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seropon [69]
3 years ago
15

Factorise y^3- 7y+6 ​

Mathematics
2 answers:
Tatiana [17]3 years ago
4 0

Answer:

(y−1)(y−2)(y+3)

Step-by-step explanation:

Factor y3−7y+6

y3−7y+6

=(y−1)(y−2)(y+3)

prisoha [69]3 years ago
3 0

Answer:

(y - 2) (y-1) (y+3)

Step-by-step explanation:

y³-7y+6

= y³ +2y² - 2y² - 3y - 4y +6

= ( y³ +2y² - 3y) - (2y² + 4y -6)

= y( y² +2y -3) - 2( y² + 2y -3)

= (y² +2y -3)(y-2)

= ( y² +3y -y -3)(y-2)

= [ y( y+3) -(y+3)] ( y-2)

= (y-1)(y+3)(y-2)

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Solve the inequality 28<6x-2
ycow [4]

Answer:

5 < x

Step-by-step explanation:

28<6x-2

Add 2 to each side

28+2<6x-2+2

30 < 6x

Divide each side by 6

30/6 < 6x/6

5 < x

7 0
3 years ago
Read 2 more answers
Triangle A'B'C' is the image of triangle ABC after a sequence of rigid motions,
Feliz [49]

Answer:

The sequence are:

i. reflection about the y-axis

ii. 2 units translation downwards

iii. 1 unit translation to the right

Step-by-step explanation:

Rigid transformation is a process of producing the image of a given figure or shape by either reflection, rotation, dilation or translation method. Thus the orientation and size of the figure changes with respect tot the method applied.

For the given question, some sequence were applied to produce the image of ABC.

The sequence are:

i. reflection about the y-axis

ii. 2 units translation downwards

iii. a unit translation to the right

6 0
3 years ago
The temperature in degrees Fahrenheit can be expressed by the function F(c)=9/5c+32 where c is the temperature in degrees Celsiu
grigory [225]
The problem above is simply asking for you to convert the measurement given to another form of unit. In this case, we are asked to convert from Celsius to Fahrenheit. To do this, we use the given conversion equation above.

<span>F(c)=9(25)/5+32
F(c) = 77 degrees Fahrenheit</span>
4 0
3 years ago
Please help and show your work
Aliun [14]
To find the answer,we can set an equation adding up all the angles:

a°+2a°+2a°+a°=360°
6a°=360°
a°= 360°/6
a = 60

Therefore,the answer is 60.

Hope it helps!
7 0
3 years ago
3(d – 4) + 1 = 10 what does D equal?
bixtya [17]
D=7 I hope this helps!
7 0
4 years ago
Read 2 more answers
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