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2 years ago

Would be great if someone can help with this.

Mathematics

1 answer:

Neporo4naja [7]2 years ago

8 0

Answer:

144

Step-by-step explanation:

In a regular decagon like the one shown in the picture each angle is 144 degrees and it all adds up to 1,440. If you want proof search up "angle of a decagon"

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how do i find the volume of a triangular prism that has a 10m width a 4m base and a 8m hight don't worry about the T

Alecsey [184]

The volume of a triangular prism is equal to :
area of the base x height

the area of the base :
$10 \times 4 \div 2 = 40 \div 2 = 20$

so the volume is
$20 \times 8 = 160$

the answer is 160m^3

good luck

3 0

3 years ago

Esther's company has been contracted to lay carpet in a room at a new observatory. The floor plan for the room is in the shape o

timofeeve [1]

Answer:

3960 ft²

Step-by-step explanation:

The pentagon has been split into 5 congruent triangles.

Each triangle has area of:

1/2*48* $\sqrt{40.8^2 - (48/2)^2}$ = 24* $\sqrt{1088.64}$ = 24*33 = 792 ft²

The area of the room is:

792*5 = 3960 ft²

5 0

2 years ago

How much is nine times eight ?

liubo4ka [24]

8 x 9 = 72

So 72 is your answer

3 0

2 years ago

Im not really sure ugh

tekilochka [14]

Answer:

I am not sure either

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 5 hours, while the outlet pipe can empty it

Rashid [163]

Answer:

$time=40/3hours\approx 13.3hours$

Step-by-step explanation:

The rates are additive: you can calculate the inlet rate and the outlet rate and add them algebraically, i.e. the inlet rate will be positive and the outlet rate will be negative.

1. Inlet rate:

$1vat/5hours$