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irakobra [83]
3 years ago
15

Please help, struggling

Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

Option B is correct

No solution

Step-by-step explanation:

Given the system of equation:

3y+3x=2          ......[1]

y+x= 8             ......[2]

We can write equation [2] as

y =8-x

Substitute this in [1] we have;

3(8-x)+3x =2

Using distributive property: a\cdot (b+c) = a\cdot b+ a\cdot c

24-3x+3x = 2

Combine like terms;

24 = 2      false.

⇒ the system of equations does not have any solution.

Using Graphing calculator:

You can see the the graph of the system of equations as shown below:

The graph of the lines do not intersect, so the graphs are parallel and there is no solution.




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Can you please show your work and explain if possible.​
Ksju [112]

Answer:

CHEATING ON CLASSWORK

Step-by-step explanation:

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4 0
3 years ago
If y varies directly as x and y =6 when x =2 ... find y when x=9
nevsk [136]

Answer:

27

Step-by-step explanation:

y = kx, where k is the constant of proportionality.  If x = 2 and y = 6, that constant is determined as follows:

6 = k(2), or k = 3.  Then y = 3x.  When x = 9, y = 27

4 0
3 years ago
several people are sitting evenly spaced around a circular table and the positions are labelled 1, 2 ,3 and so on .The people at
alexandr1967 [171]

12 will be opposite to 24. Then the number of the people are sitting at the table will be 24.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

The several people are sitting evenly spaced around a circular table and the positions are labelled 1, 2, 3 and so on.

The people at positions 3 and 15 are directly opposite each other.

Then the number of the people are sitting at the table will be

1 is opposite to 13

2 is opposite to 14

3 is opposite to 15

Similarly, 12 will be opposite to 24.

Then the number of the people are sitting at the table will be 24.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

7 0
2 years ago
2 Points<br> If F(x) = x - 2, which of the following is the inverse of F(x)?
solniwko [45]

Answer:

f^{-1}(x) = x + 2

Step-by-step explanation:

Let y = f(x) and rearrange making x the subject

y = x - 2 ( add 2 to both sides )

y + 2 = x

Change y back into terms of x, thus

x = y + 2, so

f^{-1}(x) = x + 2

5 0
3 years ago
On a coordinate plane, a curved line with a minimum value of (5.1, negative 7) and a maximum value of (0, 25), crosses the x-axi
liubo4ka [24]

Answer:

<u>The true statement is D</u>

Step-by-step explanation:

The rest of the question is the attached figure and the statement options.

  • A. Over the interval [–4, –2], the local minimum is 0.
  • B. Over the interval [–2, –1], the local minimum is 25.
  • C. Over the interval [–1, 4], the local minimum is 0.
  • D. Over the interval [4, 7], the local minimum is -7.

============================================================

According to the graph, we will check the options:

A. Over the interval [–4, –2], the local minimum is 0.  (<u>Wrong</u>)

Because the minimum is -12

B. Over the interval [–2, –1], the local minimum is 25.   (<u>Wrong</u>)

Because the minimum is 18

C. Over the interval [–1, 4], the local minimum is 0.  (<u>Wrong</u>)

Because the minimum is at x = 4 less than zero

D. Over the interval [4, 7], the local minimum is -7.    (<u>True</u>)

5 0
3 years ago
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