3 years ago

What is the surface area of the rectangular prism?

1 answer:

6 0

Answer:

The answer is 348. your welcome<3

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koban [17]

-2x=4x+9 |-4x
-6x=9 |:(-6)
x=-1,5

Check:

-2*-1,5=4*-1,5+9
3=-6+9
3=3

4 0

3 years ago

mr Goodwill [35]

$3x-first\ number\\7x-second\ number\\\\3x+7x=150\\10x=150\ \ \ \ \ |:10\\x=15\\\\3\cdot15=45\\7\cdot15=105\\\\Searched\ number\ are\ 45\ and\ 105$

6 0

3 years ago

Nitella [24]

Answer:

D. 6 feet.

Step-by-step explanation:

The third longest side of ABCD is 12 feet long and the third longest side of EFGH is 18 feet long.

As they are similar the corresponding sides are in the same ratio so

12/18 = x/9 where x is the 4th side of ABCD.

2/3 = x/9

3x = 18

x = 6 feet.

3 0

3 years ago

Aneli [31]

17) Sometimes true

Given only that a quadrilateral is a parallelogram, we can only conclude the opposite sides are congruent - not the adjacent sides

18) Always true

19) Always true.

20) Never true

8 0

1 year ago

kiruha [24]

It is in the first quadrant

8 0

3 years ago