3 years ago

find the missing length x in these keloids cuboids given their surface area. Plz tell me how you did it too. i realy need help.

1 answer:

8 0

Surface area =2*(3*x)+2*(1*x)+2*(3*1)=6x+2x+6=8x+6
70=8x+6
64=8x
x=8

You might be interested in

liraira [26]

6 integer? Well if that's the case, your answer will be 6.0<span />

5 0

3 years ago

Mamont248 [21]

Given:

Diameter of circle is 10

Find : Perimeter

Sol:.

Perimeter of semi circle

$\begin{gathered} =\pi r \\ =\pi(\frac{10}{2}) \\ =5\pi \\ =15.707 \end{gathered}$

Perimeter of shape is:

$\begin{gathered} =14+12+12+15.707 \\ =53.707 \end{gathered}$

7 0

2 years ago

rewona [7]

$\frac { 72 }{ 81 } \\ \\ =\frac { 8 }{ 9 } \cdot \frac { 9 }{ 9 } \\ \\ =\frac { 8 }{ 9 } \cdot 1\\ \\ =\frac { 8 }{ 9 }$

8 0

3 years ago

Radda [10]

36°

hope it helps...!!!

8 0

3 years ago

kumpel [21]

2308/320= 7.2125
So roughly $7.21

3 0

3 years ago