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Stels [109]
2 years ago
13

FIND THE FACTORS OF THE FOLLOWING POLYNOMIAL 3y²-2y-1

Mathematics
1 answer:
labwork [276]2 years ago
5 0

Answer:

y

y2 - 2y - 3

(y - 1)(y + 3)

(3y - 1)(3y + 3)

Step-by-step explanation:

you multiple the 3 with the 1

then factor

then divide by 3 again but the denominator goes in front of the y.

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The angles of a triangle are 80º, 2x + 2º, and 5xº. What is the value of x?
Lady bird [3.3K]
If you add 5x to 2x+2 you will get 7x+2. You would set this equation equal to 80, so it would be 7x+2=80. When you solve this you will get 11.1428571429, which can be rounded to 11, 11.1, or 11.14, whichever you prefer. 

3 0
3 years ago
Please help I dont know the answer​
Nonamiya [84]

Answer:

to be honest I don't know either, but it's probably C

5 0
2 years ago
Find the mean.<br> 3,4<br> Helpop
Elena L [17]

Answer:

3:4 i think

Step-by-step explanation:

3 4 is the answer

8 0
2 years ago
Justin needs to earn a score of more than 80 on his next math test to earn a B for the semester. Which inequality shows the grad
zvonat [6]

Answer:

b

Step-by-step explanation:

Justin's score has to be greater than 80. the appropriate inequality sign is >

Note that

> means greater than

< means less than

≥ means greater than or equal to  

≤ less than or equal to  

On the number line, since the score has to be greater than 80, the line would start from 80 and end on 95

> or < is represented by unfilled circle

≤ or ≥  is represented by filled circle

6 0
3 years ago
Which of the following equations is an example of inverse variation between
Romashka [77]

For this case we have that by definition, a direct variation is given by:

y = kx

Where:

k: It is the constant of proportionality of the variables.

On the other hand, we have that the inverse variation is given by:

y = \frac {k} {x}

Where:

k: It is the constant of proportionality of the variables.

In this way, the correct option is: y = \frac {9} {x}

ANswer:

Option A

3 0
3 years ago
Read 2 more answers
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