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Murrr4er [49]
4 years ago
9

If 5 pizza cost 60$ how much would 15 pizzas cost

Mathematics
2 answers:
igomit [66]4 years ago
6 0
15 pizzas would cost $180.
LiRa [457]4 years ago
6 0

Answer:$180

Step-by-step explanation: 15 divided by 5= 3x60=$180

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Rani ate 2/7 of the cake while her brother ate 4/5 part of the remaining. part of the cake left is?​
Anna71 [15]

Answer:

Nothing left

Step-by-step explanation:

Nothing left

2/7+4/5=38/35

1 3/35

4 0
3 years ago
Read 2 more answers
A solid metal cube of side 1-2 cm has a mass of 15 grams.
sashaice [31]

Answer:

The mass of the second cube is about 1085.07 grams.

Step-by-step explanation:

I assume '1-2 cm' means 1.2cm here. Correct me if I am wrong and I'll edit my answer.

First, find the density of this cube:

d=\frac{m}{v}

where d is density, m is mass, and v is volume.

We have one of those, but we also need volume. The volume of a cube is just:

v=a^3

where a is the length of a side.

\rightarrow v=1.2^3\\\rightarrow v=1.728

The volume of this cube is 1.728cm³. Now, you can find the density;

\rightarrow d=\frac{15}{1.728}\\\rightarrow d\approx8.6806

The density of this material is about 8.68 grams per cubic centimeter.

Finally, you can use that density to find the mass of the other cube. Fin the volume of the second cube:

\rightarrow v=5^3\\\rightarrow v=125

The volume is 125cm³. Given the density and the volume, you can calculate the mass:

\rightarrow d=\frac{m}{v}\\\rightarrow 8.6806=\frac{m}{125}\\\rightarrow 8.6806\times125=m\\\rightarrow m=1085.0694

The mass of the second cube is about 1085.07 grams.

4 0
3 years ago
How do you find a missing side of a triangle using SOH CAH TOA
katrin2010 [14]

Answer:

See explanation and attachment

Step-by-step explanation:

SOH CAH TOA is a mnemonic.

SOH means \sin \theta=\frac{Opposite}{Hypotenuse}

CAH means \cos \theta =\frac{Opposite}{Hypotenuse}

TOA means \tan \theta=\frac{Opposite}{Adjacent}

Given an angle and a side of a right angle triangle, you can use the appropriate ratio to find the missing side.

For instance, find x in the diagram in the attachment.

In this case the best ratio to use is TOA.

\tan 60\degree=\frac{\sqrt{3} }{x}

\implies x=\frac{\sqrt{3} }{\tan 60}

x=\frac{\sqrt{3} }{\sqrt{3} } =1

All the other ratio also follow the same pattern

NB: Your calculator in degree should give  \tan 60\degree=\sqrt{3}

3 0
3 years ago
Your velocity is 13 feet per second. Are you moving up or down
Rudiy27

Answer:up

Step-by-step explanation:...

8 0
3 years ago
Read 2 more answers
Start to finish must use all boxes, cant go diagonally
aleksandr82 [10.1K]

start at the top and go down one then go to the right and the vice verse

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l______________________________l

l______________________________l

end____________________________l

8 0
3 years ago
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