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S_A_V [24]
4 years ago
5

Write whether the following pair of linearequations is consistent or not: x+y=14 & X-y=4​

Mathematics
1 answer:
ludmilkaskok [199]4 years ago
3 0

Answer:

The linear equation is consistent

Step-by-step explanation:

X+y=14....(1)

X-y=4....(2)

Add (1) and (2)

2x=28

Divide both sides by 2

x=14

Substitute the value for x into (1)

14+y=14

Substrate 14 from both sides

y=0

So the linear equation is consistent

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WILL GIVE BRAINLY!!!!!!!!<br> Factor completely 2x2 + 2x − 12.
kipiarov [429]

Step-by-step explanation:

All of these terms have a common factor of 2, and when we take that out we get 2(x² + x - 6). To factor the polynomial in the parentheses, we have to find 2 numbers with a product of -6 and a sum of 1, and these are 3 and -2. Therefore, the final answer is 2(x + 3)(x - 2).

Hope this helps!

8 0
4 years ago
Fiona has proved that a function, f(x), is an arithmetic sequence. How did she prove that? A. She showed that an explicit formul
Step2247 [10]

Answer:

Option D is correct

Step-by-step explanation:

Option D is correct

Being an arithmetic sequence there will be common difference between the consecutive terms

Option A is incorrect because it is not necessary that explicit formula is an arithmetic sequence we can create explicit formula for any sequence

Option B is incorrect because recursive formula can be created for any sequence for geometric series also.

Option C is incorrect because the sequence that has constant ratio is the geometric sequence not an arithmetic sequence.

6 0
3 years ago
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What is the slope of the line on the graph?<br><br><br><br> Enter your answer in the box.
alexira [117]
To find the slope,we can use the slope formula:
\frac{y1 - y2}{x1 - x2}
Where x and y are y coordinates and x coordinates respectively.

To find the answer, put any two points into the formula.

In this case, (1,5) and (0,-1) will be used:

x1 and y1 would be the x and y coordinate in the first point(1,5), while x2 and y2 would be the x and y coordinate in the first point (0,-1)

\frac{5 - ( - 1)}{ 1- 0}  \\  =  \frac{5 + 1}{1}  \\   = \frac{ 6}{1}  \\  = 6
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Hope it helps!
5 0
4 years ago
Can someone help me with this math homework please!
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Answer:

\mathfrak {last \:option }

\mathfrak\blue{ {option \: 2} }

Step-by-step explanation:

x intercept of a function is the point where it's graph intersects the x axis.

or

simply that value x, where the value of y is 0.

since at x = 2; f(x) =0 that point <u>(2, 0)</u> is the x intercept of the function.

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3 years ago
Paper and Pencil Construction: Construct a Line Perpendicular to a Given Line through a Point on the Line
Zarrin [17]

Step-by-step explanation:

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