3 years ago

PLEASSE HELLPPP 4

1 answer:

jeka943 years ago

6 0

the volume of a cone with a height of 27cm and a radius of 13cm is 4748.36242611007.Then you round it to the nearest tenth which would be 4,778.4 which would be the answer

you work out that by v=PI radius squared height divided by 3

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Mashcka [7]

Your answer is x=-24/11

8 0

3 years ago

Draw the image of ABC under the dilation with scale factor 2 and center of dilation (-4, -3). Label the image A'B'C. The image o

BARSIC [14]

Answer:2

Step-by-step explanation:

5 0

4 years ago

Please help me !!!

Mashutka [201]

$1)~3x^3+15x^2-2x-10=3x^2(x+5)-2(x+5)=(3x^2-2)(x+5)\\\\
2)~8x^2+12x+2xy+3y=4x(2x+3)+y(2x+3)=(4x+y)(2x+3)\\\\
3)~x^3+2x^2-5x-10=x^2(x+2)-5(x+2)=(x^2-5)(x+2)\\\\
4)~x^4+4x^3+2x+8=x^3(x+4)+2(x+4)=(x^3+2)(x+4)\\\\
5)~6y^2-3y+2yz-z=3y(2y-1)+z(2y-1)=(3y+z)(2y-1)\\\\
6)~x^2y+3x^2-7y^2-21y=x^2(y+3)-7y(y+3)=(x^2-7y)(y+3)\\\\
7)~10x^3-25x^2+4x-10=5x^2(2x-5)+2(2x-5)=\\\\=(5x^2+2)(2x-5)\\\\
8)~2x^2y+6xy-x-3=2xy(x+3)-(x+3)=(2xy-1)(x+3)$