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makvit [3.9K]
2 years ago
15

Factorise fully 6x + 9x cubed

Mathematics
2 answers:
o-na [289]2 years ago
6 0

Answer:

  • 3375x^3

Step-by-step explanation:

→ \left(6x\:+\:9x\right)^3

→ \left(15x\right)^3      [ add the x inside the bracket ]

→ 15^3x^3       [ remove the bracket ]

→ 3375x^3     [ final answer ]

Veronika [31]2 years ago
4 0

Answer:

3x(3x² + 2x)

Step-by-step explanation:

6x + 9x³

rearrange tribe

9x³ + 6x

factor by grouping

3(3x³ + 2x)

3x(3x² + 2x)

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5. In the triangle ABC. M is the midpoint of [AB] and N is the midpoint of [CM].
sweet [91]

Answer:

N(2,3)

Step-by-step explanation:

According to the Question,

  • Given that, In the triangle ABC. M is the midpoint of AB and N is the midpoint of CM And A(-1, 3), B(7-3) and C(1,6).
  • Thus, For coordinates of N. first We have to find the Coordinate of M(x,y). As Given M is the Midpoint of A(-1, 3) and B(7-3).

Thus, M(x,y) = (-1+7)/2 , (3-3)/2 ⇒ M(3,0)

  • Now, As Given, N(a,b) is the Midpoint Of C(1,6) and M(3,0).

Thus. N(a,b) = (1+3)/2 , (6+0)/2  ⇒ N(2,3)

8 0
3 years ago
Please help! I really need help on this. Also if I could get an explanation on this it would really help.
Firdavs [7]

Answer:

x= 10

Step-by-step explanation:

Since the triangles are congruent

<B = <E

50 = 5x

Divide each side by 5

50/5 = 5x/5

10 =x

4 0
3 years ago
Read 2 more answers
A pony keg (quarter barrel) of beer contains 62 pints.  If the local drinking establishment sells draft beer in 400mL pilsner gl
OLga [1]

1 pint = 473.176 milliliters

62 x 473.176 = 215336.912 milliliters in a pony keg

215336.912/400 = 538.34 glasses

 round off answer to 538 glasses


8 0
3 years ago
Please help ASAP
belka [17]

Answer:

Option B is correct

Step-by-step explanation:

Hope that helped u

6 0
3 years ago
Whats the answer for this <br> 4b²+20b+25
WITCHER [35]
4b²+20b+25=0

Divide everything by 4 

b²+5b+ 6.25=0 

use the quadratic formula 
x= (-b+ or - √b²-4ac) /2a
x= (-5 + or - √5²-4*1*6.25) /2(1)
x= -5/2 so
in this case, b= -5/2

7 0
3 years ago
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