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Alenkinab [10]
4 years ago
10

How does moving the place of a digit change its value

Mathematics
2 answers:
lina2011 [118]4 years ago
7 0
Moving the place of the digit changes the value depending on what way you move the digit. 
Dmitrij [34]4 years ago
5 0

Answer:

Moving places of a digit changes its value.

We can see the following example.

Say we have a number 1234.

We have 1 at thousand place with a value of 1000.

We have 2 at hundreds place with a value of 200.

We have 3 at tens place, with a value of 30.

We have 4 at ones place with a value of 4.

Say we interchange the numbers and make it 4321.

Now we have 4000 , then 300, then 20 then 1.

We can see that the 4 at ones place is just 4 but at thousand place, its value is 4000.

Hence, it is clear that moving the place of a digit change its value.

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3 years ago
What are the x– and y–intercepts of the graph of y = 2x^2 – 8x – 10?
Nadya [2.5K]
<u>x-intercepts are found by setting y=0</u>
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<em>factor out a 2</em> 0=2(x^2-4x-5)\rightarrow0=x^2-4x-5
<em />0=(x-5)(x+1) <em>roots should be </em>x=-1,5
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<u>
</u><u>y-intercepts are found by setting x=0</u>
y=2x^2-8x-10\rightarrow y=2(0)^2-8(0)-10
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therefore, y-intercept is (0,-10)
4 0
3 years ago
Can anyone help me with these two questions
lozanna [386]
Hi there!

The linear equation would be y = 3x + 11. This is because the slope is 3, found by using the formula (y2-y1 / x2-x1). Then, we can plug in the slope and a point into y=mx+b form. Next, we can plug in 0 for x and 0 for y to figure out if the line goes through the point (0,0). Doing this, we discover that the line does not go through the point (0,0).

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
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How many solution does the system have 6y+5x=8;2.5x+3y=4
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Solve by Elimination:
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Multiply the second equations by 2:
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The answer is 27??????

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