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anygoal [31]
3 years ago
11

Want brainliest answer this

Mathematics
1 answer:
Marta_Voda [28]3 years ago
3 0

12 x 11 = 132

3*12=36

132+36 = 168 square feet

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(- 6x + 7) + (2x - 6) = - 4x + 1
inna [77]

Answer:

Step-by-step explanation:

-4x + 1 = -4x + 1

1 = 1

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7 0
3 years ago
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coldgirl [10]

Answer:

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Step-by-step explanation:

Everything else is false and A is correct because the sum of two opposites equal 0.

6 0
3 years ago
Please answer this correctly
Serggg [28]

Answer:

502 m²

Step-by-step explanation:

We require to find b before calculating the surface area.

The volume (V) of a cuboid is calculated as

V = lbh ( l is length, b is breadth and h is height )

Here V = 510, l = b, b = 10 and h = 3, thus

b × 10 × 3 = 510

30b = 510 ( divide both sides by 30 )

b = 17

--------------------------

The opposite faces of a cuboid are congruent, thus

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front/back area = 2(17 × 3) = 2 × 51 = 102 m²

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Surface area = 340 + 102 + 60 = 502 m²

3 0
3 years ago
What is the actual train length 54.4 meters what is the scale used to make the model
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