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Assoli18 [71]
3 years ago
10

Factor thé expression 27b+24

Mathematics
1 answer:
kati45 [8]3 years ago
6 0

Answer: 3(9b+8)

Step-by-step explanation: Have a brilliant day of learning!-Lily ^-^

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Without actual division prove that x4 +2x3 -2x2 +2x -3 is exactly divisible by<br> x2 +2x-3
Brut [27]

Answer:

Step-by-step explanation:                

\displaystyle\Large\boldsymbol{} x^4+2x^3-2x^2+2x-3= \\\\\\x^4+2x^2(x-1)+2x-\underbrace{2-1}_{-3}=  \\\\\\x^4-1+2x^2(x-1)+2x-2 = \\\\\\(x^2-1)(x^2+1)+2x^2(x-1)+2(x-1) = \\\\\\\underline{(x-1)}(x+1)(x^2+1)+2x^2\underline{(x-1)} +2\underline{(x-1)} =\\\\\\(x-1)((x+1)(x^2+1)+2x^2+2)=\\\\\\(x-1)(x^3+x^2+2x^2+x+2+1)=\\\\\\(x-1)(x^3+3x^2+x+3) =\\\\\\(x-1)( \underline{(x+3)}x^2+\underline{(x+3)})=(x^2+1)\underbrace{(x-1)(x+3)}_{x^2+2x-3}= \\\\\\(x^2+1)(x^2+2x-3) : (x^2+2x-3)=x^2+1

7 0
3 years ago
Не
Margaret [11]

Answer:

I don't know the answer

Step-by-step explanation:

rkvjtjxkfkekzdk kdkvkf

4 0
3 years ago
If I paid $12 an hour and I work 12 hours and 18 minutes. How much money did I earn that day ?
shtirl [24]

I will earn $147.6 that day.

8 0
3 years ago
Read 2 more answers
Part
olchik [2.2K]

Answer:

900 cubic inches.

Step-by-step explanation:

<u>Given the following data;</u>

Volume of right circular cone = 300in³

We know that the volume of a right circular cone is given by the formula;

V = \frac {1}{3} \pi r^{2}h

Where;

  • V is the volume of right circular cone.
  • r is the radius of the base of the right circular cone.
  • h is the height of the right circular cone.

The volume of a right circular cylinder is given by the formula;

V = \pi r^{2}h

<em>Thus, multiplying the volume of the right circular cone by 3 would give us the volume of the right circular cylinder. </em>

V = \frac {1}{3} \pi r^{2}h * 3  

Substituting into the equation, we have;

V = 300 * 3

V = 900in³

<em>Therefore, the volume of a right cylinder that has the same base and height as the cone is 900 cubic inches. </em>

4 0
3 years ago
Despejar la variable <br> 2x al cuadrado + 15= 113
Rudik [331]

Hola!

x = 7 , x = -7

Explicación:

Comienza restando 15 en cada lado:

2x^{2} + 15 -15=113-15

Usted obtiene:

2x^{2} =98

Ahora divide ambos lados por 2:

\frac{2x^{2} }{2} =\frac{98}{2}

Usted obtiene:

x^{2} =49

Como la ecuación está al cuadrado, tendrás que hacer:

x=\sqrt{f(a)} , x=-\sqrt{f(a)}

que te da: x=\sqrt{49} , x =-\sqrt{49}

Entonces:

\sqrt{49}=7 , -\sqrt{49}  = -7

6 0
3 years ago
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