3 years ago

A number decreased by 3 times the sum of a number and 2 is 306

1 answer:

4 0

What grade are you in

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liubo4ka [24]

Answer:

2400 cm^2

Step-by-step explanation:

The surface area for a cube is just 6* area in one face (As there are 6 faces), so 6*20^2 = 6*20*20 = 2400 cm^2

6 0

3 years ago

il63 [147K]

Answer: y < -5 or y > 8

<u>Step-by-step explanation:</u>

$y-3>5\quad \text{or}\quad y+38\quad \text{or}\quad y\quad \ \$

Graph: ←---------o -1 8 o------------→

Interval Notation: (-∞, -5) ∪ (8, ∞)

4 0

3 years ago

ruslelena [56]

-0.35 would be the correct answer

4 0

3 years ago

RUDIKE [14]

Answer:

line g would have the same slope as line f

Step-by-step explanation:

parallel lines always have the same slope.

Hope this helps!!! :)

4 0

4 years ago

olga nikolaevna [1]

(2x-4)(x+5) expand with indicated multiplication

2x^2+10x-4x-20

2x^2+6x-20

3 0

3 years ago