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Romashka [77]
3 years ago
7

PLEASE HELP 11 points

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

12.56

Step-by-step explanation:

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The volume of a triangular prism is 20 cubic mm. If the dimensions were doubled, what would the new
anygoal [31]

Answer:

The new volume will be 160 mm^3

Step-by-step explanation:

The volume of a triangular prism can be calculated by multiplying the area of the triangular base by the height.

Let’s say we have the base with dimensions a and b, while the height can be h

The volume can be calculated as

V = 1/2 * a * b * h

Now , to answer this question, we shall be choosing arbitrary lengths for a, b and h. Whatever length we shall be choosing , we should make sure that they must be equal to 20 mm^3.

Let’s say we have a as 2mm , b as 4 mm and H as 5 mm

Plugging these into the equation, we surely have our volume as 20 mm^3

Now let’s double these dimensions. Our new dimensions become , 4mm by 8mm by 10mm

Plugging these new values into the equation, we have;

1/2 * 4 * 8 * 10 = 160 mm^3

Thus, our volume is expected to be increased by a factor of 8

7 0
3 years ago
A field has 25 trees in it . 14 trees are new and the rest are old . How many trees are old ? Write two different equations that
mamaluj [8]

Answer:

An equation would be 24 - 14 = n. Another one you could write would be 14 + n = 24. The answer is 10 for the amount of old trees.

5 0
3 years ago
Select two answer choioces
dexar [7]

Answer:

C or 3rd option

Step-by-step explanation:

1/3 - 2/5

15/15 - 6/15

9/15

B is not correct

2/5 - 1/3

this will be a negative answer

6 0
3 years ago
Four people have lunch at a buffet restaurant, where everyone pays the same price to
Lostsunrise [7]

Answer:

I am pretty sure that $15.50 is the answer

7 0
2 years ago
Read 2 more answers
You invest $350 in an account with an interest rate of 1.2% compounded continuously. How much money would be in the account afte
kozerog [31]
Change 1.2%into decimal you will get 0.012
then multiply 350 by 0.012 you got the answer
then add the 0.012 with the 10 you will get 10.012
at the end round your answer to the whole number
5 0
3 years ago
Read 2 more answers
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