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babymother [125]
3 years ago
5

*

Mathematics
1 answer:
never [62]3 years ago
4 0

Answer:

Answer is in the photo so you have so look in this give wribsite

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A candy bar box is in the shape of a triangular prism. The volume of the box is 1,200 cubic centimeters. A triangular prism is s
Nastasia [14]

The height of the base is 12cm.

The approximate amount of cardboard used to make the candy box is  720 cm².

Given

A candy bar box is in the shape of a triangular prism.

The volume of the box is 1,200 cubic centimeters.

A triangular prism is shown with a base of the triangle labeled 10 cm, sides of the triangles labeled 13 cm, and length of the box equal to 20 cm.

<h3>The volume of the prism;</h3>

The volume of a triangular prism is given by the formula;

\rm Volume=\dfrac{1}{2} \times length \times width \times height

Part A: What is the height of the base?

The height of the base is given by;

\rm Volume=\dfrac{1}{2} \times length \times width \times height\\\\1200=\dfrac{1}{2}\times 20 \times 10 \times Height\\\\Height =\dfrac{1200\times 2}{20 \times 10}\\\\Height =\dfrac{2400}{200}\\\\Height = 12 \ cm

The height of the base is 12cm.

Part B: What is the approximate amount of cardboard used to make the candy box?

The approximate amount of cardboard used to make the candy box is given by;

\rm Area = 2 \times length \times width+ length \times width \\\\Area = 2\times 20 \times 10+ 20\times 10\\\\Area = 520+200 \\\\Area = 720

The approximate amount of cardboard used to make the candy box is  720 cm².

To know more about triangular prism click the link given below.

brainly.com/question/17056191

7 0
3 years ago
Please help me solve this and please also show work so I can understand it BETTER PLEASEEE ITS DUE
ratelena [41]

Answer:

6. 8b²-5b-4

7. -3x²+9x-4

8. 3

9. 6a+15

Step-by-step explanation:

you will subtract/add the numbers with the same variables and exponent.

ex. (number 6) 7b²+ b²= 8b²

5b= 5b 8b²+5b-4

1-5= -4

(plus 5b because it didnt come out to a negative) if you have any questions, say in the comments and ill try my best to help

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Answer:

10!

Step-by-step explanation: because 10,20,30,40 they each go by 10

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