3 years ago

The surface area of a cube is 54 square centimeters. What is its volume, in cubic centimeters?

Mathematics

1 answer:

scoundrel [369]3 years ago

3 0

The volume is 27 cubic centimeters.

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Simplify the following expression: (1 point)

prohojiy [21]

Answer:

$⟼3x {}^{2} + 12 + y$

Step-by-step explanation:

$Here,2x − 6y + 3x {}^{2} + 7y − 14x$

$= 3x {}^{2} + 2x - 14x - 6y + 7y$

$= 3x {}^{2} - 12x - 6y + 7y$

$= 3x {}^{2} - 12x + y$

6 0

2 years ago

Read 2 more answers

The line segment joining A(6, 3) to B(–1, –4) is doubled in length by having half its length added to each end. Find the coordin

mr Goodwill [35]

Answer:

(9.5, 6.5) and (-4.5, -7.5)

Step-by-step explanation:

Let the extended points be A' and B' and add the point M as midpoint of AB

Coordinates of M are:

((6 - 1)/2, (3-4)/2) = (2.5, -0.5)

Now point A is midpoint of A'M and point B is midpoint of MB'

Finding the coordinates using midpoint formula:

A' = ((2*6 - 2.5),(2*3 - (-0.5)) = (9.5, 6.5)
B' = ((2*(-1) - 2.5), (2*(-4) - (-0.5)) = (-4.5, -7.5)

4 0

3 years ago

The point of concurrency of the three medians of a triangle is called the ______ of the triangle.

SIZIF [17.4K]

The point of concurrency of the three medians of a triangle is called the orthocenter of the triangle.

3 0

3 years ago

In the triangle below, with right angle , suppose that and .

bazaltina [42]

Answer:

G= 60.5

E= 70.9

F= 90

........

.......

4 0

2 years ago

What value of "a" makes the system 3x-y=17 and ax+y=-7 have no solution?

Norma-Jean [14]

Answer:

y=-7-ax

3x-(-7-ax)=17

3x+7+ax=17

3x+ax=10

x(3+a)=10

x=10,3+a=10 a=10-3 a=7

5 0

3 years ago