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ycow [4]
3 years ago
13

For all x, (2x + 1)^2= ?

Mathematics
2 answers:
stiv31 [10]3 years ago
4 0

Answer:not sure but it’s either a b c d e maybe don’t hold me to that

Step-by-step explanation:‍♀️‍♂️‍♀️‍♂️‍♀️‍♂️‍♂️‍♀️‍♀️

jekas [21]3 years ago
4 0

Answer:<em> hii :)</em>

E. 4x2+4x+1

Step-by-step explanation:

Expand the expression.

Hopefully this helps <em>you!</em>

- Matthew

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A triangle has sides of lengths 10, 24, and 26. Is it a right triangle? Explain.
Komok [63]
The most efficient way of finding the answer to this question is first reducing 10-24-26 and comparing it with the first 5 combinations for right-angled triangles:

First, reduce 10-24-26 by dividing it by the GCF (greatest common factor). 

10-24-26 divided by its GCF, 2, is:  5-12-13

Now comparing it with the first 5 combinations for right-angled triangles:

1)   3-4-5
2)  5-12-13
3)  7-24-25
4)  8-15-17
5)  20-21-29

As you can see, number 2 is the same as our reduced example. Therefore, we know that 10-24-26 is a right triangle. 

Hope this helps!

4 0
3 years ago
Which graph represents the solution set of y= x^2 - 4 and x + y + 2 = 0?
Gnesinka [82]

Answer:

graph b

Step-by-step explanation:

i did it

7 0
3 years ago
Read 2 more answers
Identify whether each value of x is a discontinuity of the function by typing asymptote, hole, or neither. 5x/ x3 + 5x2 + 6x
tatiyna

Answer: hole at x = 0, asymptotes at x = -2 and x = -3

<u>Step-by-step explanation:</u>

  \frac{5x}{x^{3} + 5x^{2} + 6x}

= \frac{5x}{x(x^{2}+5x + 6)}

= \frac{5x}{x(x+2)(x+3)}

x ≠ 0 ---> the x cancels out so this is a hole  

x + 2 ≠ 0   ---> x ≠ -2   ---> asymptote at x = -2

x + 3 ≠ 0   ---> x ≠ -3   ---> asymptote at x = -3

3 0
3 years ago
Read 2 more answers
A system of equations has no solution. If y = 8x + 7 is one of the equations, which could be the other equation?
julia-pushkina [17]
For the answer to the question above, a system of equations has no solution when the lines representing the equation are parallel but do not coincide. For two lines to be parallel, the must have the same gradient i.e. coefficient of x when y is made the subject of formula must be equal.
If one of the equations is
y = 8x + 7,
then the other equation will be
y = 8x - 7
5 0
3 years ago
Write the slope-intercept form of the equation of the line through the given point with the given slope.
SIZIF [17.4K]
Slope itnercept is y=mx+b

ok, let's start with point slope form
y-y1=m(x-x1)
a point on the line is (x1,y1) and the slope is m
so given point (-3,4) and slope -3/4
y-4=-3/4(x-(-3))
y-4=-3/4(x+3)
distribute to solve for y
y-4=(-3/4)x-9/4
add 4 to both sides
y=(-3/4)x-9/4+4
y=(-3/4)x-9/4+16/4
y=(-3/4)x+7/4
5 0
4 years ago
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