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Nat2105 [25]
3 years ago
11

Find the total surface area. 8 km 4 km 3.9 km 2 km 8 km

Mathematics
1 answer:
qaws [65]3 years ago
7 0

Answer:

71.2 km²

Step-by-step explanation:

Triangles: 1/2(8)(3.9)=15.6 (2 of them - front and back)

Base: 8x2=16

Side: 4x2=8

Slant:8x2=16

15.6+15.6+16+8+16=71.2

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ANEK [815]
Do 12 2/3+10 2/3 which is 23 1/3 than subtract 8 2/3 for your answer.
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2 years ago
Which algebraic expression represents this phrase ? The product of 40 and the distance to the finish
erik [133]
The answer to this question is 30
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2 years ago
<img src="https://tex.z-dn.net/?f=%20-%208y%20%5Cgeqslant%2056" id="TexFormula1" title=" - 8y \geqslant 56" alt=" - 8y \geqslant
SCORPION-xisa [38]

Answer:

y ≤-7

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8 0
3 years ago
Jace and Ellie are helping their friend Oliver move: Jace can move one box for every two boxes does Elle can move five boxes how
Simora [160]

Answer:

Two.

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3 0
2 years ago
Sheri's brother gave Sam his collection of stamps when she left for college. At that
pychu [463]

Answer: $70 per year.

Step-by-step explanation:

Let's say that x is the number of years that has passed and y is how much the stamp is worth.

So we know that in zero years the stamp was worth $420 because that is the time Sheri gave her brother Sam the stamp. That could bring up the coordinates  (0,420) .

Now we know that in 8 years it was worth $980 and that could be the coordinates (8,980)

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The rate of change is 70 which means that it grew by $70 every year.

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3 years ago
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