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anyanavicka [17]
3 years ago
5

625/1296 simplified fraction

Mathematics
2 answers:
qwelly [4]3 years ago
6 0

Answer:

163/324

Step-by-step explanation:

lubasha [3.4K]3 years ago
4 0

Answer:

163/324

Step-by-step explanation:

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Solve the equation -4x + 7 y equals 20. Y=3x+15
satela [25.4K]

Substitue what y equals for y and solve.

-4x+7(3x+15)=20 \\-4x+27x+105=20 \\23x=-85 \\x=-\boxed{\frac{85}{23}}

Hope this helps.

3 0
3 years ago
What is the polynomial function of lowest degree with lead coefficient 1 and roots 1 and 1 + i?
astra-53 [7]

x³ - 3x² + 4x - 2

complex roots occur in conjugate pairs

1 + i is a root then so is 1 - i

the factors of the polynomial are therefore

f(x) = (x - 1 )(x - (1 + i))(x - (1 - i))

     = (x - 1 )(x² - 2x + 2 ) ( expand factors and simplify )

     = x³ - 3x² + 4x - 2



4 0
3 years ago
Read 2 more answers
Factorise the following:<br> a) x + 3x - 4<br> b) x - 2x - 3<br> c) x + 2x - 8
Komok [63]
Are they supposed to be quadratic equations? Is it x^2 +3x -4 etc?
8 0
3 years ago
A marching band is practicing. The band director sees the drum major hit a drum. How far away is the director if he hears the dr
maxonik [38]

Answer:

132 m

Step-by-step explanation:

distance= speed*time

d=0.4*330

=132

5 0
2 years ago
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What is a necessary step for constructing perpendicular lines through a point on a line?
maxonik [38]

Answer:

Edit: This is incorrect, it might actually be the 3rd answer, draw arcs on either side of a given point on the line?

Draw arcs on either side of a given point off of the line I believe.

Step-by-step explanation:

Bisect a Segment:

Step 1 - open up your compass so that it is slightly larger than the segment. Put the compass on point A on the given segment and swing an arc above and below the lines. Do the same on point B. Create the points where the circle intersects.

Step 2 - Draw a line going through the points. That’s the bisector.

6 0
3 years ago
Read 2 more answers
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