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Firlakuza [10]
3 years ago
7

What is the surface area of a tank that has a length of 30 feet, a width of 15 feet?

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

450

Step-by-step explanation:

Multiply the length (30) by the width (15)

30x15=450

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Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.
kolezko [41]

Answer:

Please see attached image

Step-by-step explanation:

We can work on the products of binomials using distributive property to multiply every term of the first binomial by every term of the second one. Finally combine like terms to get the trinomial that results:

1) (2+a)(2+a)=4+2a+2a+a^2=4+4a+a^2

2) (2a+1)(2a+1)=4a^2+2a+2a+1=4a^2+4a+1

3) (2a-1)(2a-1)=4a^2-2a-2a+1=4a^2-4a+1

4) (2-a)(2-a)=4-2a-2a+a^2=4-4a+a^2

7 0
4 years ago
The perimeter of a triangular sail is 44 feet. One side of the sail measures 18 feet and the second side measures 11 feet. What
Fantom [35]

Answer:     The length of third side is 15.

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

The perimeter of given triangle is 44.

One side, suppose a is 18.

Second side, suppose b is 11.

Suppose, third side is c.

So the perimeter will be :

18+11+c=44

29+c=44

Subtracting 29 in both sides

29+c-29=44-29

c=15

Hence the length of third side is 15.       Answer

Hope it will help :)

6 0
3 years ago
At its closest distance, the moon is approximately 3.6 × 105 km from Earth. Mars, at its closest distance, is approximately 5.57
ira [324]

Answer:

The answer is 5.534 x107km

Step-by-step explanation:

7 0
4 years ago
A 40-inch piece of rope is cut into 4 equal pieces. How long is each piece in feet?
Kryger [21]

Answer: 10

Step-by-step explanation:

Just divide 40 by 4 and you get 10

6 0
2 years ago
Read 2 more answers
2.2y−(y−7.3)÷10=0.1<br><br>PLEASE HELP!<br><br>Answer:
Naddik [55]

Answer:

y = -0.525

Step-by-step explanation:

2.2y - y + 7.3 / 10 = 0.1

1.2y + 0.73 = 0.1

1.2y = -0.63

y = -0.525

6 0
3 years ago
Read 2 more answers
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