2 years ago

Connect A and D with a straightedge.

Mathematics

1 answer:

SVETLANKA909090 [29]2 years ago

3 0

Answer:

you cant connect it

Step-by-step explanation:

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-30=5(x+1) x=? Solve for X

stellarik [79]

Answer:

=-7

Step-by-step explanation:

-30=5(x+1)

-30=5x+5

-35=5x

= -7

7 0

2 years ago

The total surface area of a cube is 294 cm ² work out the volume of the cube

mihalych1998 [28]

$\text{ Total Surface Area of cube, with Side $a$ is } 6a^2 \\ \text{ (six times the area of each face)} \\ 6a^2=294 \ m^2 \\ a^2= \frac{294}{6} \\ a^2=\frac{49\times6}{6} \\ a^2=49 \\ a=\sqrt{49} \\ a=7 \ m \\ \text{Volume of cube with Side $a$ is } a^3 \\ V= 7^3=49\times7 \\ \text{volume of the cube is } 343 \ m^3$