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asambeis [7]
2 years ago
6

Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System BBB \begin{cases}-10x-4y=0\\\

\-2x+7y=8\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ −10x−4y=0 −2x+7y=8 ​ \begin{cases}-10x-4y=8\\\\-2x+7y=0\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ −10x−4y=8 −2x+7y=0 ​ 1) How can we get System BBB from System AAA?
Mathematics
2 answers:
dem82 [27]2 years ago
8 0

Answer:

A

Step-by-step explanation:

and yes

m_a_m_a [10]2 years ago
6 0

Answer:

Its swap out the order of equations and Yes

Step-by-step explanation:

in khan academy

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Y = –3x 6 y = 9 what is the solution to the system of equations? (–21, 9) (9, –21) (–1, 9) (9, –1)
Romashka [77]

we have

<u>The system of equations</u>

y=-3x+6 -------> equation 1

y=9 -------> equation 2

Substitute equation 2 in equation 1

9=-3x+6

subtract 6 both sides

9-6=-3x+6-6

3=-3x

Divide by -3 both sides

x=-1

the solution is the point (-1,9)

therefore

the answer is

the solution to the system of equations is the point (-1,9)


4 0
3 years ago
Read 2 more answers
What is the slope of the line given (1,1) and (0,0)
yaroslaw [1]

The slope of the line passing the points (1, 1) and (0, 0) is 1

<h3>Slope of a line</h3>

The formula for calculating the slope of a line is expressed as

Slope = y2-y1/x2-x1

Given the coordinate points (1, 1) and (0, 0)

Substitute the given coordinate points

Slope = 0-1/0-1

Slope = -1/-1

Slope =1

Hence the slope of the line passing the points (1, 1) and (0, 0) is 1

Learn more on slope of a line here: brainly.com/question/3493733

#SPJ1

3 0
1 year ago
Which is bigger 2.0 or 2
alekssr [168]

Answer:

both are the same

Step-by-step explanation:

2.0 = 2

hope this helps ^-^

4 0
3 years ago
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A student has an average of 78 on seven chapter tests. If the student's scores on six of the tests are 76, 74, 76, 80, 83, and 9
zhenek [66]

Answer:

The score is 66

Step-by-step explanation:

Say the unknown score is x

Average = Total score/no of occurrence

78 = (x + 76 + 74 + 76 + 80 + 83 + 91)/7

78 × 7 = x + 76 + 74 + 76 + 80 + 83 + 91

546 = x + 480

546 - 480 = x

66 = x

∴ x = 66

4 0
3 years ago
Which number satisfies the inequality 9h + 15 &gt; 55?
zalisa [80]

When you say "Which number ...", I expect to see a list of choices at the
end of the question, and I get very upset when there's nothing there.

                                            9h + 15 > 55

Subtract  15  from each side:          9h > 40

Divide each side by  9 :                  <em>  h > 40/9</em>

Any number greater than (4 and 4/9) satisfies the inequality.


5 0
3 years ago
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