) + (number of red slices / total number of slices)

=  2/15 + 11/15 = 13/15

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

6 0
2 years ago
I need quick help with the second question pls I'll brainlist ​
prisoha [69]

Answer:

i think the answer is 2

Step-by-step explanation:

because it depends on how many brushes u buy so x is how many brushes u buy. and theres the cost

4 0
4 years ago
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