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Marysya12 [62]
3 years ago
10

(5n-1)(n+1)=0 factory

Mathematics
1 answer:
gavmur [86]3 years ago
3 0

Answer:

5n^2+(4n)-1

Step-by-step explanation:

(5n-1)(n+1)=0

Lets find <em>n.</em>

(5n-1)(n+1)=0

FOIL it.

5n^2+5n-1n-1

Add/Substract similar factors

5n^2+(5n-1n)-1

5n^2+(4n)-1

Thats your answer.

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HELP PLZ ...........WITH ALL OF THEM
Setler79 [48]

Answer:

1/2

Step-by-step explanation:

We first find the least common multiple, which is 6. Therefore, we can multiply 1/3 x 2/2 (since 2/2 is equal to one and won't change the final amount) and get 2/6. 2/6+1/6=3/6, or 1/2.

7 0
3 years ago
The graph of a system of equations with the same slope and the same y-intercepts will have no solutions.
Rasek [7]
If 2 equations have the same y-intercept, they are overlapping, which means they have infinite solutions. So there is no way that 2 equations with the same y-intercept will have no solution. Thus your answer is: C)Never. 
4 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through the points (-4,8) and (-2, -1).
IRINA_888 [86]

Answer:

y=-9/2x-10

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-1-8)/(-2-(-4))

m=-9/(-2+4)

m=-9/2

y-y1=m(x-x1)

y-8=-9/2(x-(-4))

y-8=-9/2(x+4)

y=-9/2x-36/2+8

y=-9/2x-18+8

y=-9/2x-10

5 0
2 years ago
Which of the following is true given that -4 &gt; -9?
xxMikexx [17]

Answer:

A. -4 is to the right of -9 on a horizontal number line.

Step-by-step explanation:

The order in a number line is:

-9 , -8 , -7 , -6 , -5 , -4 , -3 , -2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9

As shown above, -4 is to the right of -9 on the horizontal number line.

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3 years ago
By which rule are these triangles congruent?
GrogVix [38]

Answer:

sss

Step-by-step explanation:

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