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weqwewe [10]
3 years ago
15

20 POINTS PLEASE HELP!

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
7 0

Answer:

The answer would be 1:2 since its doubled.

kipiarov [429]3 years ago
3 0

Answer:

scale factor = 2

Step-by-step explanation:

Since the dimensions have been doubled this is equivalent to multiplying the original dimensions by 2, that is

scale factor = 2

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What value of b makes the trinomial below a perfect square x^2-bx+100
Aloiza [94]
1. Perfect square trinomials, are 2nd degree polynomials, of the form          a x^{2} +bx+c so that a \neq 0, b \neq 0, c \neq 0, which can be written as perfect squares.

2. For example (x+1) ^{2} = x^{2} +2x+1
 
(3x-1)^{2}= (3x)^{2}-2(3x)+(-1) ^{2}= 9x^{2}-6x+1    


3. Thus x^{2} +2x+1, 9x^{2}-6x+1 are perfect square trinomials.

4. x^{2} -bx+100= x^{2} -bx+ 10^{2}= (x+10)^{2}   or  (x-10)^{2}

5. In the first case -b=20, so b=-20. In the second case, -b=-20, so b=20.

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3 years ago
If f(x)=6x^2-4 what is f(-1)
Nana76 [90]

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2

Step-by-step explanation:

3 0
2 years ago
What is the diameter?
Aleksandr-060686 [28]
Pretty sure it’s 26
3 0
3 years ago
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10 Points mark brainly, The equation of the line in this graph is y = ___ x + ___ .
Brilliant_brown [7]
Hello!

First of all, let's find the slope, which is the rise/run. We have the points (-4,-3) and (-2,0). To get the run there, we move to the left two units. We rise up three units as well. Therefore our slope is positive. We have rise/run, which is 3/2 as our slope.

Now, b is the y-intercept, or when our line intersects with the y-axis. We can see that it intersects at a y-value of 3.

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mote1985 [20]
When:
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a ≠ 0 and b = 0 horizontal line segment from (-a, 0) to (a, 0)
a ≠ 0 and b ≠ 0 a ≠ b ellipse
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3 0
3 years ago
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