If the cube shown is 1 centimeter on all sides, what is the length of the diagonal, X, of the cube? (rounded to the nearest tenth)
1.5 cm
1.7 cm
1.9 cm
2.2 cm

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph