# geometry

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What is the area of this scalene triangle 12x 15x 9x

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1. ### bobpursly,

Is this correct now after i revised it Multiply. 3xy^2(5xy-4x+6y) 3xy^2(5xy)=15x^2y^3 3xy^2(-4x)=-12x^2y^2 3xy^2(6y)=18xy^3 so i get from this 15x^2y^3-12x^2y^2+18xy^3 correct awsome i just thought that the 15x^2y^3-12x^2y^2 should …
2. ### algbrea

3x-5(3x-7)= 2(x+9) + 45 3x-15x+35= 2x+18 +45 -12x + 35 = 2x+63 -12x -28 = 2x -12 -28 =x -40 =x 3x-5(3x-7)= 2(x+9) + 45 3x-15x+35= 2x+18 +45 -12x + 35 = 2x+63 -10x+35=63 -10x=28 x=-2.8 you are both wrong! 3x - 15x + 35 = 2x + 18 + 45 …
3. ### geometry

The triangle DEF has vertices D(-1,3) E(7,1) and F(4,6). Classify the triangle as: a) isosceles or scalene b) right angled or not

Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got either
5. ### Math

Can you correct the errors? 4(x+3)=24 4(3x)=24 12x=24 12x/12= 24/12 X=2 5(x+2)=45 5x+10=45 15x=45 15x/15=45/15 x=3 5+4x=13 5+4x-4x=13-4x 5=9x 5/9=9x/9 5/9= x 56=8(x+3) 56=8x+24 56-24=8x+24-24 32=8x 32/32=8x/32 x=8/32 x=1/4 S/6+3=11
6. ### math

The vertices of a triangle are listed below. H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle?
7. ### Geometry

If the measures,in degrees, of the three angles of a triangle are x, x+10, and 2x-6, the triangle must be: A.right,B.equilateral,C.Scalene, D.Isosceles
8. ### Geometry

A right triangle must be a. isosceles b. acute c. scalene d. either isosceles or scalene
9. ### Math

Which triangle is NOT possible to construct?
10. ### Math

Which triangle is NOT possible to construct?

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