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Nitella [24]
3 years ago
12

I need help getting the answer

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
7 0

Answer:

b^2-16 , 16a^2-4

Step-by-step explanation:

m^2+36 is not a difference its a sum so that is automatically ruled out

3x^2-4, 3 isn't a squared number so it can not be used

b^2-16 , is a difference of squares - (b-4)(b+4)

16a^2-4, is also a difference of squares - (4a-2)(4a+2)

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I WILL GIVE YOU 40 POINTS AND THE HIGHEST ANSWER. YOU HAVE TO DO WHAT THE STEPS SAYS IN ORDER TO GET EVERYTHING
Marat540 [252]
This is a 30-60-90 triangle, in which the side opposite of the 90 degrees is the longest side (2), the side opposite of the 60 degrees is the √3 (2√3 in this case), and the last side (opposite of the 30 degrees) is the (1)

2√3/√3 = 2

So the side opposite  of the 30° = 2

a) the width is 2 miles

The length of the side walk is 2(a)
a = 2

2(2) = 4

b) The length of the sidewalk is 4 miles

hope this helps
5 0
3 years ago
Given a geometric sequence in the table below, create the explicit formula and list any restrictions to the domain.
WINSTONCH [101]
Thank you for posting your question here at brainly. Feel free to ask more questions.   
<span>
The best and most correct answer among the choices provided by the question is </span>   <span>an = −4(−5)n − 1 where n ≥ 1 .
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5 0
3 years ago
Read 2 more answers
The angles listed from largest to smallest are __________________
photoshop1234 [79]

Answer:

B, A, C

Step-by-step explanation:

That's a 30-60-90 triangle.

7 0
3 years ago
3w - (7w + 12) = 2(w – 3)<br><br>how do u do this step by step​
exis [7]
3w-7w-12=2w-6

-4w-12=2w-6

-12=6w-6

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3 0
3 years ago
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What is the focus of the parabola given the equation y=x^2+4x-1
IrinaK [193]
Let's first rewrite it in vertex form.
Start by completing the square.
y = x² + 4x + 4 - 4 - 1
y = (x + 2)² - 5
(x + 2)² = y + 5

Now, 4a = 1; a = \frac{1}{4}

So, the vertex form is (x + 2)² = 4(\frac{1}{4})(y + 5)
So, we know that the vertex is at (-2, -5).
Since it's a concave up parabola, we just have to change the y-value to find the focus.

∴ F(-2, -5 + \frac{1}{4})
F(-2, \frac{-19}{4})
3 0
2 years ago
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