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4 years ago

Pls help due soon TY!!

Mathematics

2 answers:

jenyasd209 [6]4 years ago

7 0

Try to divide the volume by three maybe that

suter [353]4 years ago

5 0

Try to do the volume divided by 3

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Please help, explain if you know???????

slamgirl [31]

Answer:

4.5 units²

Step-by-step explanation:

(b × h) (.5)

(3 × 3) (.5)

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3 years ago

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3 years ago

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Simplify, thank you in advance

Tems11 [23]

$\bf \cfrac{3}{x+4}+\cfrac{2}{x^2-16}\implies \cfrac{3}{x+4}+\cfrac{2}{\stackrel{\textit{difference of squares}}{x^2-4^2}}\implies \cfrac{3}{x+4}+\cfrac{2}{(x-4)(x+4)}\\\\\\\stackrel{\textit{so our LCD will be }(x-4)(x+4)}{\cfrac{(x-4)3+(1)2}{(x-4)(x+4)}}\implies \cfrac{3x-12+2}{(x-4)(x+4)}\implies \cfrac{3x-10}{(x-4)(x+4)}$

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4 years ago

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Rename the following fraction in three different ways: 3/8 Please hurry

marysya [2.9K]

Answer:

3 2 6

— x — = —

8 2 16

3 3 9

— x — = —

8 3 24

3 4 12

— x — = —

8 4 32

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3 years ago

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Will mark brainliest! Questions are in the picture!

alexdok [17]

Answer:

52.9 inches .

Step-by-step explanation:

Given that the triangular indentation has an area of 100 in.² and the base and height of this traingle are represented by expressions 3x and x+3 respectively . We need to find out the perimeter to the nearest tenth.

As we know that the area of triangle is ,

$\rm\longrightarrow Area_{\triangle}=\dfrac{1}{2}(base)(height)$

Substituting the respective values,

$\rm\longrightarrow 100\ =\dfrac{1}{2}(x+3)(3x)\\\\\rm\longrightarrow 2(100) = 3x(x+3)\\\\\rm\longrightarrow200 = 3x^2+9x\\\\\rm\longrightarrow 3x^2+9x-200=0$

On using the Quadratic formula , we have;

$\rm\longrightarrow x =\dfrac{-9\pm\sqrt{9^2-4(3)(-200)}}{2(3)} \\\\\rm\longrightarrow x =\dfrac{-9\pm \sqrt{81+1200}}{6}\\\\\rm\longrightarrow x =\dfrac{-9\pm \sqrt{1281}}{6}$