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Sphinxa [80]
3 years ago
5

I will send you a pic of the question... <3​

Mathematics
1 answer:
RSB [31]3 years ago
6 0

Answer:

kk send the pictures

Step-by-step explanation:

  • kkkkk
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What are the factors of 2a³ + a² + 2a + 1?
morpeh [17]

Answer:

The answer is (a²+1)(2a+1)

4 0
2 years ago
The function f(x) is graphed on the coordinate plane.
tatiyna
F(x) = 1/4x-1

i hope this helps!
6 0
3 years ago
Read 2 more answers
The graph of a quadratic function with vertex (3, 1) is shown in the figure below. Find the domain and the range. Write your ans
Snezhnost [94]

Answer:

<u>There is no restriction to domain:</u>

  • x = (-∞, +∞)

<u>The range is to vertex coordinate of 1:</u>

  • y = [1, +∞)
4 0
3 years ago
Where does the normal line to the parabola y = x − x2 at the point (1, 0) intersect the parabola a second time?
Ksivusya [100]
Find the line that is normal to the parabola at the given point
remember that normal means perpendicular
perpendicular lines have slopes that multiply to -1
we can use point slope form to write the equation of the line since we are given the point (1,0)

we just need the slope

take derivitive
y'=1-2x
at x=1
y'=1-2(1)
y'=1-2
y'=-1

the slope is -1
the perpendicular of that slope is what number we can multiply to get -1
-1 times what=-1?
what=1
duh
so
point (1,0) and slope 1
y-0=1(x-1)
y=x-1 is da equation

solve for where y=x-1 and y=x-x² intersect

set equatl to each other since equal y
x-1=x-x²
x²-1=0
factor difference of 2 perfect squares
(x-1)(x+1)=0
set to zero

x-1=0
x=1
we got this point already

x+1=0
x=-1
sub back
y=-1-(-1)²
y=-1-(1)
y=-1-1
y=-2

it intersects at (-1,-2)
7 0
3 years ago
Suppose that 71% of the surface of the Earth is covered in water, and a random number generator uses latitude and longitude to s
erik [133]

Answer:

.00059 or .0006

Step-by-step explanation:

You are trying to find what won't be in the water because there are many combinations so you use a complement formula.

1-0.79=0.29

Use the left over percentage in an equation to determine the probability.

1-(0.29)^6=0.000594823

The exponent 6 comes from the number of locations.

8 0
2 years ago
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